// JavaScript Document
function validate(form_id,email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   if(reg.test(address) == false) {
      alert('Helytelen email cím');
      return false;
	  }
}
var state = 'none';
function showhide(layer_ref) {
if (state == 'block') { state = 'none'; } else { state = 'block'; }
if (document.all) { eval( "document.all." + layer_ref + ".style.display = state"); }
if (document.layers) { document.layers[layer_ref].display = state; }
if (document.getElementById &&!document.all) { hza = document.getElementById(layer_ref); hza.style.display = state; } }

function zoom(linkb){
	var img = '<img src="banners/'+linkb+'"/>';
	document.getElementById('bannerzoom').innerHTML = img;
	}

function zoomoff(){
	document.getElementById('bannerzoom').innerHTML = '';
	}
	
var ujreceptdb = 1;
function addfield(){
	AddFormField1('osszetevok','text','','','div');
	AddFormField2('mennyiseg','text','','','div');
	document.getElementById('osszdb').value = ujreceptdb;
	ujreceptdb++;
	}