// set the select menu option active and all the other to inactive
function setMenuOptionActive(optionName)
{
  // get hold of all of the hyperlinks on the page
  var hyperlinks = document.getElementsByTagName("a");

  // loop through all of the hyperlinks
  for (var i=0; i < hyperlinks.length; i++)
  {
    // if the id of the hyperlink is "menu_item" then ...
    if (hyperlinks[i].id.substring(0,9).match("menu_item"))
    {
      // get hold of a handle to the menu item
      var menuItem = hyperlinks[i];

      // if this is the link we want to set acive then ...
      if (menuItem.id.match(optionName))
      {
        // set the class to active so that this option is active
        menuItem.className = "menu_item_active";
      }
      else
      {
        // clear the class so that this option is not active
        menuItem.className = "menu_item";
      }
    }
  }
}

function updateMenuOption(optionName,frameTarget)
{
  loadintoIframe('content_frame', frameTarget);

  setMenuOptionActive(optionName);
}

/***********************************************
* IFrame SSI script II- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
* Visit DynamicDrive.com for hundreds of original DHTML scripts
* This notice must stay intact for legal use
***********************************************/

//Input the IDs of the IFRAMES you wish to dynamically resize to match its content height:
//Separate each ID with a comma. Examples: ["myframe1", "myframe2"] or ["myframe"] or [] for none:
//var iframeids=["myframe"]

//Should script hide iframe from browsers that dont support this script (non IE5+/NS6+ browsers. Recommended):
var iframehide="yes"

var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
var FFextraHeight=parseFloat(getFFVersion)>=0.1? 16 : 0 //extra height in px to add to iframe in FireFox 1.0+ browsers

function resizeCaller()
{
  var dyniframe=new Array()

  for (i=0; i<iframeids.length; i++)
  {
    if (document.getElementById)
      resizeIframe(iframeids[i]);

    //reveal iframe for lower end browsers? (see var above):
    if ((document.all || document.getElementById) && iframehide=="no")
    {
      var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i])
      tempobj.style.display="block"
    }
  }
}

function resizeIframe(frameid)
{
  var currentfr=document.getElementById(frameid)

  if (currentfr && !window.opera)
  {
    currentfr.style.display="block"

    if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) //ns6 syntax
      currentfr.height = currentfr.contentDocument.body.offsetHeight+FFextraHeight;
    else if (currentfr.Document && currentfr.Document.body.scrollHeight) //ie5+ syntax
      currentfr.height = currentfr.Document.body.scrollHeight;

    if (currentfr.addEventListener)
      currentfr.addEventListener("load", readjustIframe, false)
    else if (currentfr.attachEvent)
    {
      currentfr.detachEvent("onload", readjustIframe) // Bug fix line

      currentfr.attachEvent("onload", readjustIframe)
    }
  }
}

function readjustIframe(loadevt)
{
  var crossevt=(window.event)? event : loadevt
  var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement

  if (iframeroot)
    resizeIframe(iframeroot.id);
}

function loadintoIframe(iframeid, url)
{
  if (document.getElementById)
    document.getElementById(iframeid).src=url
}