div+css+javascript 实现无缝滚动,marquee无缝滚动，无缝滚动,兼容firefox
用marquee实现首尾相连循环滚动效果（仅IE）：
<marquee behavior="scroll" contenteditable="true" onstart="this.firstChild.innerHTML+=this.firstChild.innerHTML;" scrollamount="3" width="100" onmouseover="this.stop();" onmouseout="this.start();">
这里是要滚动的内容
</marquee>
用div+css+javascript实现首尾相连循环滚动效果（兼容firefox）：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>div+css+javascript 实现无缝滚动,marquee无缝滚动，无缝滚动,兼容firefox</title>
<style type="text/css">
#scrollobj {
white-space: nowrap;
overflow: hidden;
width: 500px;
}
</style>
</head>
<body>
<div id="scrollobj" onmouseover="javascript:_stop();" onmouseout="javascript:_start();">
这里是要滚动的内容
</div>
<script language="javascript" type="text/javascript">
<!--
function scroll(obj) {
/*往左*/
var tmp = (obj.scrollLeft)++;
//当滚动条到达右边顶端时
if (obj.scrollLeft == tmp) {
obj.innerHTML += obj.innerHTML;
}
//当滚动条滚动了初始内容的宽度时滚动条回到最左端
if (obj.scrollLeft >= obj.firstChild.offsetWidth) {
obj.scrollLeft = 0;
}
/*往上*/
//var tmp = (obj.scrollTop)++;
//if (obj.scrollTop == tmp) {
// obj.innerHTML += obj.innerHTML;
//}
//if (obj.scrollTop >= obj.firstChild.offsetWidth) {
// obj.scrollTop = 0;
//}
}
var _timer = setInterval("scroll(document.getElementById('scrollobj'))", 20);
function _stop() {
if (_timer != null) {
clearInterval(_timer);
}
}
function _start() {
_timer = setInterval("_scroll(document.getElementById('scrollobj'))", 20);
}
//-->
</script>
</body>
</html>