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Help in dhtml


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I was revising and spinning my hand in dhtml...i found some dificulties  someone answer these... 1.when i was making a form and the password feild i hide the actual letters by black dots and the problem is i made 2 coloumns 1 password and second confirm password.... but the process how to make a source like that they actually indeed check each other so that they are same or not... 2..then if the pass aren't matching then hw to display that text above the box they aren't same??? 3..if i make a restriction thatpass should be nt less than 5 letters ..then for that plz write a script VB based..! 4.if i make a list in drop down menu i added many things bt the user would be fed up to find his thing so if he wants delhi in list and their a lot of content in that so when he press d all things from d lettes should be highlited up...how make that script??

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1. You will need to use javascript to perform this operation.

Try with this set of javascript

function validate(form) {
var e = form.elements;

/* Your validation code. */

if(e['password'].value != e['confirm-password'].value) {
alert('Your passwords do not match. Please type more carefully.');
return false;
}
return true;
}with a form along the lines of

<form action="..." method="post" onsubmit="return validate(this);">
<!-- ... -->

<label>Password:
<input type="password" name="password" value="">
</label>
<label>Confirm password:
<input type="password" name="confirm-password" value="">
</label>

<!-- ... -->
</form>
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