function createXMLHttpRequest()
{
var page_request=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  page_request=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    page_request=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    page_request=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return page_request;
}
//========================================================================================================================
function requestGET(url, containerid)
{
	page_request = createXMLHttpRequest()

	page_request.onreadystatechange=function()
	{
		loadpage(page_request, containerid)
	}
	page_request.open('GET', url, true)
	page_request.send(null)
}
//========================================================================================================================

function requestPOST(url,params,containerid) {
    page_request = createXMLHttpRequest();
	
    page_request.open("POST", url, true);
	page_request.onreadystatechange=function()
	{
		loadpage(page_request, containerid)
	}
    page_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");   
	page_request.setRequestHeader("Content-length", params.length); 
	page_request.setRequestHeader("Connection", "close");
    page_request.send(params);
}
//========================================================================================================================
function loadpage(page_request, containerid)
{
   document.getElementById(containerid).innerHTML='<img src="ajax-loader.gif" align="middle" class="loader">';
   if (page_request.readyState==4)
   {
      if(page_request.status == 200)
      { 
	  	if (trim(page_request.responseText) == "") {return false;}

        document.getElementById(containerid).innerHTML=page_request.responseText;
		
		if (!document.getElementById("success")){}
		else
		{
			if (document.getElementById("success").value == 1)
			{
				document.getElementById("button").disabled = true;	
			}
			
		}

      } 
	  else
	  {
	  	alert("Probleem met het request!" + page_request.responseText);
	  }
   }	
}
//========================================================================================================================

function GetFoto(id,soort)
{
	if (trim(id) == "") {return false;}
	
	param = '?ID=' + id + '&soort=' + soort;
	requestGET('get.php' + param, 'fotogroot');


}

function GetFoto2(id,id2)
{
	if (trim(id) == "") {return false;}
	
	param = '?ID=' + id + '&ID2=' + id2;
	requestGET('get2.php' + param, 'tekst');


}

function GetFoto3(id,id2)
{
	if (trim(id) == "") {return false;}
	
	param = '?ID=' + id + '&ID2=' + id2;
	requestGET('get3.php' + param, 'tekst');


}

function GetFoto4(id,id2)
{
	if (trim(id) == "") {return false;}
	
	param = '?ID=' + id + '&ID2=' + id2;
	requestGET('get4.php' + param, 'tekst');


}








//========================================================================================================================

function trim(value) {
	if (value != '')
	{
		value = value.replace(/^\s+/,'');
		value = value.replace(/\s+$/,'');
		value = value.replace('%20','');
		return value;
	}
	else
	{
		return '';
	}
}
//========================================================================================================================