function ajax_get_object() {
 	var A;
 		
 	var msxmlhttp = new Array(
		'Msxml2.XMLHTTP.5.0',
		'Msxml2.XMLHTTP.4.0',
		'Msxml2.XMLHTTP.3.0',
		'Msxml2.XMLHTTP',
		'Microsoft.XMLHTTP');
	for (var i = 0; i < msxmlhttp.length; i++) {
		try {
			A = new ActiveXObject(msxmlhttp[i]);
		} catch (e) {
			A = null;
		}
	}
 	
	if(!A && typeof XMLHttpRequest != "undefined")
		A = new XMLHttpRequest();
	
	return A;
}

function sndReq(trg,arg) {    
	var ajax = ajax_get_object();
	ajax.open('get', arg);
	ajax.onreadystatechange = function() {
		if (ajax.readyState == 4) {
			document.getElementById("load").style.display="block";
		}
		if (ajax.readyState != 4)
			return;
			
		document.getElementById(trg).style.display="block";
		document.getElementById(trg).innerHTML=ajax.responseText;
		document.getElementById("load").style.display="none";
	}
	ajax.send(null);
}


function showVideoComments()
{
	if(document.getElementById('tab1').style.display == 'block')
	{
		document.getElementById('tab1').style.display = 'none';
	}
	else if(document.getElementById('tab3').style.display == 'block')
	{
		document.getElementById('tab3').style.display = 'none';
	}
	
	document.getElementById('tab2').style.display = 'block';
}

function showVideoDetails()
{
	if(document.getElementById('tab2').style.display == 'block')
	{
		document.getElementById('tab2').style.display = 'none';
	}
	else if(document.getElementById('tab3').style.display == 'block')
	{
		document.getElementById('tab3').style.display = 'none';
	}
	
	document.getElementById('tab1').style.display = 'block';
}

function showVideoStats()
{
	if(document.getElementById('tab2').style.display == 'block')
	{
		document.getElementById('tab2').style.display = 'none';
	}
	else if(document.getElementById('tab1').style.display == 'block')
	{
		document.getElementById('tab1').style.display = 'none';
	}
	
	document.getElementById('tab3').style.display = 'block';
}

function hideSearchResults()
{
	document.getElementById('searchresults').style.display='none';
}

function showImage(val) {
	document.getElementById('image'+val).style.display = 'block';
}

function hideImage(val) {
	document.getElementById('image'+val).style.display = 'none';
}

function calBack(val) 
{
	var newVal = val-1;
	document.getElementById('month'+val).style.display = 'none';
	document.getElementById('month'+newVal).style.display = 'block';
}

function calForward(val) 
{
	var newVal = val+1;
	document.getElementById('month'+val).style.display = 'none';
	document.getElementById('month'+newVal).style.display = 'block';
}

function comments(val) {
	window.open('/comments/list/uid/'+val, 'Kommentare', 'height=500,width=650,resizable=no,scrollbars=yes');
}