<script type="text/javascript"> function getStyle(obj,name){ if(obj.currentStyle){ return obj.currentStyle[name]; }else{ return getComputedStyle(obj,false)[name]; } } functon startMove(obj,attr,iTarget){ clearInterval(obj.timer); obj.timer=setInterval(function(){ var cur=0; if(attr=="opacity"){ cur=Math.round(parseFloat(getStyle(obj,attr))*100); }else{ cur=parseInt(getStyle(obj,attr)); } var speed=(iTarget-cur)/6; speed=speed>0?Math.ceil(speed):Math.floor(speed); if(cur==iTarget){ clearInterval(obj.timer); }else{ if(attr=="opacity"){ obj.style.filter="alpha(opcity:"+(cur+speed)+")"; obj.style.opacity=(cur+speed)/100; }else{ obj.style[attr]=cur+speed+"px"; } } },30); } </script>
时间: 2024-10-28 04:02:35