function checkform(form)
{
    if (form.erkezes.value == "Date of your arrival" || form.erkezes.value == "") {
    alert( "Please enter your chek-in date!" );
    form.erkezes.focus();
    return false ;
  }
    if (form.tavozas.value == "Date of your departure" || form.tavozas.value == "") {
    alert( "Please enter your chek-out date!" );
    form.tavozas.focus();
    return false ;
  }
    if (form.vendegek.value == "Hölgy vendégek száma") {
    alert( "Please enter the number of guests!" );
    form.vendegek.focus();
    return false ;
  }
  if(parseInt(form.vendegek.value)!=form.vendegek.value){ 
   alert("Please use only numbers to enter the number of guests!"); 
   form.vendegek.focus()
   return false; 
   }
  if (parseInt(form.vendegek.value) >12) {
  alert("Our hostel is able to give accomodation for 12 girls maximum.");
  return false;
  }
  return true ;
}
function CheckMultiple2(frm, name) {
				for (var i=0; i < frm.length; i++)
				{
					fldObj = frm.elements[i];
					fldId = fldObj.id;
					if (fldId) {
						var fieldnamecheck=fldObj.id.indexOf(name);
						if (fieldnamecheck != -1) {
							if (fldObj.checked) {
								return true;
							}
						}
					}
				}
				return false;
			}
function CheckForm2(f) {
			if (f.CustomFields_2_2.value == "Your name") {
				alert("Please enter your name!");
				f.CustomFields_2_2.focus();
				return false;
			}
			if (f.email.value == "Your e-mail address") {
				alert("Please enter your email address!");
				f.email.focus();
				return false;
			}
		
				if (f.captcha.value == "Enter security code") {
					alert("Please enter the security code shown!");
					f.captcha.focus();
					return false;
				}
			
				return true;
			};