function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\\\s)"+searchClass+"(\\\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function hideLinkSpec()
{
	var x = getElementsByClass("lankspec", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.visibility = "hidden";
	}
	
	var x = getElementsByClass("lankstar", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.visibility = "hidden";
	}
	
	var x = getElementsByClass("lank row1", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.height = "27px";
	}
	
	var x = getElementsByClass("lank row2", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.height = "27px";
	}
}

function showLinkSpec()
{
	var x = getElementsByClass("lankspec", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.visibility = "visible";
	}
	
	var x = getElementsByClass("lankstar", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.visibility = "visible";
	}
	
	var x = getElementsByClass("lank row1", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.height = "37px";
	}
	
	var x = getElementsByClass("lank row2", document.getElementById("lankar"));
	
	for(var i = 0; i < x.length; i++)
	{
		x[i].style.height = "37px";
	}
}

function vote(link_id, mark)
{
	http_request = false;
	
	if (window.XMLHttpRequest)  // Mozilla, Safari,...
	{
		http_request = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)  // IE
	{
		try
		{
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{}
		}
	}
	
	
	if (!http_request) { return false; }
	
	
	if(link_id !== "empty")
	{
		link = "vote.php?link_id=" + link_id + "&mark=" + mark;
	
		http_request.open("GET", link);
		http_request.send(null);
	}
}