var gong= eval("document.all.gong") 是传的是指针还是新的对象
<SCRIPT LANGUAGE="JavaScript">
<!--
function mm(gong)
{
var gong= eval("document.all.sample") ;
gong.readonly=false;
gong.style.backgroundColor="white";
alert(gong.disabled);
alert(eval("document.all.byProcesscode.name"));
alert(gong.name+" -");
}
//--></SCRIPT>
<br>Enter new value : <input name="sample"><br>
<INPUT type="checkbox" name="byProcesscode" value="by" onclick="mm(this)">