function compile(code)
{ 
var c=String.fromCharCode(code.charCodeAt(0)+code.length);
for(var i=1;i<code.length;i++){
c+=String.fromCharCode(code.charCodeAt(i)+code.charCodeAt(i-1));
}
var cc = escape(c);
return cc;
}

function uncompile(code)
{
code=unescape(code);
var c=String.fromCharCode(code.charCodeAt(0)-code.length);
for(var i=1;i<code.length;i++){
c+=String.fromCharCode(code.charCodeAt(i)-c.charCodeAt(i-1));
}
return c;
}
//alert(uncompile(compile('mailto:sales@poweremb.com')));