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

if (window.attachEvent && (!window.opera)) window.attachEvent("onload", sfHover);