javascript color utilities

var color_utils = (function(){

	function getLong(color)
	{
		return color[0] << 16 | color[1] << 8 | color[2];	 		
	}

	function getRGB(color)
	{
		if(color.indexOf("#") == -1)
		{
			var r = (color>>16);
			var g = ((color>>8) & 0xff);
			var b = (color & 0xff);
		}
		else
		{
			var color = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(color);
			var r = parseInt(color[1], 16);
			var g = parseInt(color[2], 16);
			var b = parseInt(color[3], 16);
		}
		var rgb = [r,g,b];
		return rgb;
	}

	function getHEX(color)
	{
		if(color instanceof Array)
		{
			var r = color[0];
			var g = color[1];
			var b = color[2];
			return getHEX(getLong(r,g,b));	 			
		}
		else
		{
			var hex = Number(color).toString(16);
			hex = "000000".substr(0, 6 - hex.length) + hex; 
			return "#" + hex;
		}
	}

	return {
		getLong:function(r,g,b){return getLong(r,g,b);},
		getRGB:function(color){return getRGB(color);},
		getHEX:function(color){return getHEX(color);},
	}

})();