//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var sub_initialtab=[1,'lyr2']

//Turn menu into single level image tabs (completely hides 2nd level)?
var sub_turntosingle=0 //0 for no (default), 1 for yes

var sub_cookiename = 'aspace_subtabnav';
////////Stop editting////////////////

var sub_previoustab=""

if (sub_turntosingle==1)
document.write('<style type="text/css">\n#subnavcontainer{display: none;}\n</style>')

function sub_createCookie(name,value,days) {
  if (days) {
    var sub_date = new Date();
    sub_date.setTime(sub_date.getTime()+(days*24*60*60*1000));
    var sub_expires = "; expires="+sub_date.toGMTString();
  }
  else sub_expires = "";
  document.cookie = name+"="+value+sub_expires+"; path=/";
}

function sub_readCookie(name) {
  var sub_nameEQ = name + "=";
  var sub_ca = document.cookie.split(';');
  for(var i=0;i < sub_ca.length;i++) {
    var sub_c = sub_ca[i];
    while (sub_c.charAt(0)==' ') sub_c = sub_c.substring(1,sub_c.length);
    if (sub_c.indexOf(sub_nameEQ) == 0) return sub_c.substring(sub_nameEQ.length,sub_c.length);
  }
  return null;
}

function sub_expandcontent(cid, aobject)
{
    if (document.getElementById){
        sub_createCookie(sub_cookiename, cid, 1);
        sub_highlighttab(aobject);
        if (sub_turntosingle==0){
            if (sub_previoustab!="")
            document.getElementById(sub_previoustab).style.display="none"
            document.getElementById(cid).style.display="block"
            sub_previoustab=cid
        }
    }
}

function sub_highlighttab(aobject){
    if (typeof sub_tabobjlinks=="undefined")
    {
        sub_collecttablinks()
    }
    for (i=0; i<sub_tabobjlinks.length; i++) {
        sub_tabobjlinks[i].className=""
    }
    aobject.className="current"
}

function sub_collecttablinks(){
var sub_tabobj=document.getElementById("tablistinside")
sub_tabobjlinks=sub_tabobj.getElementsByTagName("A")
}

function sub_do_onload(){
    sub_collecttablinks()
    // This gets the first element
    // in the subnavcontainer
    var sub_content=document.getElementById("subnavcontainer");
    if(sub_content){
	    sub_cdiv=sub_content.getElementsByTagName("div");

	    var sub_cookievalue = sub_readCookie(sub_cookiename);
	    var sub_tablink = document.getElementById(sub_cookievalue+'-link');
	    if(sub_cookievalue && sub_tablink) {
	        var sub_tablink = document.getElementById(sub_cookievalue+'-link');
	        sub_expandcontent(sub_cookievalue, sub_tablink);
	    } else {
	        sub_expandcontent(sub_cdiv[0].id, sub_tabobjlinks[sub_initialtab[0]-1]);
	    }	
    }
    
    
}

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