function clap(id)
{
 var div;
 div = document.getElementById(id);
 if(div.style.display == "block")
  {
   div.style.display = "none";
  }
 
 else
  {
   div.style.display = "block";
  };

}


function album(n)
	 {
	  alert(n);	 

	 }

function checkempty()
{
	var empty=new Array();
	if(document.contact.firstname.value == "")
	 { 
	  empty[0] = "Voornaam";
	  
	 }
	if(document.contact.surname.value == "")
	 { 
	  empty[1] = "Achternaam";
	  
	 }
	if(document.contact.email.value == "")
	 { 
	  empty[2] = "E-mail";
	  
	 }
	if(document.contact.subject.value == "")
	 { 
	  empty[3] = "Onderwerp";
	
	 }
	if(document.contact.message.value == "")
	 { 
	  empty[4] = "Bericht";
	
	 }
	 
	if(empty != 0)
	{
		alert("U heeft de volgende velden niet ingevult:\n" + empty);
		return false;
		}
    else
	{   
	    return true
		}
	
	}

function checkreserv()
{
	var empty=new Array();
	if(document.reserv.aanhef == "")
	 { 
	  empty[0] = "Aanhef";
	  
	 }
	if(document.reserv.voorletters.value == "")
	 { 
	  empty[1] = "Voorletters";
	  
	 }
	if(document.reserv.achternaam.value == "")
	 { 
	  empty[2] = "Achternaam";
	  
	 }
	if(document.reserv.adres.value == "")
	 { 
	  empty[3] = "Adres";
	  
	 }
	if(document.reserv.postcode.value == "")
	 { 
	  empty[4] = "Postcode";
	
	 }
	if(document.reserv.woonplaats.value == "")
	 { 
	  empty[5] = "woonplaats";
	
	 }
	if(document.reserv.telefoon.value == "")
	 { 
	  empty[6] = "Telefoon";
	
	 }
	if(document.reserv.email.value == "")
	 { 
	  empty[7] = "E-mail";
	
	 }
	if(document.reserv.aantal.value == "")
	 { 
	  empty[8] = "Aantal kaarten";
	
	 }	 
	if(empty != 0)
	{
		alert("U heeft de volgende velden niet of onjuist ingevult:\n" + empty);
		return false;
		}
    else
	{   
	    return true
		}
	
	}

function checkemptyreserveren()
{
	var empty=new Array();
	if(document.reserveren.naam.value == "")
	 { 
	  empty[0] = "Naam"; 
	 }
	if(document.reserveren.adres.value == "")
	 { 
	  empty[1] = "adres"; 
	 }	
	if(document.reserveren.woonplaats.value == "")
	 { 
	  empty[2] = "woonplaats"; 
	 }	
	if(document.reserveren.mail.value == "")
	 { 
	  empty[3] = "e-mail"; 
	 }
	if(document.reserveren.pers.value == "")
	 { 
	  empty[4] = "Aantal personen"; 
	 }

	if(empty != 0)
	{
		alert("U heeft de volgende velden niet ingevult:\n" + empty);
		return false;
		}
    else
	{   
	    return true
		}
	
	}

function checkregisempty()
{
	var empty=new Array();
	if(document.registreer.firstname.value == "")
	 { 
	  empty[0] = "Voornaam";
	  
	 }
	if(document.registreer.lastname.value == "")
	 { 
	  empty[1] = "Achternaam";
	  
	 }
	if(document.registreer.username.value == "")
	 { 
	  empty[2] = "Gebruikersnaam";
	  
	 }
	if(document.registreer.password.value == "")
	 { 
	  empty[3] = "Wachtwoord";
	
	 }
	if(document.registreer.password2.value == "")
	 { 
	  empty[4] = "Wachtwoord(herhalen)";
	
	 }
	if(document.registreer.email.value == "")
	 { 
	  empty[5] = "e-mail";
	
	 }
	
		
	if(empty != 0)
	{
		alert("U heeft de volgende velden niet ingevult:\n" + empty);
		return false;
		}
	else if(document.registreer.password.value != document.registreer.password2.value)
	 {
		 alert("De door u ingevulde wachtwoorden komen niet overeen.");
		 return false;
		 }
    else
	{   
	    return true
		}
	
}


function example()
	 {
		 alert(document.upload.pic_1.value); 
		 example = document.getElementById('example');
		 if(document.upload.pic_1.value != " ")
		  {
			 example.innerHTMl = 'test>'; 
			  }
		 
		 }
	 
	 
function check_login()
 {
	 
	 }

function orderby(order)
{

new Ajax.Request('/handlers/search/users.php?order='+order,
  {
    method:'get',
    onSuccess: function(page)
	{
	  response = page.responseText
      if(response != "")
	  {
	    holder = document.getElementById('users');
		holder.innerHTML = response;
	  }
	  else
	  {
	    holder = document.getElementById('users');
		holder.innerHTML = "Er zijn geen gebruikers gevonden";	
	  }
    }
  })	
	
	
	}

function debug()
 {
new Ajax.Request('/handlers/search/users.php',
  {
    method:'get',
    onSuccess: function(page)
	{ 
	  response = page.responseText
      if(response != "")
	  {
	    holder = document.getElementById('users');
		holder.innerHTML = response;
	  }
	  else
	  {
	    holder = document.getElementById('users');
		holder.innerHTML = "Er zijn geen pagina's gevonden";	
	  }
    }
  })
}



function group_orderby(order)
{

new Ajax.Request('/handlers/search/bwgroup.php?order='+order,
  {
    method:'get',
    onSuccess: function(page)
	{
	  response = page.responseText
      if(response != "")
	  {
	    holder = document.getElementById('group');
		holder.innerHTML = response;
	  }
	  else
	  {
	    holder = document.getElementById('group');
		holder.innerHTML = "Er zijn geen gebruikers gevonden";	
	  }
    }
  })	
	
	
	}

function debug_groups()
 {
new Ajax.Request('/handlers/search/bwgroup.php',
  {
    method:'get',
    onSuccess: function(page)
	{ 
	  response = page.responseText
      if(response != "")
	  {
	    holder = document.getElementById('group');
		holder.innerHTML = response;
	  }
	  else
	  {
	    holder = document.getElementById('group');
		holder.innerHTML = "Er zijn geen pagina's gevonden";	
	  }
    }
  })
 }