windowOnloadFunctions = function()
{
	sfHover();
	exLinkTooltip();
}

function sfHover() 
{
	var sfEls = document.getElementById("topnav").getElementsByTagName("LI");
	for (var i=0; i < sfEls.length; i++) 
	{
		sfEls[i].onmouseover=function() 
		{
			this.className += " sfhover";
		}
		sfEls[i].onmouseout=function() 
		{
			this.className = this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}


//function exLinkTooltip() 
//{
//	var arrExLinks = document.getElementsByTagName("a");
//	var len = arrExLinks.length;
//	for(var i = 0; i <= len - 1; i++)
//	{
//		var target = arrExLinks[i];
//		if(target && target.getAttribute('rel') && target.rel == 'external')
//		{
//			target.title += " (Opens in a new browser window.)";	
//		}
//	}
//}

function photoGallery() 
{
	var imgs = document.getElementById("thumbs").getElementsByTagName("img")
	var len = imgs.length;
	var objImgDiv = document.getElementById("mainimgdiv");
	var currImg = imgs[0];
	currImg.className += " imghover";
	var objImg;
	var currI = -1;

	for(var i = 0; i < len; i++)
	{
		imgs[i].ind=i;
		imgs[i].onclick = function() 
                {
			if(typeof currImg != "undefined")
			{
				currImg.className = this.className.replace(new RegExp(" imghover\\b"), " thumbnail");
			}
			currImg = this;
			if(document.getElementById("spanmsg"))
			{
				var childTextNode = document.getElementById("spanmsg");
				objImgDiv.removeChild(childTextNode);		
			}
			objImgDiv.style.background = "#CCCCCC url('" + this.src + "') center center no-repeat";	
			
			this.className += " imghover";
			currI = this.ind;			
		}

		imgs[i].onmouseover=function() 
                {
			this.className += " imghover";
		}
	
		imgs[i].onmouseout=function() 
                {
			this.className = this.className.replace(new RegExp(" imghover\\b"), " thumbnail");
		}	
	}
	
	if(document.getElementById("imgLeftArrow"))
	{	
		var LA = document.getElementById("imgLeftArrow");
		LA.onclick = function()
		{
			if(currI == 0)
			{
				currI = len-1;			
			}
		else
			{
				currI--;
			}
			if(document.getElementById("spanmsg"))
			{
				var childTextNode = document.getElementById("spanmsg");
				objImgDiv.removeChild(childTextNode);		
			}
			objImgDiv.style.background = "#CCCCCC url('" + imgs[currI].src + "') center center no-repeat";
			imgs[currI].click();
		}

		LA.onmouseover = function()
		{
			this.style.cursor = "pointer";
		}

		LA.onmouseout = function()
		{
			this.style.cursor = "default";
		}	
	}

	if(document.getElementById("imgRightArrow"))
	{	
		var RA = document.getElementById("imgRightArrow");
		RA.onclick = function()
		{
			if(currI == len-1)
			{
				currI = 0;			
			}
			else
			{
				currI++;
			}
			if(document.getElementById("spanmsg"))
			{
				var childTextNode = document.getElementById("spanmsg");
				objImgDiv.removeChild(childTextNode);		
			}
			objImgDiv.style.background = "#CCCCCC url('" + imgs[currI].src + "') center center no-repeat";
			imgs[currI].click();
		}
		
		RA.onmouseover = function()
		{
			this.style.cursor = "pointer";
		}
		
		RA.onmouseout = function()
		{
			this.style.cursor = "default";
		}		
	}
}