function showMenu(menu)
{
				var menuTdId = menu.id;
				var subMenu;//用于存放子菜单对象! 用js控制各个子菜单显示的时刻，用css样式来控制各个子菜单显示的位置
				for(var i = 1;i <= 8; i++)
				{
					subMenu = document.getElementById("sub" + i);
					if(menuTdId == "nav" + i)
					{
						subMenu.style.display = "block";
					}
					else
					{
						subMenu.style.display = "none";	
					}
				}
}




			
function showMenu2(menu)
{
		var subMenu = document.getElementById(menu.id);
		subMenu.style.display = "block";	
}

			
			function hide()
			{
				setTimeout('hideWaiCeng()',2000);	
			}
			
			function hideWaiCeng()
			{
				document.getElementById("waiceng").style.visibility = "hidden";
			}
			
			function showWaiCeng()
			{
				document.getElementById("waiceng").style.visibility = "visible";
			}




function movebg(id,src) {
document.getElementById(id).background=src;
}







function Player(src,w,h)
{
	var url = src;
	var type = url.replace(/.+[\/\.]/g,'');

	var wmp = "wmv,mp3,mpeg,wma,avi";
	var rm = "rm,ram,rmvb,3gp";

	if(wmp.indexOf(type)!=-1)
	{
		try
		{
			 WMP(w,h);
				var mp = document.getElementById("MediaPlayer");
				mp.style.display = "block";
				mp.setAttribute("Filename",url);
		}
		catch (e)
		{
			alert("你的机器可能没有装window media player 播放器,所以无法观看,请安装");
		}

	}else if (rm.indexOf(type)!=-1)
	{
		 try
		 {
			RM(w,h);
			var rp = document.getElementById("RmPlayer");
			rp.style.display = "block";
			rp.SetSource(url);
		 }
		 catch (e)
		 {
			alert("你的机器可能没有安装RealPlayer播放器,请安装后观看");
		 }
	}
}

function WMP(w,h){

document.write("<object  class=OBJECT classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 height='"+h+"' id=MediaPlayer width='"+w+"' style=display:none>");
document.write("<param name=ShowStatusBar value=0>")
document.write("<param name=AutoStart value='false'>")
document.write("<param name=Filename value=''>")
document.write("</object>");

}

function RM(w,h){
document.write("<object id='RmPlayer' classid='clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA' width='"+w+"' height='"+h+"' style='display:none'>")
document.write("<param name='AUTOSTART' value='0'>");
document.write("<param name='SHUFFLE' value='0'>")
document.write("<param name='PREFETCH' value='0'>")
document.write("<param name='SRC' value='';>")
document.write("<param name='CONTROLS'value='Imagewindow,controlpanel'>")
document.write("<param name='CONSOLE' value='clip1'>")
document.write("<param name='NUMLOOP' value='0'>")
document.write("<param name='MAINTAINASPECT' value='0'>")
document.write("</object>")
}