RGBA to HEX alpha

script.js

window.setTimeout(function () {
	$(function () {
		$("#converter").submit(function(){return false;});
		$("#rgba").bind('keyup change', function () {
			var value = $(this).val();
			setHex(value);
		});
		$("#hex").bind('keyup change', function () {
			var value = $(this).val();
			setRgba(value);
		});
		setHex = function(val) {
			var valArr = val.split("(")[1].split(")")[0].split(","),
				red = toHex(valArr[0]),
				green = toHex(valArr[1]),
				blue = toHex(valArr[2]),
				alpha = toHex(valArr[3]*256) || 00;
			$("#hex").val("#" + red + green + blue + alpha);
		};
		setRgba = function(val) {
			var value = val.substring(1,9),
				red = parseInt(value.substring(0,2), 16),
				green = parseInt(value.substring(2,4), 16),
				blue = parseInt(value.substring(4,6), 16),
				alpha = Math.round((parseInt(value.substring(6,8), 16)/255)*100)/100;
			$("#rgba").val("rgba(" + red + "," + green + "," + blue + "," + alpha +")");
		};
		toHex = function(val) {
			val = parseInt(val);
			val = Math.max(0,val);
			val = Math.min(val,255);
			val = Math.ceil(val);
			return "0123456789ABCDEF".charAt((val-val%16)/16) + "0123456789ABCDEF".charAt(val%16);
		};
	});
}, 0);