Hexadecimal to RGB. Converts hex string to rgb string

gistfile1.js

/** 
 * 
 * getRGB("#ffffff")
 * rgb(255,255,255)
 * 
 */
function getRGB(hex) {

    	// check for hash
	hex = (hex.substr(0,1) == "#") ? hex.substr(1) : hex;

	// string to build rgb value
	var rgb = "rgb(";

	// loop through the hex string
	for (var i = 0; i <= 4; i += 2) {
		
		rgb += (parseInt(hex.substr(i, 2), 16))

		// don't want a comma after the last value so bail
		if (i == 4 ) break;

		rgb += ",";
	}

	rgb += ")";

	return rgb;

};