<!--
var navTimerOn=false;
var navTimer=null;
var topLevelWaitTime=500; //in milliseconds
var subLevelWaitTime=500; //in milliseconds

function mOpen(id) 
{
   	var showBox=document.getElementById("box"+id+"menu");
    showBox.style.visibility = "visible";
    //showBox.style.top = 97;    // 出現的高度
    var items = 5;
    for (i=1; i<items; i++) 
    {

      if(i == id)
      {
       showBox=document.getElementById("box"+i+"menu").style.visibility ="visible";
      }
      else
      {
       showBox=document.getElementById("box"+i+"menu").style.visibility ="hidden";
      }
    }
}

function mClose() 
{
  if(navTimerOn){
  stopMenuTimer();
  var items = 5;
	  for (i=1; i<items; i++) 
	  {
	 var showBox=document.getElementById("box"+i+"menu").style.visibility="hidden";
	  }
 }
}
function startMenuTimer(level,id){
    if(document.getElementById&&navTimerOn==false&&navTimer==null){
        if(level!=null&&level!='undefined'&&level>0){
            navTimerOn=true;
            switch(level){
                case 1:navTimer=window.setInterval('mClose()',topLevelWaitTime);break;
                default:navTimer=window.setInterval('mClose()',subLevelWaitTime);break;
			  }
        }     
    }
}       
function stopMenuTimer(id){
if(id!=null){

}
    if(navTimer)window.clearInterval(navTimer);
    navTimer=null;
    navTimerOn=false;
}

function chgb(id) 
{
    document.getElementById("td"+id+"menu").style.background = "#CCCCCC";

}

function chgbback(id) 
{
    document.getElementById("td"+id+"menu").style.background = "#E7E7E7";
}

//-->