<!--
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_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];}
}
//-->// JavaScript Document

function showAnswer(theId)
{

    answer = document.getElementById(theId);
    answer.style.visibility = "visible";

}
function hideAnswer(theId)
{
     document.getElementById(theId).style.visibility = "hidden";
}

function toggleVisibility(theId)
{
     now = document.getElementById(theId).style.display
     if(now == 'none')
     {
       document.getElementById(theId).style.display = 'block'
     }
     if(now == 'block')
     {
       document.getElementById(theId).style.display = 'none'
     }
}

function showNextAnswer(answerNumber)
{
	var nextAnswerNumber = answerNumber + 1;
	//alert('tr_poll_answer'+nextAnswerNumber);
  var nextAnswer = document.getElementById('tr_poll_answer'+nextAnswerNumber);
  if(nextAnswer)
  {
	  nextAnswer.setAttribute('class', 'displayAll');
		nextAnswer.setAttribute('className', 'displayAll');
  }
  else
  {
  	//alert("ei");
  }
}

function toggleSerieData(serieID, activeTab)
{
  var inactiveTab = (activeTab == 'info') ? 'authors' : 'info';
  var tab_active = document.getElementById('serie_'+activeTab+'_'+serieID);
  var tab_inactive = document.getElementById('serie_'+inactiveTab+'_'+serieID);
  var tab1_active = document.getElementById('serietab_'+activeTab+'_'+serieID);
  var tab1_inactive = document.getElementById('serietab_'+inactiveTab+'_'+serieID);
  if(tab_active && tab_inactive && tab1_active && tab1_inactive)
  {
    tab_inactive.setAttribute('class', 'displayNone');
  	tab_inactive.setAttribute('className', 'displayNone');

  	tab1_inactive.setAttribute('class', 'displayAll');
  	tab1_inactive.setAttribute('className', 'displayAll');

    tab_active.setAttribute('class', 'displayAll');
  	tab_active.setAttribute('className', 'displayAll');

    tab1_active.setAttribute('class', 'active');
  	tab1_active.setAttribute('className', 'active');
  }
}

var timeout	= 400;
var closetimer	= 0;
var ddmenuitem	= 0;

function mopen(id)
{
	mcancelclosetime();

	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}

function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

document.onclick = mclose;

/*
 
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->

*/

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

if ((version >= 5.5) && (document.body.filters)) 
{
   for(var i=0; i<document.images.length; i++)
   {
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
         var imgID = (img.id) ? "id='" + img.id + "' " : ""
         var imgClass = (img.className) ? "class='" + img.className + "' " : ""
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
         var imgStyle = "display:inline-block;" + img.style.cssText 
         if (img.align == "left") imgStyle = "float:left;" + imgStyle
         if (img.align == "right") imgStyle = "float:right;" + imgStyle
         if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
         var strNewHTML = "<span " + imgID + imgClass + imgTitle
         + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
         img.outerHTML = strNewHTML
         i = i-1
      }
   }
}
