fDomOffset = function( oObj, sProp )
{
 var iVal = 0;
 while (oObj && oObj.tagName != 'BODY') {
  eval('iVal += oObj.' + sProp + ';');
  oObj = oObj.offsetParent;
 }
 return iVal;
}

function Plus(IdRessource){
	sDiv = "divPlus" + IdRessource;
	divPlus = MM_findObj(sDiv);
	itemReference = document.getElementById("Menu_Home_Bis");
	divPlus.style.left = fDomOffset(itemReference, "offsetLeft") + 234;
	divPlus.style.top = fDomOffset(itemReference, "offsetTop") - 16;
	//divPlus.style.height = itemReference.offsetHeight;
	divPlus.style.visibility = "visible";
}

function FermerPlus(IdRessource){
	sDiv = "divPlus" + IdRessource;
	divPlus = MM_findObj(sDiv);
	divPlus.style.visibility = "hidden";
}