function openCatalog( strURL )
{
    var screen_width = 1024 - 12;
    var screen_height = 768 - 68;
    strFeatures = "left=0,top=0,width=" + screen_width + ",height=" + screen_height + ",";
    strFeatures += "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes";
    
    windowname=window.open( strURL, "DBookWin", strFeatures );
    windowname.focus();
	return;
}