var weburl = getWeburl();

//页面跳转
function getCurrentPage(colid) {	
	var current = 1;
	if (document.all.pageto)	{
		current = document.all.pageto.value*1;
		current = current > document.all.maxPage.value*1? document.all.maxPage.value*1 : current;
	}
	var artname = document.all.artname.value;
	artname = encodeURIComponent(artname);
	var namecon = artname?("&artname="+artname):"";
	// window.location = weburl+"column.jsp?id="+colid+"&current="+current+namecon;
	// var url = "/col/" + colid + "/index" + (current == 1 ? "" : "_" + current) + ".html";
	var url = "./index" + (current == 1 ? "" : "_" + current) + ".html";
	var url2 = weburl + "/column.jsp?id=" + colid + "&current=" + current + namecon;
	gotoColumnPageUrl(url, url2);
}

//跳转指定页
function getNumPage(colid, n) {
	var current = n > 1 ? n : 1;
	var artname = document.all.artname.value;
	artname = encodeURIComponent(artname);
	var namecon = artname?("&artname="+artname):"";
	// window.location = weburl+"column.jsp?id="+colid+"&current="+current+namecon;
	// var url = "/col/" + colid + "/index" + (current == 1 ? "" : "_" + current) + ".html";
	var url = "./index" + (current == 1 ? "" : "_" + current) + ".html";
	var url2 = weburl + "/column.jsp?id=" + colid + "&current=" + current + namecon;
	gotoColumnPageUrl(url, url2);
}

//首页
function funFirst(colid) {
	if (document.all.pageindex)	{
		//document.all.pageindex.options[0].selected=true;
	}
	var artname = document.all.artname.value;
	artname = encodeURIComponent(artname);
	var namecon = artname?("&artname="+artname):"";
	// window.location = weburl+"column.jsp?id="+colid+"&current=1"+namecon;
	// var url = "/col/" + colid + "/index.html";
	var url = "./index.html";
	var url2 = weburl + "/column.jsp?id=" + colid + "&current=1" + namecon;
	gotoColumnPageUrl(url, url2);
}

//末页
function funEnd(end,colid) {
	if (document.all.pageindex)	{
		//document.all.pageindex.options[end].selected=true;
	}
	var artname = document.all.artname.value;
	artname = encodeURIComponent(artname);
	var namecon = artname?("&artname="+artname):"";
	// window.location = weburl+"column.jsp?id="+colid+"&current="+end+namecon;
	// var url = "/col/" + colid + "/index_" + end + ".html";
	var url = "./index_" + end + ".html";
	var url2 = weburl + "/column.jsp?id=" + colid + "&current=" + end + namecon;
	gotoColumnPageUrl(url, url2);
}

//上一页
function funPre(colid) {
	var current = 1;
	if (document.all.pageindex)	{
		current = document.all.pageindex.value*1-1;	
	}
	var artname = document.all.artname.value;
	artname = encodeURIComponent(artname);
	var namecon = artname?("&artname="+artname):"";
	current = current<1?1:current;
	// window.location = weburl+"column.jsp?id="+colid+"&current="+current+namecon;
	// var url = "/col/" + colid + "/index" + (current == 1 ? "" : "_" + current) + ".html";
	var url = "./index" + (current == 1 ? "" : "_" + current) + ".html";
	var url2 = weburl + "/column.jsp?id=" + colid + "&current=" + current + namecon;
	gotoColumnPageUrl(url, url2);
}

//下一页
function funNext(colid) {
	var current = 1;
	if (document.all.pageindex)	{
		current = document.all.pageindex.value*1+1;
		current = current > document.all.maxPage.value*1? document.all.maxPage.value*1 : current;
	}
	var artname = document.all.artname.value;
	artname = encodeURIComponent(artname);
	var namecon = artname?("&artname="+artname):"";
	// window.location = weburl+"column.jsp?id="+colid+"&current="+current+namecon;
	// var url = "/col/" + colid + "/index" + (current == 1 ? "" : "_" + current) + ".html";
	var url = "./index" + (current == 1 ? "" : "_" + current) + ".html";
	var url2 = weburl + "/column.jsp?id=" + colid + "&current=" + current + namecon;
	gotoColumnPageUrl(url, url2);
}

function changeSearchKey(obj) {
	var artnametopobj = document.all.artnametop;
	if (artnametopobj) {
		artnametopobj.value = obj.value;
	}
	var artnameobj = document.all.artname;
	if (artnameobj) {
		artnameobj.value = obj.value;
	}
}

function checkNum(o) {
	if(o.value.length==1){
		o.value=o.value.replace(/[^1-9]/g,'')
	}else{
		o.value=o.value.replace(/\D/g,'')
	}
	if (!o.value) {
		o.value = "";
	}
	if (o.value*1 > document.all.maxPage.value*1) {
		o.value = document.all.maxPage.value;
	}
}

function getWeburl() {
	var weburl = "";
	var thisLink = document.location.href.replace("http://", "").replace("https://", "").split("/");
	if (!thisLink || thisLink.length <= 2) { // http://www.sjz.gov.cn/column.jsp?id=1596014099904&current=443
		return weburl;
	}
	if (thisLink[1] == "col") { // http://www.sjz.gov.cn/col/1596014099904/index.html
		return weburl;
	}
	// 第三个位置包含col：从属于主站
	// http://www.sjz.gov.cn/czj/column.jsp?id=1592959611752&current=2
	// http://www.sjz.gov.cn/czj/col/1592959611752/index_20.html
	if (thisLink[2].includes("col")) {
		weburl = "/" + thisLink[1];
	}
	return weburl;
}

function gotoColumnPageUrl(url, url2) {
    $.ajax({
        type: "GET",
        cache: false,
        url: url,
        data: "",
        success: function(data) {
        	// alert("success");
        	window.location = data.indexOf("filter.html") > -1 ? url2 : url;
        },
        error: function() {
        	// alert("error");
        	window.location = url2;
        }
    });
}

function getHostUrl() {
	return window.location.host;
}