function viewSample(port)
{
	var scr_width=window.screen.availWidth;
	var scr_height=window.screen.availHeight;
	var the_width = 640;
	var the_height = 520;
	var the_left = parseInt((scr_width - the_width) / 2);
	var the_top = parseInt((scr_height - the_height) / 2);
	var the_features="width="+the_width+",height="+the_height+",left="+the_left+",top="+the_top;
	newWindow = window.open(port,"",the_features);
}