document.getElementById("mailas").href = "mailto:";
document.getElementById("mailas").href = document.getElementById("mailas").href + "informacija";
document.getElementById("mailas").href = document.getElementById("mailas").href + "@";
document.getElementById("mailas").href = document.getElementById("mailas").href + "programeta.lt";

document.getElementById("mailas").innerHTML = "informacija";
document.getElementById("mailas").innerHTML = document.getElementById("mailas").innerHTML + "@";
document.getElementById("mailas").innerHTML = document.getElementById("mailas").innerHTML + "programeta.lt";