function nwin(fileName){
	var width = 500;
	var height = 300;
	var left = ((screen.availWidth/2) - (width/2));
	var top = ((screen.availHeight/2) - (height/2));
	myfile = window.open('','','status=yes,toolbar=yes,menubar=yes,location=yes,resizeable=yes,width=500,height=300');
	myfile.moveTo(left,top);
	myfile.location.href = fileName;
	myfile.focus();
}