if (document.images)
{ //if image object is available
     img1on = new Image(); // MouseOver Images
     img1on.src = "images/bt_home2.gif";
     img2on = new Image();
     img2on.src = "images/bt_calendar2.gif";
     img3on = new Image();
     img3on.src = "images/bt_oportunidades2.gif";
     img4on = new Image();
     img4on.src = "images/bt_comprar2.gif";
     img5on = new Image();
     img5on.src = "images/bt_vender2.gif";
     img6on = new Image();
     img6on.src = "images/bt_empresa2.gif";
     img7on = new Image();
     img7on.src = "images/bt_clientes2.gif";
     img8on = new Image();
     img8on.src = "images/bt_cadastro2.gif";
     img9on = new Image();
     img9on.src = "images/bt_contato2.gif";
     img10on = new Image();
     img10on.src = "images/bt_mapa2.gif";
     img11on = new Image();
     img11on.src = "images/bt_leiloeiro2.gif";

     img1off = new Image(); // MouseOut Images
     img1off.src = "images/bt_home1.gif";
     img2off = new Image();
     img2off.src = "images/bt_calendar1.gif";
     img3off = new Image();
     img3off.src = "images/bt_oportunidades1.gif";
     img4off = new Image();
     img4off.src = "images/bt_comprar1.gif";
     img5off = new Image();
     img5off.src = "images/bt_vender1.gif";
     img6off = new Image();
     img6off.src = "images/bt_empresa1.gif";
     img7off = new Image();
     img7off.src = "images/bt_clientes1.gif";
     img8off = new Image();
     img8off.src = "images/bt_cadastro1.gif";
     img9off = new Image();
     img9off.src = "images/bt_contato1.gif";
     img10off = new Image();
     img10off.src = "images/bt_mapa1.gif";
     img11off = new Image();
     img11off.src = "images/bt_leiloeiro1.gif";
}

function imgOn(imgName)
{
     if (document.images)
     {
          document[imgName].src = eval(imgName + "on.src");
     }
}

function imgOff(imgName)
{
     if (document.images)
     {
          document[imgName].src = eval(imgName + "off.src");
     }
}
function TelaNova(URL){
        var flasbidWin = window.open(URL,"flashbid"," width="+screen.width+",height="+screen.height+" , status=no, menubar=no,resizable=yes, minimizable=yes, titlebar=yes");
        flasbidWin.moveTo(0,0);
}

function TelaNova2(URL) {
        var flasbidWin = window.open(URL,"flashbid"," width="+screen.width+",height="+screen.height+" , status=no, scrollbars=yes,menubar=no,resizable=yes, minimizable=yes, titlebar=yes");
        flasbidWin.moveTo(0,0);
}