function cls_marquee(id,id1,id2,sp){ this.obj_id=id; this.obj_id1=id1; this.obj_id2=id2; this.speed=sp; eval(this.obj_id2+".innerHTML="+this.obj_id1+".innerHTML"); function Marquee(){ if(eval(id2).offsetTop-eval(id).scrollTop<=0) eval(id).scrollTop-=eval(id1).offsetHeight else{ eval(id).scrollTop++ } } var MyMar=setInterval(Marquee,sp) eval(this.obj_id).onmouseover=function() {clearInterval(MyMar)} eval(this.obj_id).onmouseout=function() {MyMar=setInterval(Marquee,sp)} }

<script type="text/javascript" > function show() { var info = document.getElementById('Text1'); info.value = info.value.substr(1) + info.value[0]; } setInterval(show, 500); function show1() { var info1 = document.getElementById('Text2'); info1.value = info1.value[info1.value.length-1] + info1.value.substr(0, info1.value.length-1); } setInterval(show1, 500); </script> <input id="Text1" type="text" value="欢迎来测试" /> <input id="Button1" type="button" value="滚动"/><br /> <input id="Text2" type="text" value="北京欢迎您" /> <input id="Button2" type="button" value="滚动" onclick="show1()" />