// JavaScript Document
function displayKeywords(obj){	
	for (i=0; i<document.getElementById('mainmenu').getElementsByTagName("li").length; i++){			
		document.getElementById('mainmenu').getElementsByTagName("li")[i].className="";
		if (obj==document.getElementById('mainmenu').getElementsByTagName("li")[i].getElementsByTagName("a")[0]){
			document.getElementById('mainmenu').getElementsByTagName("li")[i].className="currently";
			document.getElementById('keywords_'+lastDisplayLi).style.display="none";
			lastDisplayLi = i;
            document.getElementById('keywords_'+i).style.display="inline";
	   }
	}
}