function on1() 
{if (!document.images) return; document.a.src = "01_buton_dt_180_L.jpg";} 
function on2() 
{if (!document.images) return; document.b.src = "02_buton_dt_200_L.jpg";}
function on3() 
{if (!document.images) return; document.c.src = "03_buton_turuna_L.jpg";}
function on4() 
{if (!document.images) return; document.d.src = "04_buton_dicas_L.jpg";}
function on5() 
{if (!document.images) return; document.e.src = "05_buton_servicos_L.jpg";}
function on6() 
{if (!document.images) return; document.f.src = "06_buton_manual_L.jpg";}
function on7() 
{if (!document.images) return; document.g.src = "07_buton_garantia_L.jpg";}
function on8() 
{if (!document.images) return; document.h.src = "08_buton_contato_L.jpg";}

function off1() 
{if (!document.images) return; document.a.src = "01_buton_dt_180_P.jpg";}
function off2() 
{if (!document.images) return; document.b.src = "02_buton_dt_200_P.jpg";}
function off3() 
{if (!document.images) return; document.c.src = "03_buton_turuna_P.jpg";}
function off4() 
{if (!document.images) return; document.d.src = "04_buton_dicas_P.jpg";}
function off5() 
{if (!document.images) return; document.e.src = "05_buton_servicos_P.jpg";}
function off6() 
{if (!document.images) return; document.f.src = "06_buton_manual_P.jpg";}
function off7() 
{if (!document.images) return; document.g.src = "07_buton_garantia_P.jpg";}
function off8() 
{if (!document.images) return; document.h.src = "08_buton_contato_P.jpg";}


var imgslist = new Array(
"01_buton_dt_180_L.jpg",
"02_buton_dt_200_L.jpg",
"/03_buton_turuna_L.jpg",
"04_buton_dicas_L.jpg",
"05_buton_servicos_L.jpg",
"06_buton_manual_L.jpg",
"07_buton_garantia_L.jpg",
"08_buton_contato_L.jpg"); 

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