Aline: IE vergisst den Text

Beitrag lesen

Hi!

ich habe wieder ein merkwürdiges Internet Explorer Problem...

Warum vergisst der Internet Explorer den Text, wenn auf die Dropdownbox mehr als 1 mal geklickt wird?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">  
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="de" xml:lang="de">  
<head>  
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />  
<title>Test</title>  
<script type="text/javascript">
// <![CDATA[  
var dummyOptions = new Array();  
  
function createDummyOptions(obj){  
  var optgroups = obj.getElementsByTagName("optgroup");  
  var options;  
  var newEntry;  
  
  if(dummyOptions.length != optgroups.length){  
    for (var i = 0; i < optgroups.length; i++){  
      options = optgroups[i].getElementsByTagName("option");  
  
      newEntry = document.createElement("option");  
      newEntry.appendChild(document.createTextNode(options[0].text));  
      newEntry.value = options[0].value;  
  
      dummyOptions.push(newEntry);  
    }  
  }  
}  
  
function deleteDummyOption(obj){  
  var optgroups = obj.getElementsByTagName("optgroup");  
  var counter = 0;  
  var options;  
  
  for (var i = 0; i < optgroups.length; i++){  
    options = optgroups[i].getElementsByTagName("option");  
    counter += options.length;  
  
    if(options.length == 1){  
      obj.options[counter-1] = null;  
    }  
  }  
}  
  
function restoreDummyOptions(obj){  
  var optgroups = obj.getElementsByTagName("optgroup");  
  var counter = 0;  
  var options;  
  
  for (var i = 0; i < optgroups.length; i++){  
    options = optgroups[i].getElementsByTagName("option");  
    counter += options.length;  
  
    if(options.length == 0){  
      optgroups[i].appendChild(dummyOptions[i]);  
      alert(obj.options[counter].value + " " + obj.options[counter].text);  
    }  
  }  
}  
// ]]>
</script>  
</head>  
<body onload="createDummyOptions(document.forms[0].list)">  
  <form method="post" action="">  
    <p>  
      <select name="list" size="15" onclick="deleteDummyOption(this, 1); restoreDummyOptions(this);">  
        <optgroup label="Test">  
          <option value="test">TEST</option>  
        </optgroup>  
      </select>  
    </p>  
  </form>  
</body>  
</html>

Opera und Firefox sind nicht so vergesslich

Aline