window._isBlocked = false;
window._toogleBlok = function(){
  if(window._isBlocked){
    $('block').setStyle('display','none');
    window._isBlocked = false;
  }else{
    $('block').setStyle('display','block');
    $('block').setStyle('height', document.body.scrollHeight);
    window._isBlocked = true;    
  }
}
window._show = function(id){
  $(id).src = $(id).src;
  $(id).setStyle('display','block');      
}
window._close = function(id,close){
  $(id).setStyle('display','none');  
  if(close){
  	window.location.href = window.location.href;
  }
}