if (typeof(thisTab) == 'undefined')
	{
		var thisTab = 1; //first tab is selected at first
		var selectedTab = thisTab;
	}
	var timeout = 10000; //timeout in miliseconds
	var tabs = 6; //number of tabs
	var tab_prefix = 'tab';
	var content_prefix = 'section';
	var fade_delay = 1000;
	var cycle_started = false;
	
	function showThisTab(id)
	{
		loop_elems(id, 'hide');
		if (typeof(t) != 'undefined')
			clearTimeout(t);
/*		if (thisTab > 0)
		{
			if (typeof(t) != 'undefined')
				clearTimeout(t);
			thisTab = id;
			selectedTab = thisTab;
			t = setTimeout("cycleTabs()", 0);
		}*/
	}
	
	function loop_elems(id, type)
	{
		for (i=1;i<tabs+1;i++)
		{
			elem = document.getElementById(tab_prefix+i);
			classname = elem.className;
			classname = classname.replace("_selected", "");
			if (i != id && type == 'show' && $('#'+content_prefix+i).css("display") == 'block')
			{
//				elem.setAttribute('class', classname);
	//			elem.setAttribute('className', classname);
				$('#'+content_prefix+i).hide();
			}
			if (type == 'hide')
			{
				if (i != id)
				{
					elem.setAttribute('class', classname);
					elem.setAttribute('className', classname);
				}
				else
				{
					elem.setAttribute('class', classname+'_selected');
					elem.setAttribute('className', classname+'_selected');
				}
			}
			if ((i == id) && (type == 'show'))
			{//alert('show');
//					showLayer(content_prefix+i);
				$('#'+content_prefix+i).show();
				$('#preview'+i).fadeIn(fade_delay);
				$('#sidebar'+i).fadeIn(fade_delay);
//				elem.setAttribute('class', classname+'_selected');
	//			elem.setAttribute('className', classname+'_selected');
			}
			if (i != id && type == 'hide' && $('#'+content_prefix+i).css("display") == 'block')
			{//alert();
//					hideLayer(content_prefix+i);
				$('#preview'+i).fadeOut(fade_delay);
				$('#sidebar'+i).fadeOut(fade_delay, function () {
					loop_elems(id, 'show');
				});
			}
		}
//		if (type == 'hide')
	//		t1 = setTimeout("loop_elems("+id+", 'show')", fade_delay);
	}
	
	function cycleTabs()
	{
		if (thisTab > 0)
		{
			if (!cycle_started)
			{
				cycle_started = true;
				for (i=1;i<tabs+1;i++)
				{
					elem = document.getElementById(tab_prefix+i);
					classname = elem.className;
					classname = classname.replace("_selected", "");
					if (i == thisTab)
					{
	//					showLayer(content_prefix+i);
						$('#'+content_prefix+i).show();
						elem.setAttribute('class', classname+'_selected');
						elem.setAttribute('className', classname+'_selected');
					}
					else
					{
	//					hideLayer(content_prefix+i);
						$('#'+content_prefix+i).hide();
						$('#preview'+i).hide();
						$('#sidebar'+i).hide();
						elem.setAttribute('class', classname);
						elem.setAttribute('className', classname);
					}
				}
			}
			else
				loop_elems(thisTab, 'hide');
			thisTab = thisTab % tabs + 1;
			selectedTab = thisTab;
			t = setTimeout("cycleTabs()",timeout);
		}
	}
	
	function playStop()
	{
		if (thisTab > 0)
		{
			if (typeof(t) != 'undefined')
				clearTimeout(t);
			thisTab = 0;
		}
		else
		{
			thisTab = selectedTab;
			t = setTimeout("cycleTabs()",timeout);
		}
	}

//	setTimeout("cycleTabs()",1000);