jsp validation

enter name-___ enter number-__

I want that the focus should not go to number till the time u have entered name. Means the number text should be disabled.. i require code for it....

View Answers

April 11, 2011 at 1:17 PM

<html>
<script>
function validate(){
var nn=document.form.name.value;
var num=document.form.number.value;
if(nn==""){
  alert("Enter Name");
  document.form.name.focus();
  return false;
}
else{
  document.form.number.focus();
  document.form.number.disabled=false;
if(num==""){
   alert("Enter Number");
   return false;
}
}
return true;
}
</script>
<form name="form" onsubmit="javascript:return validate();">
<table>
<tr><td>Enter Name:</td><td><input type="text" name="name"></td></tr>
<tr><td>Enter Number:</td><td><input type="text" disabled name="number"></td></tr>
<tr><td></td><td><input type="submit" value="Submit"></td></tr>
</table>
</form>
</html>

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