鼠标移动到一张图片时变为另一张图片_图象特效

用以下代码. 
<script><!-- <BR>c0off = new Image(80,30); c0off.src = "图片1位置"; <BR>c0on = new Image(80,30); c0on.src = "图片2位置"; <BR>function img_act(imgName) <BR>{ <BR>imgOn = eval(imgName+"on.src"); <BR>document[imgName].src = imgOn; <BR>} <br><br>function img_inact(imgName) <BR>{ <BR>imgOff = eval(imgName+"off.src"); <BR>document[imgName].src = imgOff; <BR>} <br><br>function erase() <BR>{ <BR>window.status="网页教学网"; <BR>} <br><br>function moveover(txt) <BR>{ <BR>window.status=txt; <BR>} <BR>// --></script> 
onmouseover="img_act('c0');moveover('图片名');return true;" 
onmouseout="img_inact('c0');return true;">src="图片1位置" border="0" width="80"  style="max-width:90%" name="c0">