/*头部*/
function topMenuOver(li_name){
   	$(li_name).style.backgroundImage="url(shop_data/common/Button_df.png)";
	$(li_name).style.color="#666";
	if(li_name=="cart"){
       $("img_cart").src="shop_data/common/car1.gif";
	}
}

function topMenuOut(li_name){
   	$(li_name).style.backgroundImage="url(shop_data/common/Button_back.png)";
	$(li_name).style.color="#f1f1f1";
	if(li_name=="cart"){
       $("img_cart").src="shop_data/common/car.gif";
	}
}

function initTopMenu(li_name){
   topMenuOver(li_name);
   var ids=["shophome","category","order","cart"];
   for(var i=0;i<ids.length;i++){
	  var tt=function(){
		  var name=ids[i];
		  if(name!=li_name){
			  Event.observe($(name),"mouseover",function(){topMenuOver(name)} ); 
			  Event.observe($(name),"mouseout",function(){ topMenuOut(name)}  ); 
		  }
	  }
	  tt();
   }
}
//
function validate_search_top(){
   if($("searchKey").value.trim()==""&&$("cate_id").value==0){
	  alert("输入关键字或选择产品分类");
	  return false;   
   }else{
	   $("formSearch").submit();
	   return true;      
	}
}
function AddFavorite(sURL, sTitle){
  try{
            window.external.addFavorite(sURL, sTitle);
  }
  catch (e){
      try{
          window.sidebar.addPanel(sTitle, sURL, "");
      }
      catch (e){
                alert("加入收藏失败，请使用Ctrl+D进行添加");
            }
       }
}
function SetHome(obj,vrl){
    try{
       obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
     }catch(e){
        if(window.netscape) {
           try {
                   netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
           }catch (e) { 
               alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
           }
 var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
    }