function topmenu_init(){ 
	if(navigator.appVersion.indexOf("MSIE")==-1){
		return;
	}
 	var i,k,g,lg,c,nn='';
	var r=/\s*tmitem/;
	var cs='tmitem';
	var bv='topmenu_bar';
	
	g=document.getElementById(bv);
	if(g){
		lg=g.getElementsByTagName("LI");
		if(lg){
			for(k=0;k<lg.length;k++){
				lg[k].onmouseover=function(){
					c=this.className;
					cl=(c)?c+' '+cs:cs;
					this.className=cl;
				};
				lg[k].onmouseout=function(){
					c=this.className;
					this.className=(c)?c.replace(r,''):'';
				};
			}
		}
	}
}