function shift_right(scrpt)
{
	if (index-1>= 0)
	{
		index--;
		if (index-2 < 0)
		{
			document.getElementById("ico4").src = document.getElementById("ico3").src;
			document.getElementById("ico3").src = document.getElementById("ico2").src;
			document.getElementById("ico2").src = document.getElementById("ico1").src;
			document.getElementById("ico1").src = document.getElementById("ico0").src;
			document.getElementById("ico0").src = "/img/photo_def_ico.png";
		}
		else
		{
				document.getElementById("ico4").src = document.getElementById("ico3").src;
				document.getElementById("ico3").src = document.getElementById("ico2").src;
				document.getElementById("ico2").src = document.getElementById("ico1").src;
				document.getElementById("ico1").src = document.getElementById("ico0").src;
				document.getElementById("ico0").src = links[index-2];
		}
		document.getElementById("photo_block").innerHTML = '<img src="/img/wait.gif" alt="" id="wait" style="display:block" />';
		var script = scrpt + "_get.php?id="+ph[index];
		var client = createXMLHttp();
		client.open("GET",script,true);
		client.onreadystatechange = function()
		{
			if (client.readyState == 4)
			{
				document.getElementById("photo_block").innerHTML = client.responseText;
			}
			return;
		}
		client.send(null);
	}
}

function shift_left(scrpt)
{
	if (index+1 < ph.length)
	{
		index++;
		if (index+2 >= ph.length)
		{
			document.getElementById("ico0").src = document.getElementById("ico1").src;
			document.getElementById("ico1").src = document.getElementById("ico2").src;
			document.getElementById("ico2").src = document.getElementById("ico3").src;
			document.getElementById("ico3").src = document.getElementById("ico4").src;
			document.getElementById("ico4").src = "/img/photo_def_ico.png";
		}
		else
		{
			document.getElementById("ico0").src = document.getElementById("ico1").src;
			document.getElementById("ico1").src = document.getElementById("ico2").src;
			document.getElementById("ico2").src = document.getElementById("ico3").src;
			document.getElementById("ico3").src = document.getElementById("ico4").src;
			document.getElementById("ico4").src = links[index+2];
		}
		document.getElementById("photo_block").innerHTML = '<img src="/img/wait.gif" alt="" id="wait"  style="display:block" />';
		var script = scrpt + "_get.php?id="+ph[index];
		var client = createXMLHttp();
		client.open("GET",script,true);
		client.onreadystatechange = function()
		{
			if (client.readyState == 4)
			{
				document.getElementById("photo_block").innerHTML = client.responseText;
			}
			return;
		}
		client.send(null);
	}
}