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"), "");
		}
	}
}
function collapseAll() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) 
	{
		sfEls[i].onmouseout();
	}	
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function calcIframeHeight(IFrame) {
	IFrame.height = 0;
	IFrame.height=IFrame.contentWindow.document.body.scrollHeight;
}