function disableEnterKey(e){
		var key = event.keyCode;
		return (key != 13);
	} 

	function buttonClicker(id, event){
		var key = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (key == 13){
			document.getElementById(id).click();
			return false;
		}
		return true;
	};

function trim11 (str) {
	str = str.replace(/^\s+/, '');
	for (var i = str.length - 1; i >= 0; i--) {
		if (/\S/.test(str.charAt(i))) {
			str = str.substring(0, i + 1);
			break;
		}
	}
	return str;
}

  function is_numeric(input){
    return !isNaN(input);
  }