function domReady(fn){
        if(navigator.userAgent.match(/MSIE/)){
            var timer = setInterval(function(){
                    try{
                        document.documentElement.doScroll('left');
                        clearInterval(timer);
                        timer = null;
                        fn();        
                    }catch(e){}
                },500);
            return true;
        }else{
            document.addEventListener('DOMContentLoaded',fn,false);    
            return true;
        }
    }

function setTab(m,n){
 var tli=document.getElementById("menu"+m).getElementsByTagName("li");
 var mli=document.getElementById("main"+m).getElementsByTagName("ul");
 for(i=0;i<tli.length;i++){	  
  tli[i].className=i==n?"hover":"";
  mli[i].style.display=i==n?"block":"none";
 }
}
function subMenu(){
var getElm = document.getElementById("items").getElementsByTagName("li");
	for (var k=0; k<getElm.length; k++) {
		getElm[k].onmouseover=function() {
			this.className+=" hover";	
			
		}
		getElm[k].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
	}	
domReady(subMenu);