::For nothing can seem foul to those that win::

<script type="text/javascript">
function change(i){
   var flashstr="<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\"620\" height=\"420\"><param name=\"movie\" value=\"swf/"+i+".swf\" /><param name=\"quality\" value=\"high\" /><embed src=\"swf/"+i+".swf\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"620\" height=\"420\"></embed></object>";
    document.getElementById("flash").innerHTML=flashstr;
 }
</script>

   调用方法：

<a href="javascript:change('product')" >全部</a>