function showPanel(id) {
	for (var i = 1; i <= 5; i++) {
	var panelElem = document.getElementById('main-in' + i);
		panelElem.style.display = (i != id) ? 'none' : 'block';
	var buttonElem = document.getElementById('menu' + i);
		buttonElem.className = (i != id) ? '' : 'active';
	}
}

function showPanel1(id, numOfElements) {
	for (var i = 1; i <= numOfElements; i++) {
	var panelElem = document.getElementById('main-in' + i);
		panelElem.style.display = (i != id) ? 'none' : 'block';
	var buttonElem = document.getElementById('menu' + i);
		buttonElem.className = (i != id) ? '' : 'active';
	}
}

function showLightbox() {
	var bkg = document.getElementById('lightbox_con');
		bkg.style.display = "block";
		onWindowResizeVideo();
}
				
function hideLightbox() {
	var bkg = document.getElementById('lightbox_con');
		bkg.style.display = "none";
}

 function onWindowResizeVideo() {
	var bkg = document.getElementById('lightbox_con');
	var video = document.getElementById('lightbox');
	var size = getPageSize();
	var scroll = getPageScroll();
		bkg.style.height = size[1] + "px";
	var x = Math.floor((size[2] - 740) / 2);
	var y = scroll[1] + Math.floor((size[3] - 606) / 2);
	if (x < 0) x = 0;
	if (y < 0) y = 0;
		video.style.left = x + "px";
		video.style.top = y + "px";
 }
 
function show(question)
	{
		if (navigator.userAgent.indexOf("Opera") >= 0) return false;
		if (navigator.userAgent.indexOf("Chrome") >= 0) return false;
		
		var qClassName = "question";
		var aClassName = "answer";
		var selectedClassName = aClassName + " selected";

		var currentContent = (Array.every) ? question.nextSibling.nextSibling : question.nextSibling;
		if (currentContent.className == selectedClassName)
		{
			currentContent.className = aClassName;
			question.className = "question";
			return;
		}
		
		
		var questionParagraphs = question.parentNode.parentNode.getElementsByTagName("p");
		var paragraphArray = new Array();
		
		for (var i=0; i<questionParagraphs.length; i++)
		{
			if (questionParagraphs[i].className.indexOf(qClassName) > -1 || questionParagraphs[i].className.indexOf(aClassName) > -1)
			{
				paragraphArray.push(questionParagraphs[i]);
			}
		}
		
		for (var i=0; i<paragraphArray.length; i++)
		{
			if (paragraphArray[i].className == qClassName)
			{
				var content = (Array.every) ? paragraphArray[i].nextSibling.nextSibling : paragraphArray[i].nextSibling;
				content.className = paragraphArray[i] == question ? selectedClassName : aClassName;
				paragraphArray[i].className = paragraphArray[i] == question ? "question selected" : "question";
			}
		}
		return true;
	}
	
 $(document).ready(function(){
		
		$("div.info").click(function () {
		  $("div.info").fadeOut("slow");
		});

	  });
	  $(document).ready(function(){
		
		$("div.error").click(function () {
		  $("div.error").fadeOut("slow");
		});

	  });
      $(document).ready(function() {
        $('p.question').bind( 'click', function(event) {
			$target = $(event.target);
			$target.parent().find('div.answer').toggle();
          return false;
        });
		 $("p.question").click(function () {
			$(this).toggleClass("selected");
		});
      });