var today_change_num = 1;
var intervalTimer;
today_change_start();
function today_change_start() {
	intervalTimer = window.setInterval(show_today_info_change,5000);
}
function today_change_end() {
	if(today_change_num % 4 == 3)
		today_change_num = 0;
	else
		today_change_num ++ ;
	window.clearInterval(intervalTimer);
}
function show_today_info_change() {
	if(typeof outTimer != 'undefined') {
		clearTimeout(outTimer);
	}
	//show_html_by_js('mid0',today_change_num,4);
	for(var i=0;i<4;i++) {
		if(i == today_change_num) {
			$('#mid0_img_'+i).fadeIn(1500,function(){});
			$$('mid0_txt_'+i).style.display = '';
			$$('mid0_tm_'+i).className = 'now';
		} else {
			$$('mid0_img_'+i).style.display = 'none';
			$$('mid0_txt_'+i).style.display = 'none';
			$$('mid0_tm_'+i).className = '';
		}
	}
	if(today_change_num % 4 == 3)
		today_change_num = 0;
	else
		today_change_num ++ ;
}

function show_html_by_js(mid,no,total) {
	if(mid == 'mid0') {
		today_change_num = no;
	}
	for(var i=0;i<total;i++) {
		if(i == parseInt(no)) {
			if(mid == 'mid0') {
				$$(mid+'_img_'+i).style.display = '';
				$$(mid+'_txt_'+i).style.display = '';
				$$(mid+'_tm_'+i).className = 'now';
			} else if(mid == 'right1' || mid == 'left0') {
				$$(mid+'_menu_'+i).className = 'focus';
				$$(mid+'_txt_'+i).style.display = '';
			} else {
				$$(mid+'_menu_'+i).className = 'now';
				$$(mid+'_txt_'+i).style.display = '';
			}
		} else {
			if(mid == 'mid0') {
				$$(mid+'_img_'+i).style.display = 'none';
				$$(mid+'_txt_'+i).style.display = 'none';
				$$(mid+'_tm_'+i).className = '';
			} else if(mid == 'right1') {
				$$(mid+'_menu_'+i).className = '';
				$$(mid+'_txt_'+i).style.display = 'none';
			} else {
				$$(mid+'_menu_'+i).className = '';
				$$(mid+'_txt_'+i).style.display = 'none';
			}
		}
	}
}

function $$(str) {
	return document.getElementById(str);
}

function show_txt_by_ajax(catid,secid,divstr,no) {
	switch(divstr) {
		case "mid1":
		case "mid3":
		case "mid4":
			getdatabyajax(catid,secid,divstr,no,divstr+'_txt','content','');
			break;
		case "right2":
			obj.className = 'now2';
			readcontent(catid,secid,0,menu_str+'_menu','shop_list',url,menu_str);
			break;
		default:
			break;
	}
}

//显示list
function show_menu_by_ajax(catid,secid,divstr,no,total,url) {
	for(var i=0;i<total;i++){
		if(i == no) {
			$$(divstr+'_menu_'+i).className = 'now';
		} else {
			$$(divstr+'_menu_'+i).className = '';
		}
	}
	switch(divstr) {
		case "mid1":
		case "mid3":
		case "mid4":
			getdatabyajax(catid,secid,divstr,no,divstr+'_content','menu',url);
			break;
		case "mid2":
			getdatabyajax(catid,secid,divstr,no,divstr+'_content','list',url);
			break;
	}
}

function getdatabyajax(catid,secid,divstr,no,contentstr,action,url)
{
  var xmlhttp=initxmlhttp();
  var showcontent = $$(contentstr);
  //var url="http://cms.goodbaby.com/m/templates/goodbaby/includes/get_data_by_ajax.php?catid="+catid+"&secid="+secid+"&no="+no+"&action="+action+"&divstr="+divstr+"&url="+encodeURI(url);
  var url="http://"+host_name+"/common/lib/get_data_by_ajax.php?catid="+catid+"&secid="+secid+"&no="+no+"&action="+action+"&divstr="+divstr+"&url="+encodeURI(url);
  xmlhttp.open("GET",url,true);
  xmlhttp.setRequestHeader("Cache-Control","no-cache,must-revalidate");
  xmlhttp.setRequestHeader("If-Modified-Since","0");
  xmlhttp.onreadystatechange=function(){
		if(xmlhttp.readyState==4 && xmlhttp.status==200) {
			showcontent.innerHTML=xmlhttp.responseText;
			showcontent.style.border = 'solid 1px white';
		}
	}
  xmlhttp.send(null);
}