function selectTag(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tags").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
}

function valleyTag(showContent,selfObj){
	// 操作标签
	var tage = document.getElementById("valley").getElementsByTagName("li");
	var taglength = tage.length;
	for(i=0; i<taglength; i++){
		tage[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 操作内容
	for(i=0; j=document.getElementById("valleyContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
}

// 企业新闻
var x = 0;
function scrollTag() {
    var tags = document.getElementById("tags").getElementsByTagName("a");
    if (x < 2) {
        x = x + 1
    } else x = 0;
    var tag = document.getElementById("tags").getElementsByTagName("li");
    var taglength = tag.length;
    for (i = 0; i < taglength; i++) {
        tag[i].className = "";
    }
    tags[x].parentNode.className = "selectTag";
    for (i = 0; j = document.getElementById("tagContent" + i); i++) {
        j.style.display = "none";
    }
    document.getElementById("tagContent" + x).style.display = "block";
}
var scrolll = setInterval(scrollTag, 4000);
function zhuan() {
    clearInterval(scrolll);
}
function jixu() {
    scrolll = setInterval(scrollTag, 4000);
}

// 流域新闻
var m = 0;
function vscrollTag() {
    var tags = document.getElementById("valley").getElementsByTagName("a");
    if (m < 1) {
        m = m + 1
    } else m = 0;
    var tag = document.getElementById("valley").getElementsByTagName("li");
    var taglength = tag.length;
    for (n = 0; n < taglength; n++) {
        tag[n].className = "";
    }
    tags[m].parentNode.className = "selectTag";
    for (n = 0; h = document.getElementById("valleyContent" + n); n++) {
        h.style.display = "none";
    }
    document.getElementById("valleyContent" + m).style.display = "block";
}
var scrollv = setInterval(vscrollTag, 4000);
function zhuanv() {
    clearInterval(scrollv);
}
function jixuv() {
    scrollv = setInterval(vscrollTag, 4000);
}