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 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 ShowHide(showme,hideus) {
  var x=0;
  for (var x=0; x<hideus.length; x++) {
		var hideme = document.getElementById('li' + hideus[x]);
		if (hideme) {
	    MM_showHideLayers(hideus[x],'','hide');
	    removeClass(document.getElementById('li' + hideus[x]),'tabOn');			
		}
  }
  MM_showHideLayers(showme,'','show');
  addClass(document.getElementById('li' + showme),'tabOn');
  //document.assess.assessment_tab.value = showme;
}

function get_param(string, parm) {
  var startPos = string.indexOf(parm + "=");
  if (startPos > -1) {
    startPos = startPos + parm.length + 1;
    var endPos = string.indexOf("&",startPos);
    if (endPos == -1)
        endPos = string.length;
    return unescape(string.substring(startPos,endPos));
  }
  return '';
}

function login_msg() {
  var params = location.search.substring(1);
  var msg = get_param(params, 'msg');
  if ( msg == 1 ) {
    document.write('<font color="#FF0000" size="2"><strong>Invalid Password</strong></font><br>');
  }
  else {
    document.write('<br>');
  }
}

function vpass_msg() {
  var params = location.search.substring(1);
  var msg = get_param(params, 'vmsg');
  if ( msg == 1 ) {
    document.write('<font color="#FF0000" size="2"><strong>Invalid Password</strong></font><br>');
  }
  else {
    document.write('<br>');
  }
}

function hideElement(elt) {
  if (elt) {
    elt.style.visibility = 'hidden';
    elt.style.display = 'none';
  }
}

function showElement(elt) {
  if (elt) {
    elt.style.visibility = 'visible';
    elt.style.display = '';
  }
}

function isVisible(elt) {
  return elt ? elt.style.display == '' : null;
}

function toggleVisibility(elt) {
  isVisible(elt) ? hideElement(elt) : showElement(elt);
}