/* =================================================
// jquery tabs plugins 1.0
// author:chenyg@5173.com
// url:http://stylechen.com/jquery-tabs.html
// 4th dec 2010
// =================================================*/

;(function($){
	$.fn.extend({
		tabs:function(options){
			// 处理参数
			options = $.extend({
				event : 'mouseover',
				timeout : 0,
				auto : 0,
				callback : null
			}, options);
			
			var self = $(this),
				tabbox = self.children( 'div.tab_box' ).children( 'div' ),
				menu = self.children( 'ul.tab_menu' ),
				items = menu.find( 'li' ),
				timer;
				
			var tabhandle = function( elem ){
					elem.siblings( 'li' )
						.removeclass( 'current' )
						.end()
						.addclass( 'current' );
						
					tabbox.siblings( 'div' )
						.addclass( 'hide' )
						.end()
						.eq( elem.index() )
						.removeclass( 'hide' );
				},
					
				delay = function( elem, time ){
					time ? settimeout(function(){ tabhandle( elem ); }, time) : tabhandle( elem );
				},
				
				start = function(){
					if( !options.auto ) return;
					timer = setinterval( autorun, options.auto );
				},
				
				autorun = function(){
					var current = menu.find( 'li.current' ),
						firstitem = items.eq(0),
						len = items.length,
						index = current.index() + 1,
						item = index === len ? firstitem : current.next( 'li' ),
						i = index === len ? 0 : index;
					
					current.removeclass( 'current' );
					item.addclass( 'current' );
					
					tabbox.siblings( 'div' )
						.addclass( 'hide' )
						.end()
						.eq(i)
						.removeclass( 'hide' );
				};
							
			items.bind( options.event, function(){
				delay( $(this), options.timeout );
				if( options.callback ){
					options.callback( self );
				}
			});
			
			if( options.auto ){
				start();
				self.hover(function(){
					clearinterval( timer );
					timer = undefined;
				},function(){
					start();
				});
			}
			
			return this;
		}
	});
})(jquery);