var scrolling = false;
  var step = 5;
  scrollToTheRight = function() {
   var pos = $('browser_gallerie').scrollLeft;
   $('browser_gallerie').scrollLeft = pos+step;
   if(scrolling) {
    setTimeout(scrollToTheRight,30);
   }
  }
  scrollToTheLeft = function() {
   var pos = $('browser_gallerie').scrollLeft;
   $('browser_gallerie').scrollLeft = pos-step;
   if(scrolling) {
    setTimeout(scrollToTheLeft,30);
   }
  }
  



_gallery_current = 1;
	gallery_back = function() {
		_gallery_current = _gallery_current>1 ? _gallery_current-1 : 1;
		gallery_show(_gallery_current);
	}
	gallery_next = function() {
		if($('gallery_thumbnail_'+(_gallery_current+1))) _gallery_current++;
		gallery_show(_gallery_current);
	}
	gallery_show = function(pid) {
		_gallery_current = pid;
		// Thumbnail
		var tn = $('gallery_thumbnail_'+pid);
		var tns = tn.parentNode.parentNode.parentNode.getElementsByTagName('A');
		for(var i=0; i<tns.length; i++) {
			tns[i].className = '';
		}
		tn.parentNode.className = 'selected';
		// Picture
		var div = $('gallery_picture_'+pid);
		var divs = div.parentNode.getElementsByTagName('div');
		for(var i=0; i<divs.length; i++) {
			divs[i].style.display = 'none';
		}
		div.style.display = 'block';
	}