// used to pop screenshots of the various applications 
function popup_image(name) {
	var pi_width;
	var pi_height;
	var pi_top;
	var pi_left;
	var pi_bar;
	if((screen.width > 1024) && (screen.height > 768)) {
		pi_width = 1024+20;
		pi_height = 768+20;
		pi_bar= 'no';
	} else {
		pi_width = 800+16+(Prototype.Browser.IE?20:0);
		pi_height = 600+16+(Prototype.Browser.IE?20:0);
		pi_bar= 'yes';
	}
	pi_top = (screen.width - pi_width) /2;
	pi_left = (screen.height - pi_height) /2;
	window.open('/images/'+name, 'image', 'location=no,menubar=no,resizable='+pi_bar+',scrollbars='+pi_bar+',status=no,toolbar=no,height='+pi_height+',width='+pi_width+',left='+pi_left+',top='+pi_top);
}