var isInSubMenu = false;
function popMenu(sourceObj,targetObjName)
{
	var targetObj = document.getElementById(targetObjName);	
	targetObj.style.top=getIEPosY(sourceObj) + sourceObj.offsetHeight;
	targetObj.style.left=getIEPosX(sourceObj);
	targetObj.style.display="";
}
function leaveMenu(targetObjName)
{
	if(isInSubMenu)return;
	var targetObj = document.getElementById(targetObjName);
	targetObj.style.display="none";
}
function getIEPosX(elt)
{
	return getIEPos(elt,"Left"); 
}

function getIEPosY(elt)
{
	return getIEPos(elt,"Top");
}

function getIEPos(elt,which) 
{
	iPos = 0
	while (elt!=null)
	{
		iPos += elt["offset" + which];
		elt = elt.offsetParent;
	}
	return iPos
}

function hideSubMenu(sourceObject)
{
	isInSubMenu = false;
	sourceObject.style.display="none";
}
function showSubMenu(sourceObject)
{
	isInSubMenu = true;
	sourceObject.style.display="";
}

function oCopy(obj)
{  
    obj.select();  
    js=obj.createTextRange();  
    js.execCommand("Copy")
    alert("¸´ÖƳɹ¦!");  
}