function f_open_window_max( aURL, aWinName ){
   var wOpen;
   var sOptions;

   sOptions = 'status=no,menubar=no,scrollbars=yes,resizable=yes,toolbar=no';
   sOptions = sOptions + ',width= 802';
   sOptions = sOptions + ',height=652';		   		   
   wOpen = window.open( '', aWinName, sOptions );
   wOpen.location = aURL;
   wOpen.focus();
   wOpen.moveTo(screen.availWidth/2-(802/2),screen.availHeight/2-(652/2));
   //wOpen.resizeTo( screen.availWidth, screen.availHeight );
   return wOpen;
}