var newwindow;
var wheight = 0, wwidth = 0;

function popit(url, title, iwidth, iheight, colour) {
var pwidth, pheight;
if ( navigator.userAgent.indexOf("Firefox") != -1)  {tidy()}; // Close window if not IE

if ( !newwindow || newwindow.closed ) {
	pwidth=iwidth+30;
	pheight=iheight+30;
	newwindow=window.open('','htmlname','width=' + pwidth +',height=' +pheight + ',resizable=1,top=50,left=10,status=1 ');
	wheight=iheight;
	wwidth=iwidth;
}
 
if (wheight!=iheight || wwidth!=iwidth ) {
	pwidth=iwidth+30;
	pheight=iheight+90;
	if (version.substring(0,1)>3) { 	// check browser v4+ supporting JavaScript 1.2	
		newwindow.resizeTo(pwidth, pheight);
	}
	wheight=iheight;
	wwidth=iwidth;
}

newwindow.document.clear();
newwindow.focus();
newwindow.document.writeln('<html> <head> <title>' + title + ' <\/title> <\/head> <body bgcolor= \"#345CAA\"> <center>');
newwindow.document.writeln('<img src=' + url + '  title=\"' + title + '\"   alt=\"' + title + '\" >');
newwindow.document.writeln('<\/center> <\/body> <\/html>');
newwindow.focus()
newwindow.document.close();
newwindow.focus();
}
