var popUpWin = null;

function setPopUpWindow(URLStr, left, top, width, height) {
	if(popUpWin) {
		if(!popUpWin.closed) popUpWin.close();
	}
	popUpWin = window.open(URLStr, "popUpWin", "toolbar=yes,location=yes,directories=yes,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=no,width="+width+",height="+height+",left="+left+", top="+top+",screenX="+left+",screenY="+top+'');
	
	if(!popUpWin) {
		alert('In order to view this image, you have to allow popups!');
	}
	popUpWin.focus();
}

function setPopUpWindowAutoPos(URLStr, width, height) {
	setPopUpWindow(URLStr, screen.width/2 - width, screen.height/2 * 0.97 - height, width, height);
}