var win= null;
function NewWindow(mypage,myname,w,h,scroll)
{
	var winl = (screen.width-w)/2;
  	var wint = (screen.height-h)/2;
	var settings  ="height="+h+",";
	settings +="width="+w+",";
	settings +="top="+wint+",";
	settings +="left="+winl+",";
	settings +="scrollbars="+scroll+",";
	settings +="resizable=yes";
	win=window.open(mypage,myname,settings);
	if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}