startValue = '0.00000001', // Don't lower the decimal point more than 4x of current balance
stopPercentage = 0.001, 
maxWait = 777,
stopped = false, // debugging
stopBefore = 1; // In minutes for timer before stopping redirect on webpage
var $loButton = $('#double_your_btc_bet_lo_button'),
$hiButton = $('#double_your_btc_bet_hi_button');
function multiply(){ 
var current = $('#double_your_btc_stake').val();
var multiply = (current * 2).toFixed(8);
$('#double_your_btc_stake').val(multiply);