请教高手,急!!在线等!

Question

look
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<style>
.box{
width:100px;
height:100px;
border:1px solid #888;
}</style><script language="javascript">
function Switch(num){
var div1 = document.getElementById("div1");
var div2 = document.getElementById("div2");
if(num=="0"){
div1.style.display="none";
div2.style.display="";
}
else{
div1.style.display="";
div2.style.display="none";
}
}document.body.onload=function(){
Switch(document.form1.r1.value);

}
</script><form action="" name="form1">
<input type="radio" value="1" name="r1" checked onclick="Switch(this.value);">是
<input type="radio" value="0" name="r1" onclick="Switch(this.value);">否
</form><div class="box" id="div1">
是的问题
</div><div class="box" id="div2">
否的问题
</div>

Answer 1

objdiv.style.display = "none";