/* -----------------------------------------------*
 *
 * @copyright	(c) luft co.,ltd.
 * @link		http://www.luft.co.jp/
 * @date		2011.12.21
 * @project		Senshu Kiwanis Official Website
 * @author		Nao Egami
 * 
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * -----------------------------------------------*/
function ScrollLoader(){
	
	var click = 0;
	var cnt = 0;
	var max = 0;
	var maxclick = 0;
	
	var timestamp = (new Date()).getTime();
	var obj = $.getJSON("./scload/?click=-1&time="+timestamp);
	
	obj.success(function(data) {
		
		$.each(data,function(){
			max++;
		});
		maxclick = (max-6)/2;
		maxclick--;
	});
	
	obj.complete(function() {
		$(window).bind('scroll', scLoad);
	});
	
	obj.error(function() {
		alert('読み込めませんでした。更新ボタンを押してください。');
	});
	
	
	function scLoad(){
		
		var ScrTop = parseInt($(this).scrollTop());
		var winH = $(window).height();
		var docH = $(document).height()-winH-400;
		
		if(ScrTop > docH && maxclick > click){
		
		$('#thumbs').append('<div id="loadinfo"><img src="'+_loc+'images/common/loading.gif" width="48" height="48" alt="loading..." /></div>');
		
		click++;
		
		var timestamp = (new Date()).getTime();
		var cobj = $.getJSON("./scload/?click="+click+"&time="+timestamp);
		
		$(window).unbind('scroll', scLoad);
		
		cobj.success(function(data) {
			$('#loadinfo').remove();
			
			for(var i in data){
				cnt++;
				if(data[i].cat_ID == 3){
					var cat_IDTag = '<img class="mark" src="'+_loc+'/images/list/m_meeting.gif" width="78" height="79" alt="例会" />';
				} else {
					var cat_IDTag = '<img class="mark" src="'+_loc+'/images/list/m_act.gif" width="78" height="79" alt="活動" />';
				}
				
				$('#thumbs > ul').append('<li class="S'+cnt+'"><div class="photo"><div class="mainpic"><a href="'+data[i].guid+'">'+data[i].tmpTag1+'</a></div>'+cat_IDTag+'</div><dl><dt><span class="date">'+data[i].date+'</span><br /><span class="title"><a href="'+data[i].guid+'">'+data[i].title+'</a></span></dt><dd>'+data[i].post_content+'</dd></dl></li>');
				$('li.S'+cnt).hide();
			}
			
		});
		
		cobj.complete(function() {
			var bcnt = cnt-1;
			$('li.S'+bcnt).fadeIn('slow');
			setTimeout(swImg, 250);
			$(window).bind('scroll', scLoad);
		});
		
		cobj.error(function() {
			alert('読み込めませんでした。更新ボタンを押してください。');
			click--;
			$('#loadinfo').remove();
		});
		
		
		}
	}
	
	function swImg(){
		$('li.S'+cnt).fadeIn('slow');
	}
}