/**
 * 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();