sfHover=function(){
	var sfEls=document.getElementById("nav").getElementsByTagName("LI");
	
	for( var i=0 ; i<sfEls.length ; i++ ) {
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			this.className += " sfhover"; 
		}
		sfEls[i].onmouseout = function(){
			this.className = this.className.replace(
				new RegExp(" sfhover\\b"),"");
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