// JavaScript Document

function trees() {	
	counter (85050000,0.0875,"trees") ;
	setTimeout('trees()', 50) ;		
}
function co2() {	
	counter (6480000000,0.278,"co2") ;
	setTimeout('co2()', 50) ;		
}

function counter(base,ratio,id) {
	var counter = 0;
	var now = new Date();
	var start = 1.15681E+12;
	counter = now.getTime();
	var new_trees = ( counter - start ) * ratio ;	
	var tree_base = base;	
	var trees = tree_base + new_trees ;
	document.getElementById(id).innerHTML = addCommas(Math.round(trees));			
}
function addCommas(nStr)
{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}