// JavaScript Document
/*
*
* @author 	francois jacquier (fjacquier [at] free [dot] fr)
* @date 	May, 13, 2007
*
*/
function addObjEvent (obj, evt, func)
{
	var oldhandler = obj[evt];
	if(typeof obj[evt] != 'function') {obj[evt] = func;}
	else{obj[evt] = function () {oldhandler();func();}}
}
// function for rollover on all main navigation items
function prepareNav ()
{
	var nav = document.getElementById ("navigation");
	var links = nav.getElementsByTagName ("a");
	for(var i=0; i<links.length; i++)
	{
		var img = links[i].childNodes[0];
		var src = img.getAttribute("src");
		links[i].onmouseover = function ()
		{
			this.im = this.childNodes[0].src;
			var im1 = this.im.split(".");
			this.childNodes[0].src = im1[0]+"."+im1[1]+"."+im1[2]+"2."+im1[3];
			this.loaded = true;
		}
		links[i].onmouseout = function ()
		{
			if (this.loaded == true) {
				this.childNodes[0].src = this.im;
				this.loaded = false;
			}
			//alert(this.childNodes[0].src);
		}
	};
	
	//footer
	/*
	var nav = document.getElementById ("footer");
	var links = nav.getElementsByTagName ("a");
	for(var i=0; i<links.length; i++)
	{
		var img = links[i].childNodes[0];
		var src = img.getAttribute("src");
		links[i].onmouseover = function ()
		{
			this.im = this.childNodes[0].getAttribute("src");
			var im1 = this.im.split(".");
			this.childNodes[0].src = im1[0]+"2."+im1[1];
		}
		links[i].onmouseout = function ()
		{
			this.childNodes[0].src = this.im;
			//alert(this.childNodes[0].src);
		}
	};*/
}

function insertAfter(newElement,targetElement)
{
	var parentElement = targetElement.parentNode;
	if(parentElement.lastChild == targetElement){return parentElement.appendChild(newElement);}
	else{return parentElement.insertBefore(newElement,targetElement.nextSibling);}
}

addObjEvent (window, 'onload', prepareNav)

/* png fix for IE 6 and 5.5*/
function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
{
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	
	if ((version >= 5.5) && (document.body.filters)) 
	{
		//alert('IE');
	   for(var i=0; i<document.images.length; i++)
	   {
		  var img = document.images[i]
		  var imgName = img.src.toUpperCase()
		  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
		  {
			 var imgID = (img.id) ? "id='" + img.id + "' " : ""
			 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
			 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
			 var imgStyle = "display:inline-block;" + img.style.cssText 
			 if (img.align == "left") imgStyle = "float:left;" + imgStyle
			 if (img.align == "right") imgStyle = "float:right;" + imgStyle
			 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
			 var strNewHTML = "<span " + imgID + imgClass + imgTitle
			 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
			 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
			 img.outerHTML = strNewHTML
			 i = i-1
		  }
	   }
	}
}
addObjEvent(window, 'onload', correctPNG);