/* 菜单样式控制效果*/

/* quick hacks */
var previewObject;

function changeMemuBg(object)
{	
	object.parentNode.className = "selectlist";
	if(previewObject != null && previewObject != object.parentNode)
	{
		previewObject.className = "defaultlist";
	}
	previewObject = object.parentNode;
}

/* quick hacks */
global_pro_id = -1;
function Showmenu(i){
	var sub_li = "#menu_"+i;
	$("ul.submenu").hide();//隐藏所有的子类
	if( global_pro_id == i ){
	//如果当前的菜单已经打开，则隐藏 然后给全局变量global_pro_id赋值
		$(sub_li).hide();
		global_pro_id =-1
		$("#pro_"+i).css("background-image","url(/images/folder-close.gif)");
	}
	else {
		$(sub_li).show();
		global_pro_id = i;
		$("#pro_"+i).css("background-image","url(/images/folder-open.gif)");
	}
}