function load(pagina,zoek_id) {

    switch(pagina) {
        case 'zoekgroot':
            url = "/index.php?action=zoekgroot";
            break;
        
        case 'zoekklein':
            url = "/index.php?action=zoekklein&zoek_id="+zoek_id;
            break;

        default:
            url = "/leeg.html";
            break;
    }
    
    // deze functie wordt aangeroepen door http.get wanneer de aanvraag gelukt is
    // response bevat het antwoord va de php (response.responseText of response.responseXML)
    function onComplete(response) {
        document.getElementById('zoekbox').innerHTML = response.responseText;
    }
    // de pagina ophalen en de onComplete functie aanroepen als het gelukt is
    http.get(url, onComplete);
    
    // de links stoppen indien nodig
    return false;
}

/**********************************************************

			    Copyright 2006 Andreas Creten


			Filename: HTTP.js
			Discription: HTTPObjectRequest script
***********************************************************/
http = new Object();

http._xmlobjects = [
	function() { return new XMLHttpRequest(); },
	function() { return new ActiveXObject("Msxml2.XMLHTTP"); },
	function() { return new ActiveXObject("Microsoft.XMLHTTP"); }
];

http._xmlobject = null;

http.newRequest = function() {
	if(http._xmlobject != null) return http._xmlobject();
	
	for(var i = 0; i < http._xmlobjects.length; i++) {
		try {
			var xmlobject = http._xmlobjects[i];
			var request = xmlobject();
			if (request != null) {
				http._xmlobject = xmlobject;
				return request;
			}
		}
		catch(e) {
			continue;
		}
	}
	
	http._xmlobject = function() {
		throw new Error("XMLHttpRequest not supported");
	}
	
	http._xmlobject();
}

http.handleReadyState = function(readyState) {
		switch(readyState)
		{
			case 0:
				// nog niet geïnitialiseerd en verbonden
				http.readyState0();
				break;
				
			case 1:
				// Bezig met laden
				http.readyState1();
				break;
				
			case 2:
				// Geladen
				http.readyState2();
				break;
				
			case 3:
				// Interactief
				http.readyState3();
				break;
		
			case 4:
				// Volledig geladen
				http.readyState4();
				break;
		}
}

http.handleHTTPStatus = function(status) {
		switch(status) {
			case 200:
				// OK
				http.status200();
				break;
				
			case 400:
				// Bad Request
				http.status400();
				break;
				
			case 401:
				// Unauthorized
				http.status401();
				break;
				
			case 403:
				// Forbidden
				http.status403();
				break;
		
			case 404:
				// Not Found
				http.status404();
				break;
			
			case 500:
				// Internal Server Error
				http.status500();
				break;
		}
}

http.get = function(url, handleResponse) {

	var request = null;
	var request = http.newRequest();

	request.onreadystatechange = function() {
/*		http.handleReadyState(request.readyState);
		http.handleHTTPStatus(request.status);
		*/
		if(request.readyState == 4) {
				if(handleResponse)
					handleResponse(request);
				else http.handleResponse(request);
			
		}
	}

	request.open("GET", url);
	request.send(null);
	
	return request;
}

http.post = function(url, handleResponse, t_parameters){

	var parameters = "";
	var parameter_count = null;
	var request = null;
	var request = http.newRequest();

	request.onreadystatechange = function() {
		http.handleReadyState(request.readyState);
		http.handleHTTPStatus(request.status);

		if(request.readyState == 4) {
			if(request.status == 200) {
				if(handleResponse)
					handleResponse(request);
				else http.handleResponse(request);
			}
		}
	}
	
	for(parameter in t_parameters) {
		parameter_count++;
		if(parameter_count != 1) parameters += "&";
		parameters += parameter+"="+t_parameters[parameter];
	}

	request.open("POST", url, true);
	
	request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	request.setRequestHeader("Content-length", parameters.length);
	request.setRequestHeader("Connection", "close");

	request.send(parameters);
	
	return request;
}

// functies die aangemaakt kunnen worden voor een preloader ofzo
http.readyState0 = function(){};
http.readyState1 = function(){};
http.readyState2 = function(){};
http.readyState3 = function(){};
http.readyState4 = function(){};

//
http.status200 = function(){}; // OK
http.status400 = function(){}; // Bad Request
http.status401 = function(){}; // Unauthorized
http.status403 = function(){}; // Forbidden
http.status404 = function(){}; // Not Found
http.status500 = function(){}; // Internal Server Error
//
// krijgt als invoer het request object
http.handleResponse = function(request){ error.set('handleResponse function not set!'); };

/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[15,25]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.

var defaultimageheight = 40;	// maximum image size.
var defaultimagewidth = 40;	// maximum image size.

var timer;

function gettrailobj(){
if (document.getElementById)
return document.getElementById("preview_div").style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("preview_div")
}


function truebody(){
//return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}


function hidetrail(){
	gettrailobj().display= "none";
	document.onmousemove=""
	gettrailobj().left="-500px"
	clearTimeout(timer);
}

function showtrail(imagename,title,width,height){
	i = imagename
	t = title
	w = width
	h = height
	timer = setTimeout("show('"+i+"',t,w,h);",200);
}
function show(imagename,title,width,height){

    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';

		width+=30
		height+=55
		defaultimageheight = height
		defaultimagewidth = width

		document.onmousemove=followmouse;

if (imagename.substr(imagename.length-4, 4) == '.flv') {

newHTML = '<div class="border_preview" ><div id="loader_container"></div>';
			newHTML = newHTML + '<div class="preview_temp_load"><object id="previewImage" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="' + (width-30) +'" height="' + (height-55) + '">\n\
<param name="allowScriptAccess" value="sameDomain" /> \n\
<param name="allowFullScreen" value="true" /> \n\
<param name="quality" value="high"> \n\
<param name="menu" value="false"> \n\
<param id="nameValueFLV" name="movie" value="/themes/default/images/popup-player.swf?titleVideo=' + imagename + '" />\n\
<param name="quality" value="high" /> \n\
<param name="bgcolor" value="#010101" /> \n\
<embed src="/themes/default/images/popup-player.swf?titleVideo=' + imagename + '" quality="high" menu="false" bgcolor="#010101"  width="' + (width-30) +'" height="' + (height-55) + '" name="video" align="middle" allowScriptAccess="sameDomain" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></embed> \n\
</object></div>';

} else {
		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">Loading template preview...</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
    	newHTML = newHTML + '<div class="preview_temp_load"><img id="previewImage" onload="javascript:remove_loading();" src="' + imagename + '" border="0"></div>';

}
	newHTML = newHTML + '</div>';

		if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
			var ie_iframe_width = width - 10;
			var ie_iframe_height = height - 5;
			newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+ie_iframe_width+'" height="'+ie_iframe_height+'"></iframe>';
		}

		gettrailobjnostyle().innerHTML = newHTML;
		gettrailobj().display="block";
	}
        if(document.getElementById('previewImage').complete)
            remove_loading();//chrome does not throw onload event if object was cashed
}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
                if (navigator.userAgent.indexOf("Safari")!=-1 || navigator.userAgent.indexOf("Chrome")!=-1){
                   sTop = window.pageYOffset;
                } else {
                    sTop = truebody().scrollTop;
                }
		if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - sTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;

function animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
if (pos==0) len += dir;
if (len>32 || pos>79) pos += dir;
if (pos>79) len -= dir;
if (pos>79 && len==0) pos=0;
elem.style.left = pos+"px";
elem.style.width = len+"px";
}
}

function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}