// JavaScript Document

// Set Display to Visible
function setVisible(showID) {
	document.getElementById(showID).style.visibility = 'visible';
}

function setHidden(hideID) {
	document.getElementById(hideID).style.visibility = 'hidden';	
}

// Image Rollovers
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
// Tabbed Browsing

//a public function that the container uses to pass in values for the labels
function public_Labels(label1, label2, label3) {
	
	t1.innerText = label1;
	t2.innerText = label2;
	t3.innerText = label3;
}

//a public function that the container uses to pass in values for the card containers
function public_Contents(contents1, contents2, contents3, contents4) {

	t1Contents.innerHTML = contents1;
	t2Contents.innerHTML = contents2;
	t3Contents.innerHTML = contents3;

	init();
}

//sets the default display to tab 1
function init() {
	tabContents.innerHTML = t1Contents.innerHTML;
}	

//this is the tab switching function
var currentTab;
var tabBase;
var firstFlag = true;


function changeTabs() {
	if(firstFlag == true){
		currentTab = t1;
		tabBase = t1base;
		firstFlag = false;
	}

	if(window.event.srcElement.className == "tab") {
		currentTab.className = "tab";
		tabBase.style.backgroundColor = "white";
		currentTab = window.event.srcElement;
		tabBaseID = currentTab.id + "base";
		tabContentID = currentTab.id + "Contents";
		tabBase = document.all(tabBaseID);
		tabContent = document.all(tabContentID);
		currentTab.className = "selTab";		
		tabBase.style.backgroundColor = "";
		tabContents.innerHTML = tabContent.innerHTML;
	}
}



// + - Tree Menus 
function toggleNav(objID) {
	if (!document.getElementById) 
	return;
	
	var ob = document.getElementById(objID).style;
	ob.display = (ob.display == 'block')?'none': 'block';

	var head = document.getElementById("header_" + objID)

	if (ob.display == 'block')
		head.innerHTML = head.innerHTML.replace("[+]","[-]")
	else
		head.innerHTML = head.innerHTML.replace("[-]","[+]")
}