function nWindow(oFile){
var wWidth=641;
var wHeight=550;

var cWidth=window.screen.width;
var cHeight=window.screen.height;

if(cHeight>600) var wHeight=650;

if(cHeight && cWidth){
	var leftOffset=Math.ceil((cWidth-wWidth)/2);
	var topOffset=Math.ceil((cHeight-wHeight)/2);
	b=window.open(oFile, "rcInfo", 'width='+wWidth+',height='+wHeight+',top='+topOffset+',left='+leftOffset+',scrollbars=yes,resizable=yes');
	b.focus();
	}
return false;
}