/**
 * DD_belatedPNG: Adds IE6 support: PNG images for CSS background-image and HTML <IMG/>.
 * Author: Drew Diller
 * Email: drew.diller@gmail.com
 * URL: http://www.dillerdesign.com/experiment/DD_belatedPNG/
 * Version: 0.0.8a
 * Licensed under the MIT License: http://dillerdesign.com/experiment/DD_belatedPNG/#license
 *
 * Example usage:
 * DD_belatedPNG.fix('.png_bg'); // argument is a CSS selector
 * DD_belatedPNG.fixPng( someNode ); // argument is an HTMLDomElement
 **/
var DD_belatedPNG = {ns:"DD_belatedPNG",imgSize:{},delay:10,nodesFixed:0,createVmlNameSpace:function() {
    if (document.namespaces && !document.namespaces[this.ns]) {
        document.namespaces.add(this.ns, "urn:schemas-microsoft-com:vml")
    }
},createVmlStyleSheet:function() {
    var b,a;
    b = document.createElement("style");
    b.setAttribute("media", "screen");
    document.documentElement.firstChild.insertBefore(b, document.documentElement.firstChild.firstChild);
    if (b.styleSheet) {
        b = b.styleSheet;
        b.addRule(this.ns + "\\:*", "{behavior:url(#default#VML)}");
        b.addRule(this.ns + "\\:shape", "position:absolute;");
        b.addRule("img." + this.ns + "_sizeFinder", "behavior:none; border:none; position:absolute; z-index:-1; top:-10000px; visibility:hidden;");
        this.screenStyleSheet = b;
        a = document.createElement("style");
        a.setAttribute("media", "print");
        document.documentElement.firstChild.insertBefore(a, document.documentElement.firstChild.firstChild);
        a = a.styleSheet;
        a.addRule(this.ns + "\\:*", "{display: none !important;}");
        a.addRule("img." + this.ns + "_sizeFinder", "{display: none !important;}")
    }
},readPropertyChange:function() {
    var b,c,a;
    b = event.srcElement;
    if (!b.vmlInitiated) {
        return
    }
    if (event.propertyName.search("background") != -1 || event.propertyName.search("border") != -1) {
        DD_belatedPNG.applyVML(b)
    }
    if (event.propertyName == "style.display") {
        c = (b.currentStyle.display == "none") ? "none" : "block";
        for (a in b.vml) {
            if (b.vml.hasOwnProperty(a)) {
                b.vml[a].shape.style.display = c
            }
        }
    }
    if (event.propertyName.search("filter") != -1) {
        DD_belatedPNG.vmlOpacity(b)
    }
},vmlOpacity:function(b) {
    if (b.currentStyle.filter.search("lpha") != -1) {
        var a = b.currentStyle.filter;
        a = parseInt(a.substring(a.lastIndexOf("=") + 1, a.lastIndexOf(")")), 10) / 100;
        b.vml.color.shape.style.filter = b.currentStyle.filter;
        b.vml.image.fill.opacity = a
    }
},handlePseudoHover:function(a) {
    setTimeout(function() {
        DD_belatedPNG.applyVML(a)
    }, 1)
},fix:function(a) {
    if (this.screenStyleSheet) {
        var c,b;
        c = a.split(",");
        for (b = 0; b < c.length; b++) {
            this.screenStyleSheet.addRule(c[b], "behavior:expression(DD_belatedPNG.fixPng(this))")
        }
    }
},applyVML:function(a) {
    a.runtimeStyle.cssText = "";
    this.vmlFill(a);
    this.vmlOffsets(a);
    this.vmlOpacity(a);
    if (a.isImg) {
        this.copyImageBorders(a)
    }
},attachHandlers:function(i) {
    var d,c,g,e,b,f;
    d = this;
    c = {resize:"vmlOffsets",move:"vmlOffsets"};
    if (i.nodeName == "A") {
        e = {mouseleave:"handlePseudoHover",mouseenter:"handlePseudoHover",focus:"handlePseudoHover",blur:"handlePseudoHover"};
        for (b in e) {
            if (e.hasOwnProperty(b)) {
                c[b] = e[b]
            }
        }
    }
    for (f in c) {
        if (c.hasOwnProperty(f)) {
            g = function() {
                d[c[f]](i)
            };
            i.attachEvent("on" + f, g)
        }
    }
    i.attachEvent("onpropertychange", this.readPropertyChange)
},giveLayout:function(a) {
    a.style.zoom = 1;
    if (a.currentStyle.position == "static") {
        a.style.position = "relative"
    }
},copyImageBorders:function(b) {
    var c,a;
    c = {borderStyle:true,borderWidth:true,borderColor:true};
    for (a in c) {
        if (c.hasOwnProperty(a)) {
            b.vml.color.shape.style[a] = b.currentStyle[a]
        }
    }
},vmlFill:function(e) {
    if (!e.currentStyle) {
        return
    } else {
        var d,f,g,b,a,c;
        d = e.currentStyle
    }
    for (b in e.vml) {
        if (e.vml.hasOwnProperty(b)) {
            e.vml[b].shape.style.zIndex = d.zIndex
        }
    }
    e.runtimeStyle.backgroundColor = "";
    e.runtimeStyle.backgroundImage = "";
    f = true;
    if (d.backgroundImage != "none" || e.isImg) {
        if (!e.isImg) {
            e.vmlBg = d.backgroundImage;
            e.vmlBg = e.vmlBg.substr(5, e.vmlBg.lastIndexOf('")') - 5)
        } else {
            e.vmlBg = e.src
        }
        g = this;
        if (!g.imgSize[e.vmlBg]) {
            a = document.createElement("img");
            g.imgSize[e.vmlBg] = a;
            a.className = g.ns + "_sizeFinder";
            a.runtimeStyle.cssText = "behavior:none; position:absolute; left:-10000px; top:-10000px; border:none; margin:0; padding:0;";
            c = function() {
                this.width = this.offsetWidth;
                this.height = this.offsetHeight;
                g.vmlOffsets(e)
            };
            a.attachEvent("onload", c);
            a.src = e.vmlBg;
            a.removeAttribute("width");
            a.removeAttribute("height");
            document.body.insertBefore(a, document.body.firstChild)
        }
        e.vml.image.fill.src = e.vmlBg;
        f = false
    }
    e.vml.image.fill.on = !f;
    e.vml.image.fill.color = "none";
    e.vml.color.shape.style.backgroundColor = d.backgroundColor;
    e.runtimeStyle.backgroundImage = "none";
    e.runtimeStyle.backgroundColor = "transparent"
},vmlOffsets:function(d) {
    var h,n,a,e,g,m,f,l,j,i,k;
    h = d.currentStyle;
    n = {W:d.clientWidth + 1,H:d.clientHeight + 1,w:this.imgSize[d.vmlBg].width,h:this.imgSize[d.vmlBg].height,L:d.offsetLeft,T:d.offsetTop,bLW:d.clientLeft,bTW:d.clientTop};
    a = (n.L + n.bLW == 1) ? 1 : 0;
    e = function(b, p, q, c, s, u) {
        b.coordsize = c + "," + s;
        b.coordorigin = u + "," + u;
        b.path = "m0,0l" + c + ",0l" + c + "," + s + "l0," + s + " xe";
        b.style.width = c + "px";
        b.style.height = s + "px";
        b.style.left = p + "px";
        b.style.top = q + "px"
    };
    e(d.vml.color.shape, (n.L + (d.isImg ? 0 : n.bLW)), (n.T + (d.isImg ? 0 : n.bTW)), (n.W - 1), (n.H - 1), 0);
    e(d.vml.image.shape, (n.L + n.bLW), (n.T + n.bTW), (n.W), (n.H), 1);
    g = {X:0,Y:0};
    if (d.isImg) {
        g.X = parseInt(h.paddingLeft, 10) + 1;
        g.Y = parseInt(h.paddingTop, 10) + 1
    } else {
        for (j in g) {
            if (g.hasOwnProperty(j)) {
                this.figurePercentage(g, n, j, h["backgroundPosition" + j])
            }
        }
    }
    d.vml.image.fill.position = (g.X / n.W) + "," + (g.Y / n.H);
    m = h.backgroundRepeat;
    f = {T:1,R:n.W + a,B:n.H,L:1 + a};
    l = {X:{b1:"L",b2:"R",d:"W"},Y:{b1:"T",b2:"B",d:"H"}};
    if (m != "repeat" || d.isImg) {
        i = {T:(g.Y),R:(g.X + n.w),B:(g.Y + n.h),L:(g.X)};
        if (m.search("repeat-") != -1) {
            k = m.split("repeat-")[1].toUpperCase();
            i[l[k].b1] = 1;
            i[l[k].b2] = n[l[k].d]
        }
        if (i.B > n.H) {
            i.B = n.H
        }
        d.vml.image.shape.style.clip = "rect(" + i.T + "px " + (i.R + a) + "px " + i.B + "px " + (i.L + a) + "px)"
    } else {
        d.vml.image.shape.style.clip = "rect(" + f.T + "px " + f.R + "px " + f.B + "px " + f.L + "px)"
    }
},figurePercentage:function(d, c, f, a) {
    var b,e;
    e = true;
    b = (f == "X");
    switch (a) {case"left":case"top":d[f] = 0;break;case"center":d[f] = 0.5;break;case"right":case"bottom":d[f] = 1;break;default:if (a.search("%") != -1) {
        d[f] = parseInt(a, 10) / 100
    } else {
        e = false
    }
    }
    d[f] = Math.ceil(e ? ((c[b ? "W" : "H"] * d[f]) - (c[b ? "w" : "h"] * d[f])) : parseInt(a, 10));
    if (d[f] % 2 === 0) {
        d[f]++
    }
    return d[f]
},fixPng:function(c) {
    c.style.behavior = "none";
    var g,b,f,a,d;
    if (c.nodeName == "BODY" || c.nodeName == "TD" || c.nodeName == "TR") {
        return
    }
    c.isImg = false;
    if (c.nodeName == "IMG") {
        if (c.src.toLowerCase().search(/\.png$/) != -1) {
            c.isImg = true;
            c.style.visibility = "hidden"
        } else {
            return
        }
    } else {
        if (c.currentStyle.backgroundImage.toLowerCase().search(".png") == -1) {
            return
        }
    }
    g = DD_belatedPNG;
    c.vml = {color:{},image:{}};
    b = {shape:{},fill:{}};
    for (a in c.vml) {
        if (c.vml.hasOwnProperty(a)) {
            for (d in b) {
                if (b.hasOwnProperty(d)) {
                    f = g.ns + ":" + d;
                    c.vml[a][d] = document.createElement(f)
                }
            }
            c.vml[a].shape.stroked = false;
            c.vml[a].shape.appendChild(c.vml[a].fill);
            c.parentNode.insertBefore(c.vml[a].shape, c)
        }
    }
    c.vml.image.shape.fillcolor = "none";
    c.vml.image.fill.type = "tile";
    c.vml.color.fill.on = false;
    g.attachHandlers(c);
    g.giveLayout(c);
    g.giveLayout(c.offsetParent);
    c.vmlInitiated = true;
    g.applyVML(c)
}};
try {
    document.execCommand("BackgroundImageCache", false, true)
} catch(r) {
}
DD_belatedPNG.createVmlNameSpace();
DD_belatedPNG.createVmlStyleSheet();