<!--//
function Is() {
    var agent = navigator.userAgent.toLowerCase();
    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);
    this.ns  = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
	  this.ns6 = (this.ns && (this.major  >= 5));
    this.ie   = (agent.indexOf("msie") != -1);
    this.ie4  = (this.ie && (this.major >= 4));
    this.op = (agent.indexOf("opera") != -1);
	  this.op5 = (navigator.userAgent.indexOf("Opera")>-1 && document.getElementById);
	//div stuff, apart vanwege browsers die zich voordeon als ie/ns
	this.divIE = (document.all);
	this.divW3Cref = (document.getElementById)
	this.divW3C = (this.divW3Cref && (this.ns6 || this.op5));
}
var is = new Is();


function start() {

  if (document.getElementById('photoreel')) {
    if (document.getElementById('start')) {
      document.getElementById("photoreel").style.left = "-2010px";
      }
    else if (document.getElementById('pagina') || document.getElementById('info')) {
      document.getElementById('photoreel').style.left = "-1812px";
      } 
    }
    
	delay = 30; //vertraging in millisec
	speed = 1;
	statdyn = "dynamic";
	started = 1;
	// ie
	if (is.divIE) {
		s1 = document.all.photoreel;
		css = s1.style;
		maxw = css.pixelWidth;
		ext = null;
	}
	// dom def appears to work
	if (is.divW3Cref) {
		s1 = document.getElementById('photoreel');
		css = s1.style;
		maxw = s1.offsetWidth; //css.width geeft ook juiste waarde
		ext = "px"; //added extension, did the trick
	}
  if (is.op) {
    return false;
  }
  slideit();
} 

function slideit() {
	if(statdyn == "dynamic"){
		if(parseInt(css.left) <= - ((maxw/3)*2) + 50) {
			css.left = - ((maxw/3) - 50) + ext;
		}
		if(parseInt(css.left) >= -50) {
			css.left = - ((maxw/3) + 50) + ext;
		}
		css.left = parseInt(css.left) - speed + ext;
	}
	if (started != 0) setTimeout("slideit();", delay);
}

//preload
    var iPath='images/fotobalk/';
    var iExt='jpg';

    function preLoad()
    {
    
      if(document.getElementById && document.createTextNode)
      {
        var argLen = arguments.length;
        for(var i = 0; i < argLen; i++)
        {
          var arg = arguments[i];
          
          self[arg] = new Image();
          self[arg].src = iPath + arg + '.' + iExt;
        }
      }
    }
    
 window.onload = function(){
    start();
    }
//-->