//
// function used for the navigation bar that is composed of unordered lists
//
sfHover = function() 
{
	var sfEls = document.getElementById("nav").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"), "");
		}
	}
}
if (window.attachEvent) 
{
	window.attachEvent("onload", sfHover);
}

//
// Preload images so that when the page loads, it doesn't show the images being
// painted on the screen.
//
function MM_preloadImages() 
{   var d=document; 
	if(d.images)
	{ 
		if(!d.MM_p) 
		{
			d.MM_p=new Array();
		}
    	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
		for(i=0; i<a.length; i++)
		{
    		if (a[i].indexOf("#")!=0)
			{ 
				d.MM_p[j]=new Image; 
				d.MM_p[j++].src=a[i];
			}
		}
	}
}