//      CHECK CAPTCHA

function update_image(){
    document.getElementById("dynamic_image").src = "captcha_code_file.php?b=" + Math.random();
}

function Check_User_Entered_Captcha(form_code)
{
var generated_captcha_code = Get_Cookie( 'CaptchaCode');
var user_captcha_code = form_code;

// alert( "VARIABLE generated_captcha_code CONTAINS " + generated_captcha_code);
// alert( "VARIABLE user_captcha_code CONTAINS " + user_captcha_code);

if (user_captcha_code != generated_captcha_code){

//    alert("SECURITY CODE " + user_captcha_code + " incorrect - Please try again");
    alert("SECURITY CODE incorrect - Please try again");	
    document.contact_us.FORM_CODE.focus();
    return false; 
    }

// alert( "User entered Security Code matches Generated Security Code - COOKIE DELETED");
Delete_Cookie('CaptchaCode', '/', '');

return true;
}  // end of function


// -- END -->