<script>
var nomber=3; 
var nomberMax=50;
var nomberMin=1; 


	function add_email(asd){
		if (nomber<=nomberMax)
		{
			nomber++;
			document.getElementById("emails").innerHTML+='<br><input type="text" name="e_mail[]" id="email'+nomber+'">';
		}
	}
	
</script>


<span id="emails">
<br><input type="text" name="e_mail[]" id="email1">
<br><input type="text" name="e_mail[]" id="email2">
<br><input type="text" name="e_mail[]" id="email3">
</span>

<button onclick="add_email('emails');"> + </button>

<script type="text/javascript">
var rows=5;
var next_id=6;
window.addEvent('domready', function(){
	$('add_row').addEvent('click', function(e) {
		e = new Event(e).stop();
		var erows = $('erows');
		var el = new Element('tr', {'id': 'u_'+next_id});
		var td1 = new Element('td').setHTML('<input type="text" name="u_name[]"/>').injectInside(el);
		var td2 = new Element('td').setHTML('<input type="text" name="u_mail[]"/>').injectAfter(td1);
		var td3 = new Element('td').setHTML('<input type="button" value="-" onClick="del_row('+next_id+', event)" class="hand" title="Удалить получателя" />').injectAfter(td2);
		el.injectInside(erows);
		next_id++;
		rows++;
	});
	$('sendForm').addEvent('submit', function(e) {
		/**
		* Prevent the submit event
		*/
		new Event(e).stop();
		$('act').value='send';
		/**
		* This empties the log and shows the spinning indicator
		*/
		var log = $('log_res').empty().addClass('ajax-loading');
		$('submitter1').disabled=true;
		/**
		* send takes care of encoding and returns the Ajax instance.
		* onComplete removes the spinner from the log.
		*/
		this.send({
			update: log,
			evalScripts: true,
			onComplete: function() {
				log.removeClass('ajax-loading');
			}
		});
	});

})

function del_row(id, e)
{
	e = new Event(e).stop();
	$('u_'+id).remove();
	rows--;
}
</script>