var tmp          = new Image();
var newImage	 = new Image();

var block        = false;

var ImageName    = "http://www.wonnemeyer.com/webcam/pic.php?";

newImage.src = ImageName + (new Date()).getTime();

function WebCamImageLoop(){

//  alert("test loop");

  document.view3 = document.view2;
  document.view2 = document.view1;

  if (block) {
    document.view1 = tmp;
    tmp = newImage;
  } else {
    document.view1  = document.webcam;
    document.webcam = newImage;
  }

  newImage       = new Image();
  newImage.src   = ImageName + (new Date()).getTime();
  setTimeout("WebCamImageLoop()",65000);
}

function changeImage( val ) {
    //alert("test chnageimage");
    if (block)
        return;
    switch (val) {
        case 1:
            obj = document.view1;
            break;
        case 2:
            obj = document.view2;
            break;
        case 3:
            obj = document.view3;
            break;
    }
    if (obj.src != 'http://www.wonnemeyer.com/img/leer.gif') {
        block = true;
        tmp = document.webcam;
        document.webcam = obj;
        setTimeout('changeImageBack()',5000);
    }
}

function changeImageBack(){
    document.webcam = tmp;
    block = false;
}