/****************************************************************
*                                                              *
*  curvyCorners                                                *
*  ------------                                                *
*                                                              *
*  This script generates rounded corners for your divs.        *
*                                                              *
*  Version 1.2.9                                               *
*  Copyright (c) 2006 Cameron Cooke                            *
*  By: Cameron Cooke and Tim Hutchison.                        *
*                                                              *
*                                                              *
*  Website: http://www.curvycorners.net                        *
*  Email:   info@totalinfinity.com                             *
*  Forum:   http://www.curvycorners.net/forum/                 *
*                                                              *
*                                                              *
*  This library is free software; you can redistribute         *
*  it and/or modify it under the terms of the GNU              *
*  Lesser General Public License as published by the           *
*  Free Software Foundation; either version 2.1 of the         *
*  License, or (at your option) any later version.             *
*                                                              *
*  This library is distributed in the hope that it will        *
*  be useful, but WITHOUT ANY WARRANTY; without even the       *
*  implied warranty of MERCHANTABILITY or FITNESS FOR A        *
*  PARTICULAR PURPOSE. See the GNU Lesser General Public       *
*  License for more details.                                   *
*                                                              *
*  You should have received a copy of the GNU Lesser           *
*  General Public License along with this library;             *
*  Inc., 59 Temple Place, Suite 330, Boston,                   *
*  MA 02111-1307 USA                                           *
*                                                              *
****************************************************************/

var isIE = navigator.userAgent.toLowerCase().indexOf("msie") > -1;
var isMoz = document.implementation && document.implementation.createDocument;
var isSafari = ((navigator.userAgent.toLowerCase().indexOf('safari') != -1) && (navigator.userAgent.toLowerCase().indexOf('mac') != -1)) ? true : false;

function curvyCorners() {
    if (typeof (arguments[0]) != "object") throw newCurvyError("First parameter of curvyCorners() must be an object.");
    if (typeof (arguments[1]) != "object" && typeof (arguments[1]) != "string") throw newCurvyError("Second parameter of curvyCorners() must be an object or a class name.");
    if (typeof (arguments[1]) == "string") {
        var startIndex = 0;
        var boxCol = getElementsByClass(arguments[1]);
    }
    else {
        var startIndex = 1;
        var boxCol = arguments;
    }
    var curvyCornersCol = new Array();
    if (arguments[0].validTags) var validElements = arguments[0].validTags;
    else var validElements = ["div"];
    for (var i = startIndex, j = boxCol.length; i < j; i++) {
        var currentTag = boxCol[i].tagName.toLowerCase();
        if (inArray(validElements, currentTag) !== false) {
            curvyCornersCol[curvyCornersCol.length] = new curvyObject(arguments[0], boxCol[i]);
        }
    }
    this.objects = curvyCornersCol;
    this.applyCornersToAll = function() {
        for (var x = 0, k = this.objects.length; x < k; x++) {
            this.objects[x].applyCorners();
        }
    }
}

function curvyObject() {
    this.box = arguments[1];
    this.settings = arguments[0];
    this.topContainer = null;
    this.bottomContainer = null;
    this.masterCorners = new Array();
    this.contentDIV = null;
    var boxHeight = get_style(this.box, "height", "height");
    var boxWidth = get_style(this.box, "width", "width");
    var borderWidth = get_style(this.box, "borderTopWidth", "border-top-width");
    var borderColour = get_style(this.box, "borderTopColor", "border-top-color");
    var boxColour = get_style(this.box, "backgroundColor", "background-color");
    var backgroundImage = get_style(this.box, "backgroundImage", "background-image");
    var boxPosition = get_style(this.box, "position", "position");
    var boxPadding = get_style(this.box, "paddingTop", "padding-top");
    this.boxHeight = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1) ? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight));
    this.boxWidth = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1) ? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth));
    this.borderWidth = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1) ? borderWidth.slice(0, borderWidth.indexOf("px")) : 0));
    this.boxColour = format_colour(boxColour);
    this.boxPadding = parseInt(((boxPadding != "" && boxPadding.indexOf("px") !== -1) ? boxPadding.slice(0, boxPadding.indexOf("px")) : 0));
    this.borderColour = format_colour(borderColour);
    this.borderString = this.borderWidth + "px" + " solid " + this.borderColour;
    this.backgroundImage = ((backgroundImage != "none") ? backgroundImage : "");
    this.boxContent = this.box.innerHTML;
    if (boxPosition != "absolute") this.box.style.position = "relative";
    this.box.style.padding = "0px";
    if (isIE && boxWidth == "auto" && boxHeight == "auto") this.box.style.width = "100%";
    if (this.settings.autoPad == true && this.boxPadding > 0) this.box.innerHTML = "";
    this.applyCorners = function() {
        for (var t = 0; t < 2; t++) {
            switch (t) {
                case 0:
                    if (this.settings.tl || this.settings.tr) {
                        var newMainContainer = document.createElement("DIV");
                        newMainContainer.style.width = "100%";
                        newMainContainer.style.fontSize = "1px";
                        newMainContainer.style.overflow = "hidden";
                        newMainContainer.style.position = "absolute";
                        newMainContainer.style.paddingLeft = this.borderWidth + "px";
                        newMainContainer.style.paddingRight = this.borderWidth + "px";
                        newMainContainer.style.backgroundColor = this.topBackgroundColor;
                        var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0);
                        newMainContainer.style.height = topMaxRadius + "px";
                        newMainContainer.style.top = 0 - topMaxRadius + "px";
                        newMainContainer.style.left = 0 - this.borderWidth + "px";
                        this.topContainer = this.box.appendChild(newMainContainer);
                    }
                    break;
                case 1:
                    if (this.settings.bl || this.settings.br) {
                        var newMainContainer = document.createElement("DIV");
                        newMainContainer.style.width = "100%";
                        newMainContainer.style.fontSize = "1px";
                        newMainContainer.style.overflow = "hidden";
                        newMainContainer.style.position = "absolute";
                        newMainContainer.style.paddingLeft = this.borderWidth + "px";
                        newMainContainer.style.paddingRight = this.borderWidth + "px";
                        newMainContainer.style.backgroundColor = this.bottomBackgroundColor;
                        var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0);
                        newMainContainer.style.height = botMaxRadius + "px";
                        newMainContainer.style.bottom = 0 - botMaxRadius + "px";
                        newMainContainer.style.left = 0 - this.borderWidth + "px";
                        this.bottomContainer = this.box.appendChild(newMainContainer);
                    }
                    break;
            }
        }
        if (this.topContainer) this.box.style.borderTopWidth = "0px";
        if (this.bottomContainer) this.box.style.borderBottomWidth = "0px";
        var corners = ["tr", "tl", "br", "bl"];
        for (var i in corners) {
            if (i > -1 < 4) {
                var cc = corners[i];
                if (!this.settings[cc]) {
                    if (((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null)) {
                        var newCorner = document.createElement("DIV");
                        newCorner.style.position = "relative";
                        newCorner.style.fontSize = "1px";
                        newCorner.style.overflow = "hidden";
                       if (this.backgroundImage == "") newCorner.style.backgroundColor = this.boxColour;
                        else newCorner.style.backgroundImage = this.backgroundImage;
                        switch (cc) {
                            case "tl":
                                newCorner.style.height = topMaxRadius - this.borderWidth + "px";
                                newCorner.style.backgroundColor = this.settings.topBackgroundColor;
                                newCorner.style.marginRight = this.settings.tr.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderLeft = this.borderString;
                                newCorner.style.borderTop = this.borderString;
                                newCorner.style.left = -this.borderWidth + "px";
                                break;
                            case "tr":
                                newCorner.style.height = topMaxRadius - this.borderWidth + "px";
                                newCorner.style.backgroundColor = this.settings.topBackgroundColor;
                                newCorner.style.marginLeft = this.settings.tl.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderRight = this.borderString;
                                newCorner.style.borderTop = this.borderString;
                                newCorner.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px";
                                newCorner.style.left = this.borderWidth + "px";
                                break;
                            case "bl":
                                newCorner.style.height = botMaxRadius - this.borderWidth + "px";
                                newCorner.style.backgroundColor = this.settings.bottomBackgroundColor;
                                newCorner.style.marginRight = this.settings.br.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderLeft = this.borderString;
                                newCorner.style.borderBottom = this.borderString;
                                newCorner.style.left = -this.borderWidth + "px";
                                newCorner.style.backgroundPosition = "-" + (this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px";
                                break;
                            case "br":
                                newCorner.style.height = botMaxRadius - this.borderWidth + "px";
                                newCorner.style.backgroundColor = this.settings.bottomBackgroundColor;
                                newCorner.style.marginLeft = this.settings.bl.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderRight = this.borderString;
                                newCorner.style.borderBottom = this.borderString;
                                newCorner.style.left = this.borderWidth + "px"
                                newCorner.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px";
                                break;
                        }
                    }
                }
                else {
                    /*if (this.masterCorners[this.settings[cc].radius]) {
                        var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);
                    }
                    else { */
                        var newCorner = document.createElement("DIV");
                        newCorner.style.height = this.settings[cc].radius + "px";
                        newCorner.style.width = this.settings[cc].radius + "px";
                        newCorner.style.position = "absolute";
                        newCorner.style.fontSize = "1px";
                        newCorner.style.overflow = "hidden";
                        var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth);
                        for (var intx = 0, j = this.settings[cc].radius; intx < j; intx++) {
                            if ((intx + 1) >= borderRadius) var y1 = -1;
                            else var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx + 1), 2))) - 1);
                            if (borderRadius != j) {
                                if ((intx) >= borderRadius) var y2 = -1;
                                else var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow(intx, 2)));
                                if ((intx + 1) >= j) var y3 = -1;
                                else var y3 = (Math.floor(Math.sqrt(Math.pow(j, 2) - Math.pow((intx + 1), 2))) - 1);
                            }
                            if ((intx) >= j) var y4 = -1;
                            else var y4 = Math.ceil(Math.sqrt(Math.pow(j, 2) - Math.pow(intx, 2)));
                            if (y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1 + 1), newCorner, -1, this.settings[cc].radius, cc, 'test');
                            if (borderRadius != j) {
                                for (var inty = (y1 + 1); inty < y2; inty++) {
                                    if (this.settings.antiAlias) {
                                        if (this.backgroundImage != "") {
                                            var borderFract = (pixelFraction(intx, inty, borderRadius) * 100);
                                            if (borderFract < 30) {
                                                this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius, cc);
                                            }
                                            else {
                                                this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius, cc);
                                            }
                                        }
                                        else {
                                            var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius));
                                            this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, cc, 'test');
                                        }
                                    }
                                }
                                if (this.settings.antiAlias) {
                                    if (y3 >= y2) {
                                        if (y2 == -1) y2 = 0;
                                        this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0, cc);
                                    }
                                }
                                else {
                                    if (y3 >= y1) {
                                        this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0, cc);
                                    }
                                }
                                var outsideColour = this.borderColour;
                            }
                            else {
                                var outsideColour = this.boxColour;
                                var y3 = y1;
                            }
                            if (this.settings.antiAlias) {
                                for (var inty = (y3 + 1); inty < y4; inty++) {
                                   this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty, j) * 100), 1, newCorner, ((this.borderWidth > 0) ? 0 : -1), this.settings[cc].radius, cc);
                                }
                            }
                        //}
                        //this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);
                    }
                    if (cc != "br") {
                        for (var t = 0, k = newCorner.childNodes.length; t < k; t++) {
                            var pixelBar = newCorner.childNodes[t];
                            var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px")));
                            var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px")));
                            var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px")));
                            if (cc == "tl" || cc == "bl") {
                                pixelBar.style.left = this.settings[cc].radius - pixelBarLeft - 1 + "px";
                            }
                            if (cc == "tr" || cc == "tl") {
                                pixelBar.style.top = this.settings[cc].radius - pixelBarHeight - pixelBarTop + "px";
                            }
                            switch (cc) {
                                case "tr":
                                    pixelBar.style.backgroundPosition = "-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius - pixelBarHeight - pixelBarTop - this.borderWidth) + "px";
                                    break;
                                case "tl":
                                    pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius - pixelBarLeft - 1) - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius - pixelBarHeight - pixelBarTop - this.borderWidth) + "px";
                                    break;
                                case "bl":
                                    pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius - pixelBarLeft - 1) - this.borderWidth) + "px -" + Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) - this.borderWidth) + "px";
                                    break;
                            }
                        }
                    }
                }
                if (newCorner) {
                    switch (cc) {
                        case "tl":
                            if (newCorner.style.position == "absolute") newCorner.style.top = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.left = "0px";
                            if (this.topContainer) this.topContainer.appendChild(newCorner);
                            break;
                        case "tr":
                            if (newCorner.style.position == "absolute") newCorner.style.top = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.right = "0px";
                            if (this.topContainer) this.topContainer.appendChild(newCorner);
                            break;
                        case "bl":
                            if (newCorner.style.position == "absolute") newCorner.style.bottom = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.left = "0px";
                            if (this.bottomContainer) this.bottomContainer.appendChild(newCorner);
                            break;
                        case "br":
                            if (newCorner.style.position == "absolute") newCorner.style.bottom = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.right = "0px";
                            if (this.bottomContainer) this.bottomContainer.appendChild(newCorner);
                            break;
                    }
                }
            }
        }
        var radiusDiff = new Array();
        radiusDiff["t"] = Math.abs(this.settings.tl.radius - this.settings.tr.radius)
        radiusDiff["b"] = Math.abs(this.settings.bl.radius - this.settings.br.radius);
        for (z in radiusDiff) {
            if (z == "t" || z == "b") {
                if (radiusDiff[z]) {
                    var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius) ? z + "l" : z + "r");
                    var newFiller = document.createElement("DIV");
                    newFiller.style.height = radiusDiff[z] + "px";
                    newFiller.style.width = this.settings[smallerCornerType].radius + "px"
                    newFiller.style.position = "absolute";
                    newFiller.style.fontSize = "1px";
                    newFiller.style.overflow = "hidden";
                    newFiller.style.backgroundColor = this.boxColour;
                    switch (smallerCornerType) {
                        case "tl":
                            newFiller.style.bottom = "0px";
                            newFiller.style.left = "0px";
                            newFiller.style.borderLeft = this.borderString;
                            this.topContainer.appendChild(newFiller);
                            break;
                        case "tr":
                            newFiller.style.bottom = "0px";
                            newFiller.style.right = "0px";
                            newFiller.style.borderRight = this.borderString;
                            this.topContainer.appendChild(newFiller);
                            break;
                        case "bl":
                            newFiller.style.top = "0px";
                            newFiller.style.left = "0px";
                            newFiller.style.borderLeft = this.borderString;
                            this.bottomContainer.appendChild(newFiller);
                            break;
                        case "br":
                            newFiller.style.top = "0px";
                            newFiller.style.right = "0px";
                            newFiller.style.borderRight = this.borderString;
                            this.bottomContainer.appendChild(newFiller);
                            break;
                    }
                }
                var newFillerBar = document.createElement("DIV");
                newFillerBar.style.position = "relative";
                newFillerBar.style.fontSize = "1px";
                newFillerBar.style.overflow = "hidden";
                newFillerBar.style.backgroundColor = this.boxColour;
                newFillerBar.style.backgroundImage = this.backgroundImage;
                switch (z) {
                    case "t":
                        if (this.topContainer) {
                            if (this.settings.tl.radius && this.settings.tr.radius) {
                                newFillerBar.style.height = topMaxRadius - this.borderWidth + "px";
                                //aggiunta gestione background
                                newFillerBar.style.backgroundColor = this.settings.topBackgroundColor;
                                newFillerBar.style.marginLeft = this.settings.tl.radius - this.borderWidth + "px";
                                newFillerBar.style.marginRight = this.settings.tr.radius - this.borderWidth + "px";
                                newFillerBar.style.borderTop = this.borderString;
                                if (this.backgroundImage != "") newFillerBar.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px";
                                this.topContainer.appendChild(newFillerBar);
                            }
                            this.box.style.backgroundPosition = "0px -" + (topMaxRadius - this.borderWidth) + "px";
                        }
                        break;
                    case "b":
                        if (this.bottomContainer) {
                            if (this.settings.bl.radius && this.settings.br.radius) {
                                newFillerBar.style.height = botMaxRadius - this.borderWidth + "px";
                                //aggiunta gestione background
                                newFillerBar.style.backgroundColor = this.settings.bottomBackgroundColor;
                                newFillerBar.style.marginLeft = this.settings.bl.radius - this.borderWidth + "px";
                                newFillerBar.style.marginRight = this.settings.br.radius - this.borderWidth + "px";
                                newFillerBar.style.borderBottom = this.borderString;
                                if (this.backgroundImage != "") newFillerBar.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (topMaxRadius + this.borderWidth)) + "px";
                                this.bottomContainer.appendChild(newFillerBar);
                            }
                        }
                        break;
                }
            }
        }
        if (this.settings.autoPad == true && this.boxPadding > 0) {
            var contentContainer = document.createElement("DIV");
            contentContainer.style.position = "relative";
            contentContainer.innerHTML = this.boxContent;
            contentContainer.className = "autoPadDiv";
            var topPadding = Math.abs(topMaxRadius - this.boxPadding);
            var botPadding = Math.abs(botMaxRadius - this.boxPadding);
            if (topMaxRadius < this.boxPadding) contentContainer.style.paddingTop = topPadding + "px";
            if (botMaxRadius < this.boxPadding) contentContainer.style.paddingBottom = botMaxRadius + "px";
            contentContainer.style.paddingLeft = this.boxPadding + "px";
            contentContainer.style.paddingRight = this.boxPadding + "px";
            this.contentDIV = this.box.appendChild(contentContainer);
        }
    }
    this.drawPixel = function(intx, inty, colour, transAmount, height, newCorner, image, cornerRadius, cc, borderOrBackground) {
        var pixel = document.createElement("DIV");
        pixel.style.height = height + "px";
        pixel.style.width = "1px";
        pixel.style.position = "absolute";
        pixel.style.fontSize = "1px";
        pixel.style.overflow = "hidden";
        var topMaxRadius = Math.max(this.settings["tr"].radius, this.settings["tl"].radius);
        if (image == -1 && this.backgroundImage != "") {
            pixel.style.backgroundImage = this.backgroundImage;
            pixel.style.backgroundPosition = "-" + (this.boxWidth - (cornerRadius - intx) + this.borderWidth) + "px -" + ((this.boxHeight + topMaxRadius + inty) - this.borderWidth) + "px";
        }
        else {
            if (borderOrBackground == 'test') {
                if ((cc == 'tr') || (cc == 'tl'))
                    pixel.style.backgroundColor = this.settings.topBackgroundColor;
                if ((cc == 'br') || (cc == 'bl'))
                    pixel.style.backgroundColor = this.settings.bottomBackgroundColor;
            }
            else
                pixel.style.backgroundColor = colour;
        }
        if (transAmount != 100) setOpacity(pixel, transAmount);
        pixel.style.top = inty + "px";
        pixel.style.left = intx + "px";
        newCorner.appendChild(pixel);
    }
}

function insertAfter(parent, node, referenceNode) {
    parent.insertBefore(node, referenceNode.nextSibling);
}

function BlendColour(Col1, Col2, Col1Fraction) {
    var red1 = parseInt(Col1.substr(1, 2), 16);
    var green1 = parseInt(Col1.substr(3, 2), 16);
    var blue1 = parseInt(Col1.substr(5, 2), 16);
    var red2 = parseInt(Col2.substr(1, 2), 16);
    var green2 = parseInt(Col2.substr(3, 2), 16);
    var blue2 = parseInt(Col2.substr(5, 2), 16);
    if (Col1Fraction > 1 || Col1Fraction < 0) Col1Fraction = 1;
    var endRed = Math.round((red1 * Col1Fraction) + (red2 * (1 - Col1Fraction)));
    if (endRed > 255) endRed = 255;
    if (endRed < 0) endRed = 0;
    var endGreen = Math.round((green1 * Col1Fraction) + (green2 * (1 - Col1Fraction)));
    if (endGreen > 255) endGreen = 255;
    if (endGreen < 0) endGreen = 0;
    var endBlue = Math.round((blue1 * Col1Fraction) + (blue2 * (1 - Col1Fraction)));
    if (endBlue > 255) endBlue = 255;
    if (endBlue < 0) endBlue = 0;
    return "#" + IntToHex(endRed) + IntToHex(endGreen) + IntToHex(endBlue);
}

function IntToHex(strNum) {
    base = strNum / 16;
    rem = strNum % 16;
    base = base - (rem / 16);
    baseS = MakeHex(base);
    remS = MakeHex(rem);
    return baseS + '' + remS;
}

function MakeHex(x) {
    if ((x >= 0) && (x <= 9)) {
        return x;
    }
    else {
        switch (x) {
            case 10:
                return "A";
            case 11:
                return "B";
            case 12:
                return "C";
            case 13:
                return "D";
            case 14:
                return "E";
            case 15:
                return "F";
        }
    }
}

function pixelFraction(x, y, r) {
    var pixelfraction = 0;
    var xvalues = new Array(1);
    var yvalues = new Array(1);
    var point = 0;
    var whatsides = "";
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(x, 2)));
    if ((intersect >= y) && (intersect < (y + 1))) {
        whatsides = "Left";
        xvalues[point] = 0;
        yvalues[point] = intersect - y;
        point = point + 1;
    }
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(y + 1, 2)));
    if ((intersect >= x) && (intersect < (x + 1))) {
        whatsides = whatsides + "Top";
        xvalues[point] = intersect - x;
        yvalues[point] = 1;
        point = point + 1;
    }
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(x + 1, 2)));
    if ((intersect >= y) && (intersect < (y + 1))) {
        whatsides = whatsides + "Right";
        xvalues[point] = 1;
        yvalues[point] = intersect - y;
        point = point + 1;
    }
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(y, 2)));
    if ((intersect >= x) && (intersect < (x + 1))) {
        whatsides = whatsides + "Bottom";
        xvalues[point] = intersect - x;
        yvalues[point] = 0;
    }
    switch (whatsides) {
        case "LeftRight":
            pixelfraction = Math.min(yvalues[0], yvalues[1]) + ((Math.max(yvalues[0], yvalues[1]) - Math.min(yvalues[0], yvalues[1])) / 2);
            break;
        case "TopRight":
            pixelfraction = 1 - (((1 - xvalues[0]) * (1 - yvalues[1])) / 2);
            break;
        case "TopBottom":
            pixelfraction = Math.min(xvalues[0], xvalues[1]) + ((Math.max(xvalues[0], xvalues[1]) - Math.min(xvalues[0], xvalues[1])) / 2);
            break;
        case "LeftBottom":
            pixelfraction = (yvalues[0] * xvalues[1]) / 2;
            break;
        default:
            pixelfraction = 1;
    }
    return pixelfraction;
}

function rgb2Hex(rgbColour) {
    try {
        var rgbArray = rgb2Array(rgbColour);
        var red = parseInt(rgbArray[0]);
        var green = parseInt(rgbArray[1]);
        var blue = parseInt(rgbArray[2]);
        var hexColour = "#" + IntToHex(red) + IntToHex(green) + IntToHex(blue);
    }
    catch (e) {
        alert("There was an error converting the RGB value to Hexadecimal in function rgb2Hex");
    }
    return hexColour;
}

function rgb2Array(rgbColour) {
    var rgbValues = rgbColour.substring(4, rgbColour.indexOf(")"));
    var rgbArray = rgbValues.split(", ");
    return rgbArray;
}

function setOpacity(obj, opacity) {
    opacity = (opacity == 100) ? 99.999 : opacity;
    if (isSafari && obj.tagName != "IFRAME") {
        var rgbArray = rgb2Array(obj.style.backgroundColor);
        var red = parseInt(rgbArray[0]);
        var green = parseInt(rgbArray[1]);
        var blue = parseInt(rgbArray[2]);
        obj.style.backgroundColor = "rgba(" + red + ", " + green + ", " + blue + ", " + opacity / 100 + ")";
    }
    else if (typeof (obj.style.opacity) != "undefined") {
        obj.style.opacity = opacity / 100;
    }
    else if (typeof (obj.style.MozOpacity) != "undefined") {
        obj.style.MozOpacity = opacity / 100;
    }
    else if (typeof (obj.style.filter) != "undefined") {
        obj.style.filter = "alpha(opacity:" + opacity + ")";
    }
    else if (typeof (obj.style.KHTMLOpacity) != "undefined") {
        obj.style.KHTMLOpacity = opacity / 100;
    }
}

function inArray(array, value) {
    for (var i = 0; i < array.length; i++) {
        if (array[i] === value) return i;
    }
    return false;
}

function inArrayKey(array, value) {
    for (key in array) {
        if (key === value) return true;
    }
    return false;
}

function addEvent(elm, evType, fn, useCapture) {
    if (elm.addEventListener) {
        elm.addEventListener(evType, fn, useCapture);
        return true;
    }
    else if (elm.attachEvent) {
        var r = elm.attachEvent('on' + evType, fn);
        return r;
    }
    else {
        elm['on' + evType] = fn;
    }
}

function removeEvent(obj, evType, fn, useCapture) {
    if (obj.removeEventListener) {
        obj.removeEventListener(evType, fn, useCapture);
        return true;
    } else if (obj.detachEvent) {
        var r = obj.detachEvent("on" + evType, fn);
        return r;
    } else {
        alert("Handler could not be removed");
    }
}

function format_colour(colour) {
    var returnColour = "#ffffff";
    if (colour != "" && colour != "transparent") {
        if (colour.substr(0, 3) == "rgb") {
            returnColour = rgb2Hex(colour);
        }
        else if (colour.length == 4) {
            returnColour = "#" + colour.substring(1, 2) + colour.substring(1, 2) + colour.substring(2, 3) + colour.substring(2, 3) + colour.substring(3, 4) + colour.substring(3, 4);
        }
        else {
            returnColour = colour;
        }
    }
    return returnColour;
}

function get_style(obj, property, propertyNS) {
    try {
        if (obj.currentStyle) {
            var returnVal = eval("obj.currentStyle." + property);
        }
        else {
            if (isSafari && obj.style.display == "none") {
                obj.style.display = "";
                var wasHidden = true;
            }
            var returnVal = document.defaultView.getComputedStyle(obj, '').getPropertyValue(propertyNS);
            if (isSafari && wasHidden) {
                obj.style.display = "none";
            }
        }
    }
    catch (e) { }
    return returnVal;
}

function getElementsByClass(searchClass, node, tag) {
    var classElements = new Array();
    if (node == null) node = document;
    if (tag == null) tag = '*';
    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\s)" + searchClass + "(\s|$)");
    for (i = 0, j = 0; i < elsLen; i++) {
        if (pattern.test(els[i].className)) {
            classElements[j] = els[i];
            j++;
        }
    }
    return classElements;
}

function newCurvyError(errorMessage) {
    return new Error("curvyCorners Error:\n" + errorMessage)
}