if ((navigator.appName).indexOf("Microsoft")!=-1) {
document.write('<link rel="stylesheet" href="http://www.rendertitan.com/code/css/stylesIE.css" type="text/css" media="all">');
} else {
document.write('<link rel="stylesheet" href="http://www.rendertitan.com/code/css/stylesFF.css" type="text/css" media="all">');
}