var PmsUrl = {
    getBaseUrl : function()
    {
         // loc is the relative path your wish to redirect to
         var b = document.getElementsByTagName('base');
         var loc = '' ;
         if (b && b[0] && b[0].href) {
           if (b[0].href.substr(b[0].href.length-1) == '/' && loc.charAt(0) == '/')
             loc = loc.substr(1);
           loc = b[0].href + loc;
         }
         return loc;
    }
}