encrypt = function(input,num,type) {
	output = "";
	num++;
	char_set = '$%^NOZ1&PQR(./~`CDEFG-!@STUVWZghij}:<pHB*#8uvw=x>?[]\',ef34590qrklmnoIJ)_+{st67 abcdAyzKLM2Y';
	
	alpha_length = char_set.length - num;

	for (loop=0; loop<input.length; loop++) {
	
		//if (char_set.indexOf(input.charAt(loop)) == -1) {
		//trace("Unknown Character!");
		//}
	
		char_code = char_set.indexOf(input.charAt(loop));	
		
		if (type=="encode"){
			//encode
			if (char_code + num > char_set.length){
				space = char_set.length - char_code;
				char_code = num - space;
			}else{
				char_code += num;
			}
		}else{
		//decode
			if (char_code - num < 0){
				space = num - char_code;
				char_code = char_set.length - space;
			}else{
				char_code -= num;
			}
		}

		output += char_set.charAt(char_code);
	}

	return (output);
}

output = encrypt(dataXML,5,"encode");