/********************************* Start - hide and show menu *************************************/
var preUlElement = "";
function toggle(id)
{
	ul = "ul_" + id;   
    ulElement = document.getElementById(ul);
	
	if(preUlElement != "")
		if(preUlElement != ulElement)			
   		preUlElement.className = 'closed';
	
    if (ulElement)
	{
		if (ulElement.className == 'closed')
			ulElement.className = "open";
		else
			ulElement.className = "closed";
	}
	preUlElement = ulElement;
}

/********************************* End - hide and show menu *************************************/

	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);