设置页面上所有输入框、下拉框都disabled

<script language="javascript" type="">

function readonly(){

//document.getElementById("readonly").innerHTML='注：不能修改，只能查询';

var selectlist=document.getElemen tsByTagName("select");

for(var i=0;i<selectlist.length;i++){

     selectlist[i].disabled=true;

}

var inputlist=document.getElemen tsByTagName("input");

for(var i=0;i<inputlist.length;i++){

     inputlist[i].disabled=true;

}

}

</script>

<div style="display: inline;"><font size="6"><b>修改供应商</b></font></div>原标题

<div style='color: red;display: inline' id='readonly'></div>