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