document.getElementsByClassName = function(cl) {
  var retnode = [];
  var myclass = new RegExp('\\b'+cl+'\\b');
  var elem = this.getElementsByTagName('img');
  for (var i = 0; i < elem.length; i++) {
    var classes = elem[i].className;
    if (myclass.test(classes)){
      retnode.push(elem[i]);
      //alert(elem[i].width);
      if(elem[i].width>380){
        elem[i].width=350;
      }
    }
  }
  return retnode;
}; 
function doit() {
  // add code to run when window is completely loaded (e.g. make an alert)
  //alert("window loaded");
  document.getElementsByClassName('bbimage');
}

if(window.onload) {
  var temp = window.onload;
  window.onload=function(e) {
    temp(e);
    doit();
  };
}
else{
  window.onload=function(e) {
    doit();
  };
}

function folderpw(wohin){
  Check = prompt("Passwort für diesen Ordner", "");
  if(Check)document.location.href=wohin+'&pass='+Check;
}