<!--
function isIE()
{
  return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
}

sfHover = function() {

	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	
	var search_box = document.getElementById("header_search_box");

	for (var i=0; i<sfEls.length; i++) {
		
		sfEls[i].onmouseover=function() {

			this.className+=" sfhover";
			
			if(isIE) search_box.style.visibility = 'hidden';

		}

		sfEls[i].onmouseout=function() {

			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			
			if(isIE) search_box.style.visibility = 'visible';

		}
		
	}

}

if (window.attachEvent) window.attachEvent("onload", sfHover);

function topnav_hover(target,action){

	if(action == "over"){
		
		target.style.backgroundPosition= '0 0';
		
	} else {
		
		target.style.backgroundPosition = '0 27px';	
		
	}
	
}


//-->