// JavaScript Document
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];}
}
//-->

function toggleVisibility(id, NNtype, IEtype, WC3type) {
    if (document.getElementById) {
        eval("document.getElementById(id).style.visibility = \"" + WC3type + "\"");
    } else {
        if (document.layers) {
            document.layers[id].visibility = NNtype;
        } else {
            if (document.all) {
                eval("document.all." + id + ".style.visibility = \"" + IEtype + "\"");
            }
        }
    }
}
//toggles layer visibility on and off

function show(id) {
	document.getElementById(id).style.visibility = "visible";
}
function hide(id) {
	document.getElementById(id).style.visibility = "hidden";
}

function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
	var element = arguments[i];
	if (typeof element == 'string')
		element = document.getElementById(element);
	if (arguments.length == 1)
		return element;
		elements.push(element);
	}
	return elements;
}

function collapseAll(objs) {
	var i;
	for (i=0;i<objs.length;i++ ) {
		objs[i].style.display = 'none';
	}
}
function pageLoad() {
collapseAll($('collapse1','collapse2','collapse3'));
}
//addEvent(window,'load',pageLoad);


var toggleState1 = 'Minus';
var toggleState2 = 'Minus';
var toggleState3 = 'Minus';
function toggleMenu(menu,graphic,menuNbr){
   var menuString;
   if (menuNbr == "1"){
 	  if (toggleState1 == 'Plus'){
      	  toggleState1 = 'Minus';   
	   }else{
		  toggleState1 = 'Plus';     
	   }
	   menuString = '/img/collapse/' + graphic + toggleState1 + '.jpg';
   }else if (menuNbr == "2"){
 	  if (toggleState2 == 'Plus'){
      	  toggleState2 = 'Minus';   
	   }else{
		  toggleState2 = 'Plus';     
	   }
	   menuString = '/img/collapse/' + graphic + toggleState2 + '.jpg';   	
   }else{
 	  if (toggleState3 == 'Plus'){
      	  toggleState3 = 'Minus';   
	   }else{
		  toggleState3 = 'Plus';     
	   }
	   menuString = '/img/collapse/' + graphic + toggleState3 + '.jpg';	   
   }
  MM_swapImage(menu,'',menuString,1);
}