$( function(){
			var tab_menu_li=$('#indus1 ul li');
			tab_menu_li.click(function(){
										
										$(this).addClass('tab_c')
											   .siblings().removeClass('tab_c');		
										var tab_menu_li_index = tab_menu_li.index(this);
										$('#indus1>div').eq(tab_menu_li_index).show()
										                .siblings('div').hide();
												
													})
													
													var tab_menu_li2=$('#indus2 ul li');
			tab_menu_li2.click(function(){
										
										$(this).addClass('tab_c')
											   .siblings().removeClass('tab_c');		
										var tab_menu_li2_index = tab_menu_li2.index(this);
										$('#indus2>div').eq(tab_menu_li2_index).show()
										                .siblings('div').hide();
												
													})
													});
	

$( function(){
	var span = '<span></span>';
	$('#nav_a li a').wrapInner(span);
	
	
	
	
	$('#nav_a li').mouseover(function(){
		$(this).addClass('selected')
			   .siblings().removeClass('selected');
		
		
	});
});








	var counts = 5;
	//´óͼ//
	img1 = new Image();
	img1.src ='images/1.jpg';
	img2 = new Image();
	img2.src ='images/2.jpg';
	img3 = new Image();
	img3.src ='images/3.jpg';
	img4 = new Image();
	img4.src ='images/4.jpg';
	img5 = new Image();
	img5.src ='images/5.jpg';
 
	//Á´½ÓµØÖ·
	url1 = new Image();
	url1.src = '';
	url2 = new Image();
	url2.src = '';
	url3 = new Image();
	url3.src = '';
	url4 = new Image();
	url4.src = '';
    url5 = new Image();
	url5.src = '';


	
	
	var nn = 1;
	var key = 0;
	function change_img() {
		if (key == 0) {
			key = 1;
		} /*else if (document.all) {
			document.getElementById("pic").filters[0].Apply();
			document.getElementById("pic").filters[0].Play(duration = 2);}*/
		
		eval('document.getElementById("pic").src=img' + nn +'.src');
		eval('document.getElementById("url").href=url' + nn + '.src');
	
		if (nn == 1) {
			document.getElementById("url").target = "_blank";
			document.getElementById("url").style.cursor = "pointer";
		} else {
			document.getElementById("url").target = "_blank"
			document.getElementById("url").style.cursor = "pointer"
		}
//
		for ( var i = 1; i <= counts; i++) {
			document.getElementById("xxjdjj" + i).className = 'axx';
		}
		document.getElementById("xxjdjj" + nn).className = 'bxx';
		nn++;
		if (nn > counts) {
			nn = 1;
		}
		tt = setTimeout('change_img()', 3000);
	}
	function changeimg(n) {
		nn = n;
		window.clearInterval(tt);
		change_img();
	}