function verifySearch () {
  var rSearch=new RegExp("^[\\|\\?\\+\\{\\*\\{\\}\\[\\]\\(\\)\\\\\]{1}","i");
  var oSearch=document.getElementById("rech");
  if (rSearch.test(oSearch.value)) {
    alert("Deze zoekterm is niet toegestaan.");
    return false;
  }
}
function initSearch() {
  var aRequest=document.location.search.substr(1).split(/&/g);
  for(var r=0;r<aRequest.length;r++) {
    aParam=aRequest[r].split(/=/g);
    if(aParam[0]=="search") {
      var oInput=document.getElementById("rech");
      oInput.value=unescape(aParam[1]).replace(/\+/g," ");
      break;
    }
  }
}
if(window.aOnLoad) {
  aOnLoad[aOnLoad.length]=initSearch;
} else {
  var aOnLoad=new Array();
  aOnLoad[0]=initSearch;
  function doOnLoad() {
    for(var ol=0;ol<aOnLoad.length;ol++) {
      aOnLoad[ol]();
    }
  }
  window.onload=doOnLoad;
}