$(document).ready(function(){

	//下拉菜单
	$('#site_menu .sub_memu').each(function(){
		$(this).find('li:first').addClass('first');
	});

    $('#site_menu .has_sub_menu').each(function(){
        $(this).hover(
            function(){
                $(this).find('.sub_memu').stop().css("margin-top","15px").show().animate({
                    marginTop: "10px"
                },200 );
            },
            function(){
                $(this).find('.sub_memu').stop().hide().css("margin-top","15px");
            }
            );
    });


	//滚动图片
	var ctrl="",tmp,picinterval,currentpic=1,totalpic;
	totalpic = $('.picture ol li').attr("id",function(i){
		tmp = $('a',this).attr("href");
		return "list"+(i+1);
	}).each(function(i){
		i=i+1;
		ctrl+="<a id=\"ctrl"+ i + "\" ref=\"list"+ i +"\" href=\""+tmp+"\">"+i+"</a>"
	}).size();
	ctrl = $("<p class=\"ctrl\">"+ctrl+"</p>");
	$('a',ctrl).bind('mouseenter',mouseenterHandle).bind('mouseleave',mouseleaveHandle);
	function activate(i){
		$('.picture .ctrl a').removeClass('active');
		$('#ctrl'+i).addClass('active');
		var ref = $('#list'+i);
		$('.picture ol').prepend(ref);
		currentpic=i;
	}
	function mouseenterHandle(){
		clearInterval(picinterval);
		var i = $(this).text();
		activate(i);
	}
	function mouseleaveHandle(){
		picinterval = setInterval(roll,3000);
	}
	function roll(){
		activate(currentpic);
		(currentpic == totalpic)? currentpic=1 : currentpic++;
	}
	$('.picture').append(ctrl);
	roll();
	picinterval = setInterval(roll,3000);



	//友情链接
	$('.link select').bind('change',function(){
		if(!($(this).val()==0)){
			window.open($(this).val());
		}
	});

});