var tabsContainersCounter = 0;
var tabsCounter = 0;
var tabsLimit = 5;

$(document).ready(function(){
	$('.tabsContainer .item').each(function(){
		$(this).attr('class', $(this).attr('class') + ' tabContainer');
		$(this).attr('id', 'tabContainer' + tabsContainersCounter++);
	});
	
	$('.tabs a').each(function(){
		$(this).attr('id', 'tab' + tabsCounter);
		tabsCounter += tabsLimit;
		$(this).attr('href', 'javascript:void(0);');
		$(this).click(function(){
			$('.tabs a').each(function(){
				$(this).attr('class', '');
			});
			$(this).attr('class', 'active');
			$('.tabContainer').each(function(){
				$(this).css('display', 'none');
			});
			
			var startID = $(this).attr('id');
			startID = startID.replace(/tab/, ''); 
			startID *= 1;
			endID = startID + tabsLimit;
						
			$('.tabContainer').each(function(){
				var tabContainerID = $(this).attr('id');
				tabContainerID = tabContainerID.replace(/tabContainer/, '');
				tabContainerID *= 1;

				if(tabContainerID >= startID && tabContainerID < endID)
					$(this).css('display', 'block');
			});
		});
	});
});