var id_description = top.document.getElementById('id_description');
var id_galerie = top.document.getElementById('id_galerie');
var id_complements = top.document.getElementById('id_complements');
var id_variants = top.document.getElementById('id_variants');
var scroll_up = 100;
function hide_blocks()
{
  return 0;
  if (id_description != null)
	  id_description.style.display = 'block';

  if (id_galerie != null)
	  id_galerie.style.display = 'none';

  if (id_complements != null) 
	  id_complements.style.display = 'none';

  if (id_variants != null)
	  id_variants.style.display = 'none';
}

hide_blocks();



function show_description()
{
  //hide_blocks();
  id_description.style.display = 'block';
  document.location.href="#h_description";		
  document.documentElement.scrollTop = document.documentElement.scrollTop - scroll_up;			  	  
}

function show_galerie()
{
  //hide_blocks();
  id_galerie.style.display = 'block';
  document.location.href="#h_galerie";
  document.documentElement.scrollTop = document.documentElement.scrollTop - scroll_up;			  
}

function show_complements()
{
  //hide_blocks();
  id_complements.style.display = 'block';			
  document.location.href="#h_complements";	
  document.documentElement.scrollTop = document.documentElement.scrollTop - scroll_up;			  
}

function show_variants()
{
  //hide_blocks();
  id_variants.style.display = 'block';
  document.location.href="#h_variants";	
  document.documentElement.scrollTop = document.documentElement.scrollTop - scroll_up;
}