var marqueeContent = new Array(); //滚动主题
marqueeContent[0] = "从高考落榜生到一个高薪IT白领 ";
marqueeContent[1] = " 低学历的成才之路 ";
marqueeContent[2] = "软件工程师，‘越老越吃香’ ";
marqueeContent[3] = "名落孙山了，该不该复读？？ ";
marqueeContent[4] = "马云调侃阿里巴巴创业元老：成为百万富翁属机遇 ";
var marqueeInterval = new Array(); //定义一些常用而且要经常用到的变量
var marqueeId = 0;
var marqueeDelay = 4000;
var marqueeHeight = 2000;
function initMarquee() {
var str = marqueeContent[0];
document.write("" + str + "");
marqueeId++;
marqueeInterval[0] = setInterval("startMarquee()", marqueeDelay);
}
function startMarquee() {
var str = marqueeContent[marqueeId];
marqueeId++;
if (marqueeId >= marqueeContent.length) {
marqueeId = 0;
}
if (marqueeBox.childNodes.length == 1) {
var nextLine = document.createElement("DIV");
nextLine.innerHTML = str;
marqueeBox.appendChild(nextLine);
} else {
marqueeBox.childNodes[0].innerHTML = str;
marqueeBox.appendChild(marqueeBox.childNodes[0]);
marqueeBox.scrollTop = 0;
}
clearInterval(marqueeInterval[1]);
marqueeInterval[1] = setInterval("scrollMarquee()", 10);
}
function scrollMarquee() {
marqueeBox.scrollTop++;
if (marqueeBox.scrollTop % marqueeHeight == marqueeHeight) {
clearInterval(marqueeInterval[1]);
}
}
initMarquee();