function imagePopup( w, h, webRoot, imageUrl ) {
	var url = webRoot+'scripts/Photo.php?img='+imageUrl;
	myRef = window.open(url,"",
	'left=20,top=20,width='+w+',height='+h+',toolbar=0,resizable=0,scrollbars=0');
}

function videoPopup( w, h, webRoot, videoUrl ) {
	var url = webRoot+'scripts/Video.php?video='+videoUrl+'&w='+w+'&h='+h;
	myRef = window.open(url,"",
	'left=20,top=20,width='+w+',height='+h+',toolbar=0,resizable=1');
}

function pdfPopup(webRoot, pdfUrl ) {
	var url = webRoot+'pdf/'+pdfUrl;
	myRef = window.open(url,"",
	'left=20,top=20,width='+w+',height='+h+',toolbar=0,resizable=1');
}