email 	 = false; 
password = false;
/**
 * validate regsiteration form
 * @return
 */
function registerValid() {
	if(document.getElementById('first_name').value=='')
	{
		alert('write your first name');
		document.getElementById('first_name').focus();
	}
	else if(document.getElementById('last_name').value=='')
	{
		alert('write your last name');
		document.getElementById('last_name').focus();
	}
	else if(document.getElementById('check').value == "0")
	{
		alert('check your email address');
		document.getElementById('email_address').focus();
	}
	else if(document.getElementById('password').value == "")
	{
		alert('write your password');
		document.getElementById('password').focus();
	}
	else if(document.getElementById('confirm_password').value == "")
	{
		alert('rewrite your password correctly');
		document.getElementById('confirm_password').focus();
	}
	else if(password == false)
	{
		alert('confirm your password correctly');
		document.getElementById('confirm_password').focus();
	}
	else if(cell == false)
	{
		alert('write the cell phone correctly');
		document.getElementById('cell_phone').focus();
	}
	else if(document.getElementById('captcha').value=='')
	{
		alert('write the value on image');
		document.getElementById('captcha').focus();
	}
	else
		document.form1.submit();
}
/**
 * ajax validation for regsiteration
 * @param id
 * @return
 */
function ajaxValid(id)
{
	if(id=='email')
	{
		//check if text box has a value and call correct ajax page with query
		if(document.getElementById('email_address').value != '')
			ajaxPage(id , 'ajax/register.ajax.php', 'check=email&email='+document.getElementById('email_address').value);
	}
	else if(id == 'password')
	{
		if(document.getElementById('old_password').value != '')
			ajaxPage('oldpassword_layer' , 'ajax/register.ajax.php', 'check=password&password='+document.getElementById('old_password').value);
	}
}
/**
 * check if password and confirm password has the same value
 * @return
 */
function confirmPassword()
{
	password 		 = document.getElementById('password').value;
	confirm_password = document.getElementById('confirm_password').value;
	if(confirm_password != '' || password != '' )
	{
		if(password == confirm_password)
		{
			document.getElementById('password_layer').innerHTML = '<img src="images/correct.png" align="absmiddle"> <span class="correct">the password is correct</span>';
			password = true;
		}
		else
		{
			document.getElementById('password_layer').innerHTML = '<img src="images/error.png" align="absmiddle"> <span class="error">rewrite the password correctly</span>';
			password = false;
		}
	}
}
/**
 * validate update regsiteration form
 * @return
 */
function updateRegisterValid() {
	if(document.getElementById('first_name').value=='')
	{
		alert('write your first name');
		document.getElementById('first_name').focus();
	}
	else if(document.getElementById('last_name').value=='')
	{
		alert('write your last name');
		document.getElementById('last_name').focus();
	}
	else if(document.getElementById('check_password').value == "0")
	{
		alert('write your old password correctly');
		document.getElementById('check_password').focus();
	}
	else if(document.getElementById('password').value == "")
	{
		alert('write your password');
		document.getElementById('password').focus();
	}
	else if(document.getElementById('confirm_password').value == "")
	{
		alert('rewrite your password correctly');
		document.getElementById('confirm_password').focus();
	}
	else if(password == false)
	{
		alert('confirm your password correctly');
		document.getElementById('confirm_password').focus();
	}
	else if(document.getElementById('captcha').value=='')
	{
		alert('write the value on image');
		document.getElementById('captcha').focus();
	}
	else
		document.form1.submit();
}