【www.gdgbn.com--文本特效】
javascript教程 文本图片向上滚动实例代码
marque(500,24,"icefable1","box1left")
var scrollElem;
var stops教程croll;
var stoptime;
var preTop;
var leftElem;
var currentTop;
var marqueesHeight;
var www.111cn.net
function marque(width,height,marqueName,marqueCName){
try{
marqueesHeight = height;
stopscroll = false;
scrollElem = document.getElementById(marqueName);
with(scrollElem){
style.width = width;
style.height = marqueesHeight;
style.overflow = "hidden";
noWrap = true;
}
scrollElem.onmouseover = new Function("stopscroll = true");
scrollElem.onmouseout = new Function("stopscroll = false");
preTop = 0;
currentTop = 0;
stoptime = 0;
leftElem = document.getElementById(marqueCName);
scrollElem.appendChild(leftElem.cloneNode(true));
init_srolltext();
}catch(e) {}
}
function init_srolltext(){
scrollElem.scrollTop = 0;
setInterval("scrollUp()", 20);
}
function scrollUp(){
if(stopscroll) return;
currentTop += 1;
if(currentTop == marqueesHeight+1) {
stoptime += 1;
currentTop -= 1;
if(stoptime == (marqueesHeight)*4) {//停顿时间
currentTop = 0;
stoptime = 0;
}
}else{
preTop = scrollElem.scrollTop;
scrollElem.scrollTop += 1;
if(preTop == scrollElem.scrollTop){
scrollElem.scrollTop = marqueesHeight;
scrollElem.scrollTop += 1;
}
}
}