让表单只能提示一次

网页特效

<script>
function submitonce(theform){
if (document.all||document.getElementById){
for (i=0;i<theform.length;i++){
var tempobj=theform.elements[i]
if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
tempobj.disabled=true
}
}
}
</script>
<!--注意在FORM属性中加入  onsubmit="submitonce(this);return false" -->
<FORM name=form2 onsubmit="submitonce(this);return false" action="" method=post>
<INPUT name=textfield> <INPUT type=submit value=提交 name=Submit> <INPUT type=reset value=重设 name=Submit2>
</FORM>