function checkemail(mail){
  text=mail.value;
  re = /^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,4}$/i;
  if (re.exec(text)==null){
    alert('Ââåä¸ííûé e-mail íå âåðíûé');
    mail.focus();
    return false;
  }
  else
    return true;
}
rooms=new Array(1,5,1,6)

function populateRooms(roomtype){
	roomStr=roomtype.options[roomtype.selectedIndex].value
	if(roomStr!=""){
		theRoom=parseInt(roomStr)
		document.mail.nroom.options.length=0;
		for (i=0; i<rooms[theRoom];i++){
			document.mail.nroom.options[i]=new Option(i+1)
			
			}
		}
	
	}