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// validation so only numbers and commas can be entered into age fields
			$(".currency input").keydown(function(e) {
				//console.log(e.keyCode);
		        // Allow: backspace, delete, tab, escape, enter and .
		        if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 110, 188]) !== -1 ||
		             // Allow: Ctrl+A, Command+A
		            (e.keyCode == 65 && ( e.ctrlKey === true || e.metaKey === true ) ) ||
		             // Allow: home, end, left, right, down, up
		            (e.keyCode >= 35 && e.keyCode <= 40)) {
		                 // let it happen, don't do anything
		                 return;
		        }
		        // Ensure that it is a number and stop the keypress
		        if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
		            e.preventDefault();
		        }
		    });