// JScript File

function trim(stringToTrim)
 { 
 return stringToTrim.replace(/^\s+|\s+$/g,"");
 } 
 
 function ValidateLogin()
 {
    if(trim(document.getElementById("txtUserName").value)=="")
    {
        alert("Please enter user name");
        document.getElementById("txtUserName").value="";
        document.getElementById("txtUserName").focus();
        return false;
    }
    else if(document.getElementById("txtPassword").value=="")
    {
        alert("Please enter password");
        document.getElementById("txtPassword").focus();
        return false;
    }
 }