function doClick(url){
	url = decode64(url);
	window.open(url);
}
function u(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;
}