var oDisable = null;
	function ScrollMenu(oValue){	
		var oMenuCurrent = document.getElementById(oValue);
		if (oDisable == null) {
			oDisable = oMenuCurrent;
		}
		if (oDisable == oMenuCurrent) {		
			if(oMenuCurrent.style.display == ''){
				oMenuCurrent.style.display = 'none';
			}
			else {
				oMenuCurrent.style.display = '';
			}		
		}
		else {
			if(oDisable){
				oDisable.style.display = 'none';
			}
			oMenuCurrent.style.display = '';
			oDisable = oMenuCurrent;		
		}
	}