function on1()
{if (!document.images) return; document.a.src = "imagens/link_bem_hospedagem2.jpg";}
function on2()
{if (!document.images) return; document.b.src = "imagens/link_bem_streaming2.jpg";}
function on3()
{if (!document.images) return; document.c.src = "imagens/link_bem_sistemas2.jpg";}
function on4()
{if (!document.images) return; document.d.src = "imagens/link_bem_site2.jpg";}
function on5()
{if (!document.images) return; document.e.src = "imagens/link_bem_dominio2.jpg";}
function on6()
{if (!document.images) return; document.f.src = "imagens/link_bem_cursos2.jpg";}
function on7()
{if (!document.images) return; document.g.src = "imagens/link_bem_certificado2.jpg";}
function on8()
{if (!document.images) return; document.h.src = "imagens/bot_cursos2.gif";}
function on9()
{if (!document.images) return; document.i.src = "imagens/bot_concurso2.gif";}

function off1()
{if (!document.images) return; document.a.src = "imagens/link_bem_hospedagem.jpg";}
function off2()
{if (!document.images) return; document.b.src = "imagens/link_bem_streaming.jpg";}
function off3()
{if (!document.images) return; document.c.src = "imagens/link_bem_sistemas.jpg";}
function off4()
{if (!document.images) return; document.d.src = "imagens/link_bem_site.jpg";}
function off5()
{if (!document.images) return; document.e.src = "imagens/link_bem_dominio.jpg";}
function off6()
{if (!document.images) return; document.f.src = "imagens/link_bem_cursos.jpg";}
function off7()
{if (!document.images) return; document.g.src = "imagens/link_bem_certificado.jpg";}
function off8()
{if (!document.images) return; document.h.src = "imagens/bot_cursos1.gif";}
function off9()
{if (!document.images) return; document.i.src = "imagens/bot_concurso1.gif";}

var imgslist = new Array(
"images/butt_home_sel.gif",
"images/butt_company_sel.gif",
"images/butt_products_sel.gif",
"images/butt_services_sel.gif",
"images/butt_contact_sel.gif"); 

var imgs=new Array(); 
for (x=0; x<imgslist.length; x++) 
 if (document.images) 
  {imgs[x]=new Image(); imgs[x].src = imgslist[x];}