function openWindow( url, winName, iWidth, iHeight ) {
		
	this.name = "MAINPAGE";
	popup = window.open( url, winName, "status=no,width=" + iWidth + ",height=" + iHeight + ",resizable=yes,toolbar=no,scrollbars=yes" );

	if (navigator.appName == "Netscape") { 
   		popup.focus(); 
	} 

}