function DisplayFicha()
{
top.frames[1].location = 'record/' + document.FORM1.numero.value + '.html'
}

function Prev()
{
var n = new Number(document.FORM1.numero.value)

n = n - 1
if (n<FIRST) n = FIRST

document.FORM1.numero.value = n

DisplayFicha()
}

function Next()
{
var n = new Number(document.FORM1.numero.value)

n = n + 1
if (n>LAST) n = LAST

document.FORM1.numero.value = n

DisplayFicha()
}

function start()
{
var n;
document.FORM1.numero.value = Math.round(740+3*Math.random())
n = Math.round(12*Math.random())

}