var coding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMabcdefghijklmnopqrstuvwxyzabcdefghijklm';

function rotate(str) {
	position = coding.indexOf(str);
	if (position > -1) {
		chr = coding.charAt(position + 13);
		return chr;
	}
	else {
		return str;
	}
}

function send_email() {
	var email_array = new Array();

	email_array[email_array.length] = 'r';
	email_array[email_array.length] = 'a';
	email_array[email_array.length] = 'd';
	email_array[email_array.length] = 'h';
	email_array[email_array.length] = 'v';
	email_array[email_array.length] = 'e';
	email_array[email_array.length] = 'v';
	email_array[email_array.length] = 'r';
	email_array[email_array.length] = 'f';
	email_array[email_array.length] = '@';
	email_array[email_array.length] = 'r';
	email_array[email_array.length] = 'y';
	email_array[email_array.length] = 'r';
	email_array[email_array.length] = 'p';
	email_array[email_array.length] = 'g';
	email_array[email_array.length] = 'e';
	email_array[email_array.length] = 'v';
	email_array[email_array.length] = 'x';
	email_array[email_array.length] = '.';
	email_array[email_array.length] = 'p';
	email_array[email_array.length] = 'b';
	email_array[email_array.length] = 'z';
	email_array[email_array.length] = '.';
	email_array[email_array.length] = 'n';
	email_array[email_array.length] = 'h';

	var e_str = new String();
	for (i in email_array) {
		e_str += rotate(email_array[i]);
	}

	document.location.href = "mailto: "+e_str;
}