function img_open(fname,f,w,h,t)
{
if (self.screen) { // for NN4 and IE4
var width = screen.width;
var height = screen.height; }
else if (self.java) { // for NN3 with enabled Java
var jkit = java.awt.Toolkit.getDefaultToolkit();
var scrsize = jkit.getScreenSize();
width = scrsize.width;
height = scrsize.height; }
else { // for all other browsers
width = 800;
height = 600; };
var img_top = (height - h)/2;
var img_left = (width - w)/2;
if (img_top < 0) img_top = 0;
if (img_left < 0) img_left = 0;
var output_img = window.open('','fname',"top="+img_top+",left="+img_left+",width="+w+",height="+h+",scrollbars=no,location=no,toolbar=no,menubar=no,status=no,directories=no,resizable=yes")
with (output_img.document) {
open();
writeln("");
writeln('');
writeln(''+t+'');
writeln("");
writeln("");
writeln('
');
writeln("");
close();
}
}