javascript 走马灯效果的链接提示

走马灯效果的链接提示

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window.onerror = null;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var NS4 = (bName == "Netscape" && bVer >= 4);
var IE4 = (bName == "Microsoft Internet Explorer"
&& bVer >= 4);
var NS3 = (bName == "Netscape" && bVer < 4);
var IE3 = (bName == "Microsoft Internet Explorer"
&& bVer < 4);
var scroll_length = 150;
var time_length =50;
var begin_pos = 200;
var i;
var j;
if (NS4 || IE4) {
if (navigator.appName == "Netscape") {
layerStyleRef="layer.";
layerRef="document.layers";
styleSwitch="";
}else{
layerStyleRef="layer.style.";
layerRef="document.all";
styleSwitch=".style";
}
}

function Scroll(layerName){
if (NS4 || IE4) {
if (NS4 || IE4) {
if(i