var win = null;
		function newWindow(mypage,myname,w,h,features) {
			var winl = (screen.width-w)/2;
			var wint = (screen.height-h)/2;

			if (winl < 0) winl = 0;
			if (wint < 0) wint = 0;

			var settings = 'height=' + h + ',';
			settings += 'width=' + w + ',';
			settings += 'top=' + wint + ',';
			settings += 'left=' + winl + ',';
			settings += features;

			win = window.open(mypage,myname,settings);
			win.window.focus();
		}