function on (scr,cor,scroll)
{
scr.style.backgroundColor=cor;
if (scroll=='1')
  scr.style.scrollbarTrackColor=cor;
}

function foco (scr,cor)
{
var tempval=eval(scr);
tempval.select();
scr.style.color=cor;
}

function desfoco (scr,cor)
{
var tempval=eval(scr);
tempval.blur();
scr.style.color=cor;
}