// JScript File

//required field validation
function validate_required(field,alerttxt)
{
    with (field)
    {
        if (value==null||value=="")
        {
            alert(alerttxt);
            return false;
        }
        else
        {
            return true;
        }
    }
}
//valid email validation
function validate_email(field,alerttxt)
{
    with (field)
    {
        apos=value.indexOf("@");
        dotpos=value.lastIndexOf(".");
        if (apos<1||dotpos-apos<2) 
        {
            alert(alerttxt);return false;
        }
        else
        {
            return true;
        }
    }
}