//-------------------------------------------------
// opens a new browser window with the size of 
// of 400 x 300.  The menubar & scroll bars are 
// disabled.
//
// url  - target url source 
// name - window name ) 
//
//-------------------------------------------------
function openPopupWindow(url,name)
{
  	window.open(url, name, "location=no,status=no,toolbar=no,menubar=no,directories=no,scrollbars=yes,resizable=no,width=400,height=300");
} 
 
//-------------------------------------------------
// opens a new browser window with the size 
// set by the w/h parameters.  
//
// url      - target url source 
// name     - window name  
// w        - width 
// h        - height 
// args     - window preference arguments (optional) 
// center   - center window on screen (true/false)
//
//-------------------------------------------------
function openWindow(url,name,w,h, args, center ) {

	if  ( center ) { 
		myleft=(screen.width)?(screen.width-w)/2:100;
		mytop=(screen.height)?(screen.height-h)/2:100;	
		args = "width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,menubar=no," + args ;
	} 

	if  ( args == null ) 
        args = "location=no,status=no,toolbar=no,directories=no,location=no,scrollbars=yes,resizable=no,width="+w+",height="+h;

	newwin= window.open(url,name,args);
	if ( newwin != null ) 
        newwin.focus();
	
    return newwin;
	
}