// Popup Windows
function openWin(theURL,winName,features) {
	var w = window.open(theURL,winName,features);
   	if (w != null && w.open) {
        	w.focus();
    	}
}

// Set properties by Id
function setProperty(id,property,value) {
	var element = document.getElementById(id);
	if (element != null) {
		element = element.style;
		element[property] = value;
	}
}

// Show Pop-up Divs
function showLayer(id) {
	setProperty(id,"visibility","visible");
}

// Hide Pop-up Divs
function hideLayer(id) {
	setProperty(id,"visibility","hidden");
}