//pop subMenu
function MM_showPop(mainMenu,subMenu)
{
  var daps  = subMenu.style;//document.all.Products.style;
  var ttop  = mainMenu.offsetTop;     //subMenu控件的定位点高
  var thei  = mainMenu.clientHeight;  //subMenu控件本身的高
  var tleft = mainMenu.offsetLeft;    //subMenu控件的定位点宽
  var ttyp  = mainMenu.type;          //subMenu控件的类型
  while (mainMenu = mainMenu.offsetParent){ttop+=mainMenu.offsetTop; tleft+=mainMenu.offsetLeft;}
  daps.top  = (ttyp=="image")? ttop+thei : ttop+thei+14; //层的 Y 坐标
  daps.left = tleft - 33;  //层的 X 坐标
  daps.display = "";  //层显示
  //alert(ttyp+":"+daps.display);
}


/*
var obj=subMenu.style;//获得层
// delay hide layer
function MM_delay(obj)
{

window.setTimeout("MM_hidePop(obj)",1000);
 
}
*/

//hide layer
function MM_hidePop(subMenu){
	var obj=subMenu.style;//获得层
	obj.display="none";//hide layer
	
}

/* 
var obj=null;
// delay hide layer
function MM_delay(subMenu)
{
obj=subMenu.style;//获得层
window.setTimeout("MM_hidePop()",5000);
 
}
//hide layer
function MM_hidePop(){
	//var obj=subMenu.style;//获得层
	obj.display="none";//hide layer
	
}
*/

//show layer
function MM_show(subMenu){
	var obj=subMenu.style;//获得层
	obj.display="";//display layer
	
}