a ver si esta solución te sirve:
Código HTML:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>TITULO</title>
<style type="text/css">
#page-wrap {
min-width: 960px; max-width: 1260px;
margin: 0 auto; padding: 0 10px;
width:expression(document.body.clientWidth < 961? "960px" : document.body.clientWidth > 1261? "1260px" : "auto");
height: 150px;
background: #999999; position: relative; color: #FFF;
}
#logo{ width: 200px; height: 120px; background: #333;}
#login{width: 150px; height: 80px; position: absolute; right: 15px; top: 10px;background: #333;}
</style>
</head>
<body>
<div id="page-wrap">
<div id="logo">logo</div>
<div id="login">login</div>
</div>
</body>
</html> 