$(document).ready(function(){						
	$("ul.nav-ul>li.item").hover(function(){
			$('.sub-nav:visible').hide();
			$(this).addClass('over');
			$(this).find(".sub-nav").show();
	},function(){
			$(this).removeClass('over');
			$(this).find(".sub-nav").hide();
	});


	$('div.top div.admin div.switch span.block-switch').hover(function(){
		
		$('div.top div.admin div.switch span.focus').removeClass('focus');
		$(this).addClass('focus');
		$('div.top div.admin div.info div.block-info').hide();
		//alert($(this).attr('rel'));
		$('div.top div.admin div.info').find('.'+$(this).attr('rel')).show();
		$('div.top div.admin div.pointer').removeClass('pt-i1 pt-i2 pt-i3 pt-i4');
		$('div.top div.admin div.pointer').addClass('pt-'+$(this).attr('rel'));
		
	},function(){
		//$(this).removeClass('over');
	});



	$(function(){
		var $scroll = $('#pic_scroll>ul');
		var timerID;
		var timer =50;
		var pic_pels = 2;
		var pic_w = $scroll.find('li').outerWidth(); //单个宽度
		var pic_size = $scroll.find('li').length; //总数量
		var pic_sw = pic_w * pic_size; //总宽度
		$scroll.css('position','absolute').width(pic_sw*2);
		$scroll.find('li').clone().appendTo($scroll);
		var pic_scroll_left = 0;
		var pic_scroll_action = function(){
			 pic_scroll_left = parseInt($scroll.css('left'));
			//alert(pic_scroll_left);
			if((pic_scroll_left + pic_sw) >0 ){
				$scroll.css('left',(pic_scroll_left-pic_pels));
			}else {
				$scroll.css('left', 0);
			}
		};
		var roll = function(){
			timerID = setInterval(pic_scroll_action, timer);
		};
		var roll_cancel = function(){
			clearInterval(timerID);
		};
		$scroll.hover(roll_cancel, roll);
		roll();
	});



});