function checkIt(evt) {
    evt = (evt) ? evt : window.event
    var charCode = (evt.which) ? evt.which : evt.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
        status = "This field accepts numbers only."
        return false
    }
//if (e.shiftkey) return false;
    status = ""
    return true
}

function showbtn() {}

function senddata() {
  if($j('#visits').val() != "" && $j('#conversions').val() != "" && $j('#profit').val() != "") {
	$j('#showcf').css('display', 'none');
	var url = "http://www.netstudio.gr/conversionratecalculator/ajax.php?lang=el";
	var postString = "visits=" + $j('#visits').val() + "&conversions=" + $j('#conversions').val() + "&profit=" + $j('#profit').val() + "&cost=" + $j('#cost').val();
	/*new Ajax(url, {
		method: 'post',
		data: postString,
		update: $('results')
	}).request();*/
	$j('#results').load(url+'&'+postString);
  }
}

$j(document).ready(function(){
	$j('#visits, #conversions, #profit, #cost').bind('change',function(){
		showbtn();
	});
	$j('#calculatecr').click(function(){
		senddata();
	});
});

/*window.addEvent('domready', function(){
$('visits').addEvent('change', function(e) {
	showbtn();
});
$('conversions').addEvent('change', function(e) {
	showbtn();
});
$('profit').addEvent('change', function(e) {
	showbtn();
});
$('cost').addEvent('change', function(e) {
	showbtn();
});
$('calculatecr').addEvent('click', function(e) {
	senddata();
});

});*/