function video2file (url, extra, code) {
	if(url.substr(0,7)!='http://' && url.substr(0,8)!='https://') {
		alert("Gebe bitte eine gültige Adresse ein!\nDie Adresse muss mit http:// oder https:// beginnen.");		return;
	}

	if(code==null && url.search(/youtube\.com\//)!=-1) {
		get_site_content(url);
		return;
	}
	
	document.getElementById("box1").innerHTML = "<div style='background:url(img/laden.gif) center no-repeat;width:100%;height:100px'>&nbsp;</div>";
	
	var http_request = false;

  if (window.XMLHttpRequest) { // Mozilla, Safari, ...
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
      http_request.overrideMimeType('text/plain');
    }
  }
  else if (window.ActiveXObject) { // IE
    try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
          http_request = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {}
    }
  }
  else {
    alert('Ajax nicht unterstützt.');
  }

  if (!http_request) {
    alert('Ajax nicht unterstützt.');
  }
  else {
    http_request.onreadystatechange = function() {
      if (http_request.readyState == 4) {
        if (http_request.status == 200) {
          document.getElementById("box1").innerHTML = http_request.responseText;
        }
        else if (http_request.status != 0) {
          alert('Es trat ein Fehler auf. (Code: JS-AJAX-' + http_request.status + ')');
        }
      }
    }
    http_request.open('POST', '/src/video2file.php?v=' + escape(url) + '&lang=de&extra=' + escape(extra), true);
	http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	http_request.send('code='+code);
  }
}



function ajax_request(url) {
  var http_request = false;

  if (window.XMLHttpRequest) { // Mozilla, Safari,...
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
      http_request.overrideMimeType('text/plain');
    }
  }
  else if (window.ActiveXObject) { // IE
    try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
          http_request = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {}
    }
  }
  else {
    alert('Ajax nicht unterstützt.');
  }

  if (!http_request) {
    alert('Ajax nicht unterstützt.');
  }
  else {
    http_request.onreadystatechange = function() {
      if (http_request.readyState == 4) {
        if (http_request.status == 200) {
          eval(http_request.responseText);
        }
        else if (http_request.status != 0) {
          alert('Es trat ein Fehler auf. (Code: JS-AJAX-' + http_request.status + ')');
        }
      }
    }
    http_request.open('GET', url, true);
    http_request.send(null);
  }
}



function rate ( func, id, nr, val ) {
	if(func == 'help') {
		ajax_request('/src/rate.php?func=help&id='+id+'&nr='+nr+'&val='+val);
	}
	else {
		alert('Es trat ein Fehler auf. (Code: JS-RATE-1)');
	}
}



var scroll_position;
var scrollintval;

function scroll (obj) {
	var max=document.getElementById("recent_name_"+obj).offsetWidth;
	var width=+document.getElementById("recent_width_"+obj).offsetWidth;
	scroll_position=0;
	scrollintval=window.setInterval("scrolling("+obj+", "+max+", "+width+");", 75);
}

function scrolling (obj, max, width) {
	scroll_position-=2;
	if (scroll_position < (max + 10) * (-1)) {
		scroll_position = width;
	}
	document.getElementById("recent_name_"+obj).style.marginLeft=scroll_position+"px";
}

function scrollstop (obj) {
	window.clearInterval(scrollintval);
	document.getElementById("recent_name_"+obj).style.marginLeft="0px";
}



function download_extras_open (id) {
	document.getElementById('download_extras_description').style.display = 'none';
	
	items=new Array('link','favorit','share','fehler');
	for(i=0; i<items.length; i++) {
		if(items[i]!=id) {
			document.getElementById("download_extras_"+items[i]+"_tab").className="on";
			document.getElementById("download_extras_"+items[i]).style.display="none";
		}
		else {
			document.getElementById("download_extras_"+id+"_tab").className="on active";
			document.getElementById("download_extras_"+id).style.display="block";
			
			if(id=='favorit' || id=='share') {
				var js      = document.createElement('script');
				js.type     = 'text/javascript';
				js.language = 'javascript';
				js.src      = 'http://s7.addthis.com/js/250/addthis_widget.js#pub=video2file';
				document.body.appendChild(js);
			}
		}
	}
}

function thumbnail_grow (grow, id, link) {
	if(grow) {
		// CSS //
		var margin_x = (69+5-202+9)/2+"px";
		var margin_y = "-"+(152-54+9)/2+"px";
		document.getElementById("thumbnail_"+id).style.margin=margin_x+" "+margin_y;
		document.getElementById("thumbnail_"+id).style.width="202px";
		document.getElementById("thumbnail_"+id).style.height="152px";
		document.getElementById("thumbnail_"+id).style.padding="9px";
		
		// JS //
		document.getElementById("thumbnail_"+id).src="http://images.websnapr.com/?size=s&key=bgu75KJxv87M&url="+link;
	}
	else {
		// CSS //
		document.getElementById("thumbnail_"+id).style.margin="0 5px 0 0";
		document.getElementById("thumbnail_"+id).style.width="69px";
		document.getElementById("thumbnail_"+id).style.height="54px";
		document.getElementById("thumbnail_"+id).style.padding="0";
		
		// JS //
		document.getElementById("thumbnail_"+id).src="http://images.websnapr.com/?size=t&key=bgu75KJxv87M&url="+link;
	}
}