function show_popup(image, caption) {
my_window = window.open (caption, "mywindow1","status=1,width=780,height=720");
my_window.document.write('<IMG SRC="/img/press/'+image+'.jpg">');
my_window.document.write('<CENTER><A href="javascript:self.close()">Close this Window</A></CENTER>');
my_window.document.close(); }