function chbottle(el)
{
  document.getElementById('detail').src='/upload/products/img_'+el.id+'.jpg';
   var bottles=document.getElementById('bottles');
 	for (var i=0; i<bottles.childNodes.length; i++)
  {
  	bottles.childNodes[i].style.cursor='pointer';
   	bottles.childNodes[i].childNodes[0].src='/upload/products/img_small_'+bottles.childNodes[i].id+'.jpg';
  }
  el.style.cursor='';
  el.childNodes[0].src='/upload/products/no_image'+el.className+'.gif';
};