function puImage( url, width, height )
{
	width = parseInt(width)+200;
	height = parseInt(height)+200;
	var iLeft = (screen.width - width) / 2 ;
	var iTop = (screen.height - height) / 2 ;

	var sOptions = "toolbar=no,status=no,resizable=yes,dependent=yes" ;
	sOptions += ",width=" + width ;
	sOptions += ",height=" + height ;
	sOptions += ",left=" + iLeft ;
	sOptions += ",top=" + iTop ;

	var oWindow = window.open( url, "ImageWindow", sOptions ) ;
	if (window.focus) {oWindow.focus()}
}