1function ascii_to_hex(str)
2  {
3	var arr1 = [];
4	for (var n = 0, l = str.length; n < l; n ++) 
5     {
6		var hex = Number(str.charCodeAt(n)).toString(16);
7		arr1.push(hex);
8	 }
9	return arr1.join('');
10   }