function openPopup(url){
	document.getElementById('viewBlind').style.display = '';
	document.getElementById('viewBlind').style.width = document.body.scrollWidth;
	document.getElementById('viewBlind').style.height = document.body.scrollHeight;
	document.getElementById('viewLayer').style.display = '';
	document.getElementById('viewFrame').src = url;
}
function closePopup(){
	document.getElementById('viewBlind').style.display = 'none';
	document.getElementById('viewLayer').style.display = 'none';
	document.getElementById('viewFrame').src = "";
}
function moveLayer(w, h){
	w = w.replace('px','') / 2;
	h = h.replace('px','') / 2 - document.body.scrollTop;
	var obj = document.getElementById('viewLayer');
	obj.style.marginLeft = -(w)+'px';
	//obj.style.marginTop = -(h)+'px';
	obj.style.top = '20px';
}