function rot13(prefix,suffix){
	rot13Array = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");
	rot13Array["a"] = "n";
	rot13Array["b"] = "o";
	rot13Array["c"] = "p";
	rot13Array["d"] = "q";
	rot13Array["e"] = "r";
	rot13Array["f"] = "s";
	rot13Array["g"] = "t";
	rot13Array["h"] = "u";
	rot13Array["i"] = "v";
	rot13Array["j"] = "w";
	rot13Array["k"] = "x";
	rot13Array["l"] = "y";
	rot13Array["m"] = "z";
	rot13Array["n"] = "a";
	rot13Array["o"] = "b";
	rot13Array["p"] = "c";
	rot13Array["q"] = "d";
	rot13Array["r"] = "e";
	rot13Array["s"] = "f";
	rot13Array["t"] = "g";
	rot13Array["u"] = "h";
	rot13Array["v"] = "i";
	rot13Array["w"] = "j";
	rot13Array["x"] = "k";
	rot13Array["y"] = "l";
	rot13Array["z"] = "m";
	var newPrefix = "";
	var newSuffix = "";
	for (var i = 0; i < prefix.length; i++) {
		if (prefix.charAt(i) == ".") {
			newPrefix += ".";
		} else {
			newPrefix += rot13Array[prefix.charAt(i)];
		}
	}
	for (var j = 0; j < suffix.length; j++) {
		if (suffix.charAt(j) == ".") {
			newSuffix += ".";
		} else {
			newSuffix += rot13Array[suffix.charAt(j)];
		}
	}
	window.location = "mailto:" + newPrefix + "@" + newSuffix;
}