Programming Forums - Dreamweaver Navigation bar problems

All the script is written by dreamweaver:
<html>

<head>

<title>Untitled Document</title>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

<script language="JavaScript">

<!--

function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_findObj(n, d) { //v3.0

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;

}



function MM_nbGroup(event, grpName) { //v3.0

  var i,img,nbArr,args=MM_nbGroup.arguments;

  if (event == "init" && args.length > 2) {

    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {

      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;

      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();

      nbArr[nbArr.length] = img;

      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {

        if (!img.MM_up) img.MM_up = img.src;

        img.src = img.MM_dn = args[i+1];

        nbArr[nbArr.length] = img;

    } }

  } else if (event == "over") {

    document.MM_nbOver = nbArr = new Array();

    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {

      if (!img.MM_up) img.MM_up = img.src;

      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];

      nbArr[nbArr.length] = img;

    }

  } else if (event == "out" ) {

    for (i=0; i < document.MM_nbOver.length; i++) {

      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }

  } else if (event == "down") {

    if ((nbArr = document[grpName]) != null)

      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }

    document[grpName] = nbArr = new Array();

    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {

      if (!img.MM_up) img.MM_up = img.src;

      img.src = img.MM_dn = args[i+1];

      nbArr[nbArr.length] = img;

  } }

}

//-->

</script>

</head>



<body bgcolor="#FFFFFF" onLoad="MM_preloadImages('images/DaMag_b1.jpg','images/DaMag_d1.jpg','images/DaMag_e1.jpg','images/DaMag_f1.jpg','images/DaMag_c.jpg')" style="margin:0">

<table border="0" cellpadding="0" cellspacing="0" style="margin:0">



  <tr>

    <td><img src="images/DaMag_a.jpg" width="198" height="15"></td>

  </tr>

  <tr> 

<td> <a href="#" onClick="MM_nbGroup('down','group1','who are we?','images/DaMag_b1.jpg',1)" onMouseOver="MM_nbGroup('over','who are we?','images/DaMag_b1.jpg','images/DaMag_b1.jpg',1)" onMouseOut="MM_nbGroup('out')"><img name="who are we?" src="images/DaMag_b.jpg" border="0" onLoad="" width="198" height="25"></a></td>

  </tr>

  <tr> 

<td> <a href="#" onClick="MM_nbGroup('down','group1','DaMag','images/DaMag_c.jpg',1)" onMouseOver="MM_nbGroup('over','DaMag','images/DaMag_c.jpg','',1)" onMouseOut="MM_nbGroup('out')"> 

      <img name="DaMag" src="images/DaMag_c.jpg" border="0" onLoad="" align="top" width="198" height="25"></a> 

    </td>

  </tr>

  <tr> 

<td><a href="#" onClick="MM_nbGroup('down','group1','psynapse@tribe','images/DaMag_d1.jpg',1)" onMouseOver="MM_nbGroup('over','psynapse@tribe','images/DaMag_d1.jpg','images/DaMag_d1.jpg',1)" onMouseOut="MM_nbGroup('out')"><img name="psynapse@tribe" src="images/DaMag_d.jpg" border="0" onLoad="" align="top" width="198" height="25"></a> 

    </td>

  </tr>

  <tr> 

<td><a href="#" onClick="MM_nbGroup('down','group1','join mailing list','images/DaMag_e1.jpg',1)" onMouseOver="MM_nbGroup('over','join mailing list','images/DaMag_e1.jpg','',1)" onMouseOut="MM_nbGroup('out')"><img name="join mailing list" src="images/DaMag_e.jpg" border="0" onLoad="" align="top" width="198" height="25"></a> 

    </td>

  </tr>



  <tr> 

 <td> <a href="#" onClick="MM_nbGroup('down','group1','guestbook','images/DaMag_f1.jpg',1)" onMouseOver="MM_nbGroup('over','guestbook','images/DaMag_f1.jpg','',1)" onMouseOut="MM_nbGroup('out')"> 

      <img name="guestbook" src="images/DaMag_f.jpg" border="0" onLoad="" align="top" width="198" height="25"></a> 

    </td>

  </tr>



  <tr>

    <td><img src="images/DaMag_g.jpg" width="198" height="25"></td>

  </tr>

</table>

</body>

</html>