var request = false;

function NewRandompic(v)
{
	createRequest();

	if (!request) 
	{
		alert("Kann keine XMLHTTP-Instanz erzeugen");
		return false;
	} 
	else 
	{
		var url = "RefreshRandompic.php";
		request.open('post', url, true);
		request.send(null);
		request.onreadystatechange = RefreshRandompicInterpretRequest;
	}
}

function RefreshRandompicInterpretRequest() 
{
	switch(request.readyState) 
	{
		case 4:
			if (request.status!=200) 
				alert("Es ist ein Fehler aufgetreten ("+request.status+")\nBitte kontaktieren Sie den Webmaster");
			else 
			{
				var x = request.responseText;
				var content = '<a class="ImgLink" href="randompics/'+x+'.jpg" rel="lightbox[randompics]" title="Zufallsbild No'+x+'">'+'<img src="randompics/thumbs/'+x+'.jpg" id="randompic" alt="Zufallsbild" />'+'</a>';
				document.getElementById('Refresh4NewRandompic').innerHTML = content;
				document.getElementById('randompicOpt2').innerHTML = '<a href="randompics/hires/'+x+'.jpg">[HQ]</a>';
			}
			break;
		default:
			break;
	}
	
	UpdateLinks('Refresh4NewRandompic');
}