function tablechange(thetable) { 
 var table=document.getElementById(thetable);
 if (! table) { return; }
 var rows = table.getElementsByTagName('tr');
 for(var i = 0; i < rows.length; i++)
 {
 (i%2==0)? rows.item(i).style.backgroundColor = "252525" : rows.item(i).style.backgroundColor = "353535"
 }
 
 }

 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);