/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

function getDocHeight(doc)
{
    var docHt = 0, sh, oh;
    
    if (doc.height)
    {
        docHt = doc.height;
    }
    else if (doc.body)
    {
        if (doc.body.scrollHeight) docHt = sh = doc.body.scrollHeight;
        if (doc.body.offsetHeight) docHt = oh = doc.body.offsetHeight;
        if (sh && oh) docHt = Math.max(sh, oh);
    }
    
    return docHt;
}

function setIframeHeight(iframeName)
{
    var iframeWin = window.frames[iframeName];
    var iframeEl = document.getElementById ? document.getElementById(iframeName) : document.all ? document.all[iframeName] : null;
    if (iframeEl && iframeWin)
    {
        iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous  
        var docHt = getDocHeight(iframeWin.document);
        // need to add to height to be sure it will all show
        if (docHt) iframeEl.style.height = docHt + "px";
    }
}

function loadIframe(iframeName, url)
{
    if (window.frames[iframeName])
    {
        window.frames[iframeName].location = url;   
        return false;
    }
    else 
    {
        return true;
    }
}

function setParentHeight()
{
    if (parent == window)
    {
        return;
    }
    else 
    {
        parent.setIframeHeight('categoryFrame');
    }
}