function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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_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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function toggleShow(toggleThis) {
	var el = document.getElementById(toggleThis);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = 'inline';
	}
}
var checkTotal = 0;
function togglechkbox(chkbox,correct,total) {
	var ctrlChkBox = "chk_" + chkbox; 
	var ctrlChkBoxID = document.getElementById(ctrlChkBox);
	var response = chkbox + "_response";
	var feedback = chkbox + "_feedback";
	var responseID = document.getElementById(response);
	var feedbackID = document.getElementById(feedback);
	var continueBtnID = document.getElementById('btn_continue');
	
	if (ctrlChkBoxID.checked == false) {
		responseID.style.display = 'none';
		feedbackID.style.display = 'none';
		checkTotal = checkTotal - 1;
	} else {
		responseID.style.display = 'inline';
		feedbackID.style.display = 'inline';
		checkTotal = checkTotal + 1;
	}
	if (total==0 || checkTotal==total) {
		continueBtnID.style.display = 'block'; }
	else {
		continueBtnID.style.display = 'none';			
	}
}

function resetCheckBoxes() {
	var myForm = document.getElementById('myForm');
  for(var i=0; i<myForm.length;i++){
    if(myForm[i].type == 'checkbox') {
		 	myForm[i].checked = false;
	  }
 }
}
/*
function showForm(thisForm) {
		var myForm = document.getElementById(thisForm);
		if (thisForm.style.display=='none') {
				thisForm.style.display='block';
		}
} */
function showForm(thisForm) {
		var myForm = document.getElementById(thisForm);
		if (myForm.style.display=='none') {
				myForm.style.display='block';
		}
		for (i=0;i<document.forms.length;i++) {
				if (document.forms[i].id != thisForm) {
					document.forms[i].style.display = "none";
				}
		}
}