function validate_required(field,alerttxt)
{
with (field)
	{
	if (value==null||value=="")
	  		{alert(alerttxt);return false}
	else {return true}
	}
}
function validate_form(thisform)
{
			with (thisform)
			{
				 ////////////////////////// 
				  
				   if (validate_required(First_Name,"Please enter your first name")==false)
				  {
				  First_Name.focus();return false
				  }
				  
				  if (validate_required(Last_Name,"Please enter your last name")==false)
				  {
				  Last_Name.focus();return false
				  }
				  
				if (validate_required(Email,"Please enter a valid email address")==false)
				  {
				  Email.focus();return false
				  }
				  
				   if (Email.value.indexOf('@') == -1)
				  {
				  alert('Please check your email address is correct');
				  Email.focus();return false
				  }
				  
				  
				  ////////////////////////// 
				 
				  else
				  {
				   document.RegForm.action="http://www.freshairfitness.co.nz/wp-content/themes/FreshAir/scripts/formmail.php";
				  }
			}
}