// JScript File
function browser(){      
    if (navigator.appName.indexOf('Microsoft') != -1)
    {
        if (navigator.appVersion.indexOf('MSIE 6.0') != -1)
        {
            var allParas = document.getElementsByTagName("link"); 
            allParas[0].href = "css/estiloIE6.css";
            document.getElementById("divMasterLeft").style.width = "600px";    
        }
    }                  
}