HER ER HELE SCRIPTET!!!:
<html style="Width: 310px; Height: 150px;">
<head>
<title>Hyperlink Editor</title>
<style type="text/css">
<!--
td { font-family: arial;
     font-size: 8pt; }
select { font-family: arial;
         font-size: 8pt; }
input     { font-family: arial;
         font-size: 8pt; }
-->
</style>
<script language="javascript">
document.title = "HyperLink Editor";
var myValues = window.dialogArguments;
var URLtext = myValues.href_attribute;
var highlightedText = myValues.highlightedText;
var target = myValues.tar_attribute;
var linkText = myValues.linkText;
function returnSelected() {
  // if being edited, REMOVE old link.
    var text = escape( "<a href='" );
    text = text + escape( document.set.link_value.value );
    if (target != "") {
      text = text + escape( "' target='" );
      text = text + escape( target );
  }
    text = text + escape( "'>" );
     // modified by barry hunter to use text as inputed rather than from a text box (as likey to contain html code!)
    if (linkText == '') { text = text + escape( highlightedText ); }
    else { text = text + escape( linkText ); }
    text = text + escape( "</a>" );
    window.returnValue = text;          // set return value
    window.close();                     // close dialog
}
// Now, if a person changes the protocol AFTER having entered the
// link, the inputted link info isn't erased.
function myChange() {
  var selectedItem          = document.set.type.selectedIndex;
  var selectedItemValue     = document.set.type.options[selectedItem].value;
  var selectedItemText      = document.set.type.options[selectedItem].text;
  var inputtedText              = document.set.link_value.value;
  var protocol = document.set.link_value.value.split(":");
  if (protocol[1]) {
     var datum = protocol[1].replace(/^\/\//, "");
    }
    else {
       var datum = protocol[0];
    }
    document.set.link_value.value = selectedItemValue + datum;
}
function updateTarget() {
  var selectedItem                 = document.set.target.selectedIndex;
    var selectedItemValue        = document.set.target.options[selectedItem].value;
  target = selectedItemValue;
}
function updateForm() {
    if (URLtext != '') {
        // 1. set protocol
    var compare = URLtext.substring(0,5);
    for (i=0; i<document.set.type.length; i++) {
          if (document.set.type.options[i].value.search(compare) != -1) {
                document.set.type.options[i].selected = true;
            }
        }
      // 2. set link URL
        URLtext = URLtext.replace(/\/\/\//, "//");
        document.set.link_value.value = URLtext;
    }
    // 3. set link text
    // modified by barry hunter to store text in a global variable (as likey to contain html code!)
    if (linkText == '') { desc = highlightedText; }
    else { desc = linkText; }
    // 4. set target
    if (target != '') {
    for (i=0; i<document.set.target.length; i++) {
      if (document.set.target.options[i].value.search(target) != -1) {
            document.set.target.options[i].selected = true;
          }
      }
    }
}
</script>
</head>
<body style="background: threedface; color: windowtext;" topmargin=5 leftmargin=0 onload="updateForm();">
<center>
<form method="post" name="set">
<table cellpadding="0" cellspacing="0" border="0" align="center">
<tr>
<td align="center">
<fieldset align="center" width="290">
<legend align="left">Hyperlink Information</legend>
<table border="0" cellspacing="4" align="center">
    <tr>
      <td align="right" nowrap="nowrap" width="40">Type: </td>
      <td nowrap="nowrap">
        <select name="type" onchange="java script: myChange();">
              <option value="
http://" selected>HTTP
                <option value="
https://">HTTPS            <option value="mailto:">Email
                <option value="
file://">File                <option value="
ftp://">FTP              </select>
      </td>
        <td align="right">Target: </td>
      <td><select name="target" onChange="java script: updateTarget();">
                <option value="">{Default}
              <option value="_blank">New Window
              </select>
            </td>
    </tr>
    <tr>
      <td align="right" nowrap="nowrap">Link: </td>
      <td nowrap="nowrap" colspan="3">
        <input type="text" name="link_value" value="
http://" size="35">    
      </td>
    </tr>
  </table>
    </fieldset>
</td>
</tr>
<tr>
  <td colspan="2" align="center">
    <table cellpadding="3">
        <tr><td align="center">
          <input type="hidden" value="" name="empty">
          <input type="button" value=" OK " onClick="returnSelected()">
        <input type="button" value="Cancel" onClick="window.close()">
        </td></tr></table>
        </form>  
</center>
</body>
</html>