var enablepersist="on" 

if (document.getElementById)
{
    document.write('<style type="text/css">')
    document.write('.switchcontent{display:none;}')
    document.write('</style>')
}

function getElementbyClass(classname)
{
    ccollect=new Array()
    var inc=0
    var alltags=document.all? document.all : document.getElementsByTagName("*")
    for (i=0; i<alltags.length; i++)
	{
        if (alltags[i].className==classname)
        ccollect[inc++]=alltags[i]
    }
}

function contractcontent(omit)
{
    var inc=0
    while (ccollect[inc])
	{
        if (ccollect[inc].id!=omit)
            ccollect[inc].style.display="none"
            inc++
    }
}

function expandcontent(cid)
{
    if (typeof ccollect!="undefined")
	{
        contractcontent(cid)
        document.getElementById(cid).style.display=
		(document.getElementById(cid).style.display!="block")? "block" : "none"
        selectedItem=cid+"|"+document.getElementById(cid).style.display
    }
}

function revivecontent()
{
    selectedItem=getselectedItem()
    selectedComponents=selectedItem.split("|")
    contractcontent(selectedComponents[0])
    document.getElementById(selectedComponents[0]).style.display=selectedComponents[1]
}

function get_cookie(Name) 
{ 
    var search = Name + "="
    var returnvalue = "";
    if (document.cookie.length > 0) 
	{
        offset = document.cookie.indexOf(search)
        if (offset != -1) 
		{ 
            offset += search.length
            end = document.cookie.indexOf(";", offset);
            if (end == -1) end = document.cookie.length;
            returnvalue=unescape(document.cookie.substring(offset, end))
        }
    }
    return returnvalue;
}

function getselectedItem()
{
    if (get_cookie(window.location.pathname) != "")
	{
        selectedItem=get_cookie(window.location.pathname)
        return selectedItem
    }
    else
        return ""
}

function saveswitchstate()
{
    if (typeof selectedItem!="undefined")
    document.ignore=window.location.pathname+"="+selectedItem
}

function do_onload()
{
    getElementbyClass("switchcontent")
    if (enablepersist=="on" && getselectedItem()!="")
    revivecontent()
}


if (window.addEventListener)
    window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
    window.attachEvent("onload", do_onload)
else if (document.getElementById)
    window.onload=do_onload

if (enablepersist=="on" && document.getElementById)
    window.onunload=saveswitchstate

function preloadImages(imgObject,imgSource) 
{
    if (document.images) 
    {
        eval(imgObject+' = new Image()')
        eval(imgObject+'.src = "'+imgSource+'"')
    }
}

preloadImages('image1x','images/menu_bar/home.gif')
preloadImages('image1y','images/menu_bar/home_a.gif')
preloadImages('image2x','images/menu_bar/about.gif')
preloadImages('image2y','images/menu_bar/about_a.gif')
preloadImages('image3x','images/menu_bar/contactus.gif')
preloadImages('image3y','images/menu_bar/contactus_a.gif')
preloadImages('image4x','images/menu_bar/calevnts.gif')
preloadImages('image4y','images/menu_bar/calevnts_a.gif')
preloadImages('image5x','images/menu_bar/alzeimdis.gif')
preloadImages('image5y','images/menu_bar/alzeimdis_a.gif')
preloadImages('image6x','images/menu_bar/ihvalzeimdis.gif')
preloadImages('image6y','images/menu_bar/ihvalzeimdis_a.gif')
preloadImages('image7x','images/menu_bar/famsupser.gif')
preloadImages('image7y','images/menu_bar/famsupser_a.gif')
preloadImages('image8x','images/menu_bar/pubedu.gif')
preloadImages('image8y','images/menu_bar/pubedu_a.gif')
preloadImages('image9x','images/menu_bar/prcs.gif')
preloadImages('image9y','images/menu_bar/prcs_a.gif')
preloadImages('image10x','images/menu_bar/hych.gif')
preloadImages('image10y','images/menu_bar/hych_a.gif')
preloadImages('image11x','images/menu_bar/news.gif')
preloadImages('image11y','images/menu_bar/news_a.gif')
preloadImages('image12x','images/menu_bar/privacy.gif')
preloadImages('image12y','images/menu_bar/privacy_a.gif')
preloadImages('image13x','images/menu_bar/feedback.gif')
preloadImages('image13y','images/menu_bar/feedback_a.gif')
preloadImages('image14x','images/menu_bar/links.gif')
preloadImages('image14y','images/menu_bar/links_a.gif')
preloadImages('image15x','images/menu_bar/sitemap.gif')
preloadImages('image15y','images/menu_bar/sitemap_a.gif')
preloadImages('image16x','images/menu_bar/disclaimer.gif')
preloadImages('image16y','images/menu_bar/disclaimer_a.gif')
preloadImages('image17x','images/menu_bar/saa.gif')
preloadImages('image17y','images/menu_bar/saa_a.gif')
preloadImages('image18x','images/menu_bar/firstlink.gif')
preloadImages('image18y','images/menu_bar/firstlink_a.gif')

function changeImages() 
{
    if (document.images) 
    {
        for (var i = 0; i < changeImages.arguments.length; i += 2) 
	    { 
		    document[changeImages.arguments[i]].src = 
		    eval(changeImages.arguments[i+1] + ".src");
        }
    }
}

function loadURL() 
{
  var i, args=loadURL.arguments; document.returnValue = false;
  for (i = 0; i < (args.length-1); i += 2) 
      eval(args[i]+".location='"+args[i+1]+"'");
}