function show_data(url, width, height)
{
   var a
   var b
   var url
   vidWindowWidth=width;
   vidWindowHeight=height;
   a=(screen.height-vidWindowHeight)/1000;
   b=(screen.width-vidWindowWidth)/1000;
   features="top="+a+",left="+b+",width="+vidWindowWidth+",height="+vidWindowHeight+",toolbar=no,menubar=no,location=no,directories=no,scrollbars=yes,resizable=no";
   window.open(url,'_blank',features,true);
   return false;
}
function display_obj(obj_id)
{
	var obj = document.getElementById(obj_id);
	obj.style.display = (obj.style.display == 'block') ? 'none' : 'block';
}

function get_circle(begin)
{
	JsHttpRequest.query(
		'/get_circle.php',
		{
			'begin': begin
		},
		function(result,errors)
		{
			if(result)
			{
				var obj = document.getElementById("circle");
				var w = self.showModalDialog ? document.body.clientWidth : self.innerWidth;
				var j = 0;
				if(w < 1350) j = 1;
				if(w < 1050) j = 2;
				var text = '';

				if(obj.outerHTML)
				{
					text = '<table id="circle" cellspacing="0" border="0">';
					text += '<tr>';
					text += '<td style="text-align:left;"><a href="javascript:void(0);" onclick="get_circle('+result.circle.back+');" title="назад"><img src="/img/sys/arrow_left.jpg" width="34" height="86" alt="назад" border="0" /></a></td>';

					for(i = 0; i < 5 - j; i++)
					{
						text += '<td><a href="/?mod=gall&gn=default&id='+result.circle.items[i]['id']+'" title=\''+result.circle.items[i]['name']+'\' target="_blank"><img src="/img/gallery/default/circle/'+result.circle.items[i]['img_circle']+'" alt=\''+result.circle.items[i]['name']+'\' border="0" /></a></td>';
					}

					text += '<td style="text-align:right;"><a href="javascript:void(0);" onclick="get_circle('+result.circle.forward+');" title="вперед"><img src="/img/sys/arrow_right.jpg" width="34" height="86" alt="вперед" border="0" /></a></td>';
					text += '</tr>';
					text += '</table>';

					obj.outerHTML = text;
				}
				else
				{
					text = '<tr>';
					text += '<td style="text-align:left;"><a href="javascript:void(0);" onclick="get_circle('+result.circle.back+');" title="назад"><img src="/img/sys/arrow_left.jpg" width="34" height="86" alt="назад" border="0" /></a></td>';

					for(i = 0; i < 5 - j; i++)
					{
						text += '<td><a href="/?mod=gall&gn=default&id='+result.circle.items[i]['id']+'" title=\''+result.circle.items[i]['name']+'\' target="_blank"><img src="/img/gallery/default/circle/'+result.circle.items[i]['img_circle']+'" alt=\''+result.circle.items[i]['name']+'\' border="0" /></a></td>';
					}

					text += '<td style="text-align:right;"><a href="javascript:void(0);" onclick="get_circle('+result.circle.forward+');" title="вперед"><img src="/img/sys/arrow_right.jpg" width="34" height="86" alt="вперед" border="0" /></a></td>';
					text += '</tr>';

					obj.innerHTML = text;
				}
			}

			if(errors) alert(errors);
		},
		false
	);
}