// function to show layer
	function showDiv(sDivName){
		if(getObjectByName(sDivName)){
			getObjectByName(sDivName).style.visibility='visible';
		}
	}
	
// function to hide layer
	function hideDiv(sDivName){
		if(getObjectByName(sDivName)){
			getObjectByName(sDivName).style.visibility='hidden';
		}
	}

// function to check a Layer popup, based on the status of a boolean
// If the boolean is false and the layer is visible, it will be set hidden.
	function checkDivPopup(sDivName,sBlnName){
		if(getObjectByName(sDivName)){
			
			if(!eval(sBlnName) && (getObjectByName(sDivName).style.visibility=='visible')){
				hideDiv(sDivName);
			}

		}
		setTimeout("checkDivPopup('" + sDivName + "','" + sBlnName + "')", 2000);
	}