多段文字多行逐段单个出现的特效

<HTML>

<HEAD>

<title>多段文字多行逐段单个出现的特效</title>

<!--

// ------ 定义全局变量

var theNewsNum;

var theAddNum;

var totalNum;

var CurrentPosion=0;

var theCurrentNews;

var theCurrentLength;

var theNewsText;

var theTargetLink;

var theCharacterTimeout;

var theNewsTimeout;

var theBrowserVersion;

var theWidgetOne;

var theWidgetTwo;

var theSpaceFiller;

var theLeadString;

var theNewsState;

function startTicker()

{

// ------ 设置初始数值

theCharacterTimeout = 50;//字符间隔时间

theNewsTimeout = 2000;//新闻间隔时间

theWidgetOne = "_";//新闻前面下标符1

theWidgetTwo = "-";//新闻前面下标符

theNewsState = 1;

//theNewsNum = document.body.children.incoming.children.NewsNum.innerText;//新闻总条数

//add by lin

theNewsNum = document.getElementById("incoming").children.AllNews.children.length;//新闻总条数

theAddNum = document.getElementById("incoming").children.AddNews.children.length;//补充条数

totalNum =theNewsNum+theAddNum;

theCurrentNews = 0;

theCurrentLength = 0;

theLeadString = " ";

theSpaceFiller = " ";

runTheTicker();

}

// --- 基础函数

function runTheTicker()

{

if(theNewsState == 1)

{

if(CurrentPosion<theNewsNum){

setupNextNews();

}

else{

setupAddNews();

}

CurrentPosion++;

if(CurrentPosion>=totalNum||CurrentPosion>=5) CurrentPosion=0; //最多条数不超过5条

}

if(theCurrentLength != theNewsText.length)

{

drawNews();

}

else

{

closeOutNews();

}

//more javascript from http://www.webjx.com

// --- 跳转下一条新闻

function setupNextNews()

{

theNewsState = 0;

theCurrentNews = theCurrentNews % theNewsNum;

theNewsText = document.getElementById("AllNews").children[theCurrentNews].children.Summary.innerText;

theTargetLink = document.getElementById("AllNews").children[theCurrentNews].children.NewsLink.innerText;

theCurrentLength = 0;

document.all.hottext.href = theTargetLink;

theCurrentNews++;

}

function setupAddNews()

{

theNewsState = 0;

theCurrentNews = theCurrentNews % theAddNum;

theNewsText = document.getElementById("incoming").children.AddNews.children[theCurrentNews].children.Summary.innerText;

theTargetLink = document.getElementById("incoming").children.AddNews.children[theCurrentNews].children.NewsLink.innerText;

theCurrentLength = 0;

document.all.hottext.href = theTargetLink;

theCurrentNews++;

}

// --- 滚动新闻

function drawNews()

{

var myWidget;

if((theCurrentLength % 2) == 1)

{

myWidget = theWidgetOne;

}

else

{

myWidget = theWidgetTwo;

}

document.all.hottext.innerHTML = theLeadString + theNewsText.substring(0,theCurrentLength) + myWidget + theSpaceFiller;

theCurrentLength++;

setTimeout("runTheTicker()", theCharacterTimeout);

}

// --- 结束新闻循环

function closeOutNews()

{

document.all.hottext.innerHTML = theLeadString + theNewsText + theSpaceFiller;

theNewsState = 1;

setTimeout("runTheTicker()", theNewsTimeout);

}

window.onload=startTicker;

//-->

</script>

</HEAD>

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