function new_captcha()
{
var c_currentTime = new Date();
var c_miliseconds = c_currentTime.getTime();

document.getElementById('captcha').src = 'image.php?x='+ c_miliseconds;
}


function validate(field_name, field_value)
{
switch (field_name)
{
	// E-MAIL

    case "email":
	
	var email_enter = "<?php echo $errors['email_enter']; ?>";	
	var email_not_valid = "<?php echo $errors['email_not_valid']; ?>";
	
	if (field_value == null || field_value == "")
    {
    document.getElementById("email_status").innerHTML = '<div class="field_error">'+ email_enter +'</div>';
    }
    else 
	{
        if(!regIsEmail(field_value)) 
	    {
        document.getElementById("email_status").innerHTML = '<div class="field_error">'+ email_not_valid +'</div>';
        }
	    else
		{
		document.getElementById("email_status").innerHTML = '';
		}
    }
    break;

    // NAME

	case "name":

	var name_enter = "<?php echo $errors['name_enter']; ?>";

    if (field_value == null || field_value == "")
    {
    document.getElementById("name_status").innerHTML = '<div class="field_error">'+ name_enter +'</div>';
    }
    else 
	{
    document.getElementById("name_status").innerHTML = '';
    }
    break;

	// SUBJECT

	case "subject":

	var subject_enter = "<?php echo $errors['subject_enter']; ?>";

    if (field_value == null || field_value == "")
    {
    document.getElementById("subject_status").innerHTML = '<div class="field_error">'+ subject_enter +'</div>';
    }
    else 
	{
    document.getElementById("subject_status").innerHTML = '';
    }
    break;

    // MESSAGE

	case "message":

	var message_enter = "<?php echo $errors['message_enter']; ?>";

    if (field_value == null || field_value == "")
    {
    document.getElementById("message_status").innerHTML = '<div class="field_error">'+ message_enter +'</div>';
    }
    else 
	{
    document.getElementById("message_status").innerHTML = '';
    }
    break;
}

return true;
}

function regIsEmail(field_value)
{
var reg = new RegExp("^[0-9a-zA-Z]+@[0-9a-zA-Z]+[\.]{1}[0-9a-zA-Z]+[\.]?[0-9a-zA-Z]+$");
return reg.test(field_value);
}