function validate(eForm)
{
    // REQUIRED - EMAIL ADDRESS
    if ( (!isEmail(eForm.email.value)) || ("" == eForm.email.value))
    {
        eForm.email.value="Please enter a valid email address";
        eForm.email.focus();
        eForm.email.blur();
        eForm.email.select();
        return false;
    }

}

// Check for valid email address - returns false if email is invalid
function isEmail(str) 
{
    // are regular expressions supported?
    var supported = 0;
    if (window.RegExp) 
    {
        var tempStr = "a";
        var tempReg = new RegExp(tempStr);
        if (tempReg.test(tempStr)) supported = 1;
    }
    
    if (!supported) 
        return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);

    var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
    var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
    
    return (!r1.test(str) && r2.test(str));
}