// randImg.js

function loadRandImg(){
  if(document.getElementById('randImg')){
    prevImg = document.getElementById('randImg').src;
  }
  else{
    prevImg = 0;
  }
  with(new AjaxEngine()){
    url = '/scripts/getRandImg.php';
    params = 'prevImg=' + escape(prevImg);
    successHandler = showImg;
    sendRequest();
  }
}

function showImg(responseText, responseXML){
	if(document.getElementById('randImgP')){
		document.getElementById('randImgP').innerHTML = responseText;
	}
}

function neu_laden() {
 var Heute = new Date();
 if (Heute.getSeconds() == 0 ||
    Heute.getSeconds() == 10 ||
    Heute.getSeconds() == 20 ||
    Heute.getSeconds() == 30 ||
    Heute.getSeconds() == 40 ||
    Heute.getSeconds() == 50) {
  loadRandImg();
 }
}

window.onload = function(){
  loadRandImg();
  setInterval('neu_laden()', 1000);
}