browser_version= parseInt(navigator.appVersion);
browser_type = navigator.appName;

if (browser_type == "Microsoft Internet Explorer" && (browser_version < 7)) {
document.write("<script type=\"text/javascript\" src=\"http://0-60mag.com/js/image_resize.js\"></script>");
} 
else if (browser_type == "Netscape" && (browser_version >= 4)) {
document.write("<link rel=\"stylesheet\" href=\"http://0-60mag.com/css/image_resize.css\" />");
}