/* Submit voor items zoeken */
function zoeken(){
	document.zoek.submit();
}
function controle_form() {
  controle = true;
  if (!check_leeg(document.order.Name.value))
  	{ controle = false; alert('The name is required!'); 
             document.order.Name.focus();
             return;}
  if (!check_leeg(document.order.Address.value))
  	{ controle = false; alert('Address is required!'); 
             document.order.Address.focus();
             return;} 
  if (!check_leeg(document.order.Towncity.value))
  	{ controle = false; alert('City is required!'); 
             document.order.Towncity.focus();
             return;}  
  if (!check_leeg(document.order.ZipCode.value))
  	{ controle = false; alert('Zip code is required!'); 
             document.order.ZipCode.focus();
             return;}
  if (!check_leeg(document.order.Country.value))
  	{ controle = false; alert('Country is required!'); 
             document.order.Country.focus();
             return;}
  if (!check_leeg(document.order.Telephone.value))
  	{ controle = false; alert('Telephone number is required!'); 
             document.order.Telephone.focus();
             return;}
  if (!check_email(document.order.email.value))
  	{ controle = false; alert('Email address is invalid!');
             document.order.email.focus();
             return;}
			 
			  if (!check_leeg(document.order.Ship_Name.value))
  	{ controle = false; alert('The name for shipping is required!'); 
             document.order.Ship_Name.focus();
             return;}
  if (!check_leeg(document.order.Ship_Address.value))
  	{ controle = false; alert('Address for shipping is required!'); 
             document.order.Ship_Address.focus();
             return;} 
  if (!check_leeg(document.order.Ship_Towncity.value))
  	{ controle = false; alert('City for shipping is required!'); 
             document.order.Ship_Towncity.focus();
             return;}  
  if (!check_leeg(document.order.Ship_ZipCode.value))
  	{ controle = false; alert('Zip code for shipping is required!'); 
             document.order.Ship_ZipCode.focus();
             return;}
  if (!check_leeg(document.order.Ship_Country.value))
  	{ controle = false; alert('Country for shipping is required!'); 
             document.order.Ship_Country.focus();
             return;}
  if (!check_leeg(document.order.Ship_Telephone.value))
  	{ controle = false; alert('Telephone for shipping number is required!'); 
             document.order.Ship_Telephone.focus();
             return;}
  
  if (controle == true)
       { return document.order.submit(); 
	   	alert('Thanks for your order!\nYour company');
	   }
}

function check_leeg(text) {
  return (text.length > 0);
}

function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}