window.onload = function() {
	if (meinSpan = document.getElementById("mail_addy")) { 
		meinSpan.innerHTML="neue_Mailaddy";
		create_murx();
	}	
}

create_murx = function() { 
	z = '<a href="';
	y = 'mai';
	x = 'lto';
	w = ':';
	
	v = '">'
	
	
	a = "d";
	b = "s";
	c = "@";
	d = "ballyho";
	e = "omedia";
	f = ".";
	g = "de";
	praemurx = z + y + x + w;
	murx = a+b+c+d+e+f+g;
	postmurx = '</a>';
	meinSpan.innerHTML = praemurx +murx +v + murx + postmurx;
}