var oneElement=document.getElementById('id');
oneElement.onmouseout=function(){this.setAttribute('class','ListDefDataRow1');this.setAttribute('className','ListDefDataRow1');}
在FireFox下可直接用oneElement.setAttribute('onmouseout','this.className="ListDefDataRow1"');
oneElement.onmouseout=function(){this.setAttribute('class','ListDefDataRow1');this.setAttribute('className','ListDefDataRow1');}
在FireFox下可直接用oneElement.setAttribute('onmouseout','this.className="ListDefDataRow1"');