var popped = 0;
function createPopUp(videoSource) {
if (popped == 0) {
var div = document.createElement('div');
var newcode = '<div id="qtpopup"><iframe width="479" height="430" frameborder="0" framespacing="0" scrolling="no" border="0" src="external.php?code='+escape(videoSource) +'"></iframe></div>';
div.innerHTML = newcode;
document.body.appendChild(div.firstChild);
popped = 1;
}
}
function closePopUp() {
var el = document.getElementById("qtpopup");
el.parentNode.removeChild(el);
popped = 0;
}