function showContent(link, contentDiv, loadingDiv, contType)

{

	var cont = document.getElementById(contentDiv);

	var loading = document.getElementById(loadingDiv);



	cont.innerHTML = loading.innerHTML;



	var http = createRequestObject();

	if( http )

	{

		http.open('post', link);

		http.onreadystatechange = function ()

		{

			if(http.readyState == 4)

			{

				if(contType == "erase")

				{

					if(cont.innerHTML == "")

						cont.innerHTML = http.responseText;

					else

						cont.innerHTML = "";

				}

				else if(contType == "not-erase")

					cont.innerHTML = http.responseText;

				else if(contType == "add")

					cont.innerHTML = http.responseText+cont.innerHTML;
$(".example2-1, .example2-2").fancybox();
			}

		}

		http.send(null);

	}

	else

	{

		document.location = link;

	}

}



// создание ajax объекта  

function createRequestObject()

{

	try { return new XMLHttpRequest() }

	catch(e)

	{

		try { return new ActiveXObject('Msxml2.XMLHTTP') }

		catch(e)

		{

			try { return new ActiveXObject('Microsoft.XMLHTTP') }

			catch(e) { return null; }

		}

	}

}