// MARTEK Globals

function navOn(el) { /* TO 'STICKY' THE MAIN NAV ITEM */
		document.getElementById(el).className=(document.getElementById(el).className=='nav_active')?'':'nav_active';
	}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	//var isOpen=false;
	
	for (var i=0; i<sfEls.length; i++) {
		//alert(sfEls.length);
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			//isOpen=true;
			
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);