function $(x){
    return document.getElementById(x);
}
function showHeadOut(obj){
	obj.src=obj.src.replace("Over","");
}

function showMenu(menuName,isIndex){
	var obj=$("menu"+menuName);
	var href = document.getElementById("menu"+menuName).getElementsByTagName('a'); 
	for(key in href) 
		{ 
			href[key].className = "menucolor"; 
		} 
 
	//alert("menu"+menuName);
	//href.className = "pageon";
	var objList=$("menuList");
	if(obj){
		obj.className="menuHere";
	}
}

//城市切换
    function show_select(input,btn,option,value){
	  inputobj=document.getElementById(input);
	  btnobj=document.getElementById(btn);
	  optionobj=document.getElementById(option);
	  valueobj=document.getElementById(value);
	  optionobj.style.display=optionobj.style.display==""?"none":"";
	  optionobj.onblur=function () {
	    optionobj.style.display="none";
	  }
	  
	  for (var i=0;i<optionobj.childNodes.length;i++){
	    optionobj.focus();
	    optionobj.childNodes[i].onmouseover=function (){
		this.className="qty_items_over";
		}
		optionobj.childNodes[i].onmouseout=function (){
		this.className="qty_items_out";
		}
		optionobj.childNodes[i].onclick=function () {
		//alert(this.innerHTML)
		inputobj.innerHTML=this.innerHTML;
		valueobj.value=this.innerHTML;
		optionobj.blur();
		optionobj.style.display="none";
		if (input=="pro_color"){
		  loadpic(this.id,"");
		}
		}
	  }
	}
//城市切换结束