// LastModified :
// Date        Ref Who Description
// 30 Jul 2009 4.4 DJM Allow for direct linking to specific tabs


//click to switch between show and hide menu
function showHide(theid,iconid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);
    var icon_id = document.getElementById(iconid);
        if(switch_id.className != 'show') {
            switch_id.className = 'show';
            icon_id.src='/images/minus.gif';
        }else{
            switch_id.className = 'hide';
            icon_id.src='/images/plus.gif';
        }              
    }
}

//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display (or \"\" if no corresponding tab content)]:
//var initialtab=[2, "table"];
// var initialtab: declared & assigned in parent file (content.html) to allow for linking

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

//Disable hyperlinks in 1st level tab images?
var disabletablinks=0; //0 for no (default), 1 for yes
var tabobjlinks=null;
var tabobj=null;
var previoustab="";

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

function expandcontent(cid, aobject){
//alert("it=" + initialtab);
if (disabletablinks==1)
aobject.onclick=new Function("return false");
if (document.getElementById && turntosingle==0){
highlighttab(aobject);
if (previoustab!="")
document.getElementById(previoustab).style.display="none";
if (cid!=""){
document.getElementById(cid).style.display="block";
previoustab=cid;
}}}

function highlighttab(aobject){
if (tabobjlinks == null)
collectddimagetabs();
for (i=0; i<tabobjlinks.length; i++)
tabobjlinks[i].className="";
aobject.className="current";
}

function collectddimagetabs(){
tabobj=document.getElementById("ddimagetabs");
if(tabobj != null)
tabobjlinks=tabobj.getElementsByTagName("A");
}

function do_onload(){
collectddimagetabs();
if(tabobj != null){
expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1]);
}
}

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;