if (document.images)
{
    
  pica1 = new Image(165, 27); 
  pica1.src="/img/m_about_a.png"; 
  pica2 = new Image(165, 27); 
  pica2.src="/img/m_request_a.png"; 
  pica3 = new Image(165, 27); 
  pica3.src="/img/m_tutors_a.png"; 
  pica4 = new Image(165, 27); 
  pica4.src="/img/m_references_a.png"; 
  pica5 = new Image(165, 27); 
  pica5.src="/img/m_offer_a.png"; 
  pica6 = new Image(165, 27); 
  pica6.src="/img/m_library_a.png";

  picb1 = new Image(432, 81); 
  picb1.src="/img/b_about_a.gif"; 
  picb2 = new Image(432, 81); 
  picb2.src="/img/b_request_a.gif"; 
  picb3 = new Image(440, 81); 
  picb3.src="/img/b_tutors_a.gif"; 
  picb4 = new Image(432, 81); 
  picb4.src="/img/b_references_a.gif"; 
  picb5 = new Image(432, 81); 
  picb5.src="/img/b_offer_a.gif"; 
  picb6 = new Image(432, 81); 
  picb6.src="/img/b_library_a.gif";

  
}