function detectInternetExplorer(){
  var detected = false;
  if (navigator.appName == 'Microsoft Internet Explorer')  {
	detected = true;
  }
  return detected;
}

function toggledisplay(el,url){ 
	if (detectInternetExplorer() == false){
		if(document.getElementById(el).style.display == "none"){ 
			document.getElementById(el).style.display = "block"; 
		}
		else{ 
			document.getElementById(el).style.display = "none"; 
		}		
	}
	else{
		poptastic(url)
	}
}

var newwindow;
function poptastic(url)
{
	newwindow=window.open(url,'Demo','height=480,width=720');
	if (window.focus) {newwindow.focus()}
}