function onlyNumbers(evt)
{
	var e = event || evt; // for trans-browser compatibility
	var charCode = e.which || e.keyCode;

	if (charCode > 31 && (charCode < 48 || charCode > 57))
		return false;

	return true;

}



window.addEvent('domready',function(){

	$('PriceCalculator_Adults').addEvent('keypress',function(e){
		return onlyNumbers();
	});
	
	
});