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<a href="http://www.gdgbn.com/blist-18-1.html" target="_blank" class="keylink">网页特效</a> 改变select 的selectedindex
<script>
 function fn_dodefaultselect ( theselect , thedefaultvalue )
    {
        if ( theselect )
        {
            for ( var i=0; i             {
                if ( theselect.options[i].value == thedefaultvalue )
                {
                    theselect.selectedindex = i ;
                    break;
                }
            }
        }
    }
</script>



 
 
 


本文来源：http://www.gdgbn.com/wangyezhizuo/28818/