function selectChange(){
		
		
		var len = document.activationform.noETManagers.length;
		var i = 0;
		var numberET = "";
		var ETUnit = "";
		var ETUnitB = "";
		
		for (i=0; i < len; i++) {
			if (document.activationform.noETManagers[i].selected)
				numberET = document.activationform.noETManagers[i].value;
		}
		
		/*Hide the ET units first */
		for (i=1; i<=len; i++) {
			ETUnit = document.getElementById("unit"+i);
			ETUnitB = document.getElementById("unit"+i+"b");
			if (ETUnit) {
				ETUnit.style.display = "none";
				ETUnitB.style.display = "none";
			}
		}
		
		/*Show ET Managers selected*/
		for (i=1; i<=numberET; i++) {
			ETUnit = document.getElementById("unit"+i);
			ETUnitB = document.getElementById("unit"+i+"b");
			if (ETUnit) {
				ETUnit.style.display = "block";
				ETUnitB.style.display = "block";
			}
		}
		
	}