/**
Browser Detect Script from 
	http://www.quirksmode.org/index.html?/js/detect.html

Copy this script into your JavaScript files. It works immediately, and you can query three properties of the BrowserDetect object:
    * Browser name: BrowserDetect.browser
    * Browser version: BrowserDetect.version
    * OS name: BrowserDetect.OS
*/
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{	// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 	// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

if (!window.Effect) {
	Effect = {};
}

{
	var i, base, src = "dropshadow.js", scripts = document.getElementsByTagName("script");
	for (i=0; i<scripts.length; i++){if (scripts[i].src.match(src)){ base = scripts[i].src.replace(src, "");break;}}
	var l=document.createElement("link");
	l.setAttribute("type","text/css");
	l.setAttribute("rel","stylesheet");
	l.setAttribute("href", base+"dropshadow.css");
	l.setAttribute("media","screen");
	document.getElementsByTagName("head")[0].appendChild(l);
}

Effect.Dropshadow = function(element) {
	element = $(element);
/*	
    var wrap1 = document.createElement("div");
    wrap1.className = "dropshadow-wrap1";
    var wrap2 = document.createElement("div");
    wrap2.className = "dropshadow-wrap2";
    var wrap3 = document.createElement("div");
    wrap3.className = "dropshadow-wrap3";
    var outerNode = element.parentNode;
    outerNode.insertBefore(wrap1, element);
    wrap1.appendChild(wrap2);
    wrap2.appendChild(wrap3);
 */
	var wrap1 = document.createElement("div");
	if(/Explorer/.test(BrowserDetect.browser) && BrowserDetect.version < 7)  
		wrap1.className = 'dropshadow-gif-wrap1';
	else
		wrap1.className = 'dropshadow-png-wrap1';
    var wrap2 = document.createElement("div");
    wrap2.style.position = 'relative';
    wrap2.style.top = '-5px';
    wrap2.style.left = '-5px';
    
    var outerNode = element.parentNode;
    outerNode.insertBefore(wrap1, element);
    outerNode.removeChild(element);
    wrap1.appendChild(wrap2);
    wrap2.appendChild(element);
//  wrap3.appendChild(element);
     
    element._shadow = wrap1;
    wrap1._original = element;
    return wrap1;
}