织梦dedeCMS多彩色tag解决办法

<style type="text/css"> 
.tagCloud{ padding:0 6px; } 
.tagCloud a { margin:0 8px 0 0; line-height:22px; } 
.color0{ color:#2F5FC2; } 
.color1{ color:#AC1BF2; } 
.color2{ color:#9E6FC5; } 
.color3{ color:#FBA426; } 
.color4{ color:#2739CF; } 
.color5{ color:#C8A453; } 
.color6{ color:#AB2846; } 
.weight0{ font-weight:100; } 
.weight1{ font-weight:300; } 
.weight2{ font-weight:500; } 
.weight3{ font-weight:700; } 
.weight4{ font-weight:900; } 
.weight5{ font-weight:bold;} 
.weight6{ font-weight:bolder; } 
.size0{ font-size:12px; } 
.size1{ font-size:13px; } 
.size2{ font-size:14px; } 
.size3{ font-size:16px; } 
.size4{ font-size:20px; } 
.size5{ font-size:22px; } 
.size6{ font-size:24px; } 
</style>
 
<script language="javascript" type="text/javascript"> 
 function setTagCloudStyle(){ 
  var colors = new Array("color0","color1","color2","color3","color4",
  "color5","color6"); 
  var sizes = new Array("size0","size1","size2","size3"); 
  var weights = new Array("weight0","weight1","weight2","weight3",
  "weight4","weight5","weight6"); 
  var colorsLen = colors.length;//获取颜色样式个数 
  var sizesLen = sizes.length;//获取字体大小样式个数 
  var weightsLen = weights.length;//获取字体粗细样式个数 
    
  var tagCloud = document.getElementById("tagCloud"); 
  var tagLinks = tagCloud.getElementsByTagName("a"); 
  var tagLinksLen = tagLinks.length; 
  for(i = 0 ; i < tagLinksLen ; i++){ 
   tagLinks.className = colors[Math.floor(colorsLen*Math.random())] + "
  " + sizes[Math.floor(sizesLen*Math.random())]+ " " +         weights[Math.floor(weightsLen*Math.random())]; 
   //随机设置每个<a>标签的样式,以实现不同效果. 
  } 
 } 
  
 if(document.addEventListener){ 
  window.addEventListener('load',setTagCloudStyle,false); 
 }else{ 
  window.attachEvent('onload',setTagCloudStyle); 
 } 
 //绑定onload事件,在文档载入完毕启动setTagCloudStyle()函数; 
</script>
<div class="tagCloud" id="tagCloud">{dede:tag row='20' getall='1' sort='month'}<a href="http://www.dedecms51.com/[field:link/]">[field:tag /]</a>{/dede:tag}</div>