function openWindow( url, titel, w, h )
{
var style     = "";

 style     = "toolbar=no";
 style    += ",location=no";
 style    += ",directories=no";
 style    += ",status=no";
 style    += ",scrollbars=yes";
 style    += ",resizable=yes";
 style    += ",copyhistory=no";
 style    += ",width="+w + ",height="+h;

var newWin     = window.open( url, titel, style);
return newWin;
}