GUID

gistfile1.js

var guid = (function () {
	
	var _randomHex = function () {
		return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
	};
	
	var _new = function () {
		var UUID = [];
		var n = 8;
		while (n--) {
			UUID.push(_randomHex());
		}
		return UUID;
	};
	
	var _toString = function (separator) {
		var result = _new();
		
		if (separator)
		{
			result = (result[0]+result[1]+"-"+result[2]+"-"+result[3]+"-"+result[4]+"-"+result[5]+result[6]+result[7])
		}
		else
		{
			result = result.join('');
		}
		
		return result;
	};
	
	return {  
		toString: _toString	
	};
})();