// start script for launching external child window

function winLaunch (url) {
	window.open(url,'acknowledge','width=545,height=380,resizable')
}


function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=515,height=375,screenX=150,screenY=150,top=150,left=150')
}

function winPop(url, wname, specs) {
	window.open(url, wname, specs);
}

function showlayer(layer){
	var newLayer = document.getElementById(layer).style.display;
		if(newLayer=="none"){
			document.getElementById(layer).style.display="block";
		} else { 
			document.getElementById(layer).style.display="none";
	}
}


function toggleLayer(layer, layer2){
	var newLayer = document.getElementById(layer).style.display;
	var newLayer2 = document.getElementById(layer2).style.display;
	
		if(newLayer=="none"){
			document.getElementById(layer).style.display="block";
		} else { 
			document.getElementById(layer).style.display="none";
		}
		if(newLayer2=="block"){
			document.getElementById(layer2).style.display="none";
		} else { 
			document.getElementById(layer2).style.display="block";
		} 
}

// prevents double clicking on submit button
var clickCounter=0;

function shouldSubmit(){
	clickCounter++;
	if (clickCounter > 1) {
	  	return false;
	} else {
		return true;
	}
}