window.moveTo(0,0); 
if (document.all) { 
top.window.resizeTo(screen.availWidth,screen.availHeight); 
} 
else if (document.layers||document.getElementById) { 
if (top.window.outerHeight<screen.availHeight||top.window.outerWidth<screen.availWidth){ 
top.window.outerHeight = screen.availHeight; 
top.window.outerWidth = screen.availWidth; 
} 
} 

function doit(){
if (!window.print){
alert("You need NS4.x to use this print button!")
return
}
window.print()
}
function cambio(boton){
document.getElementById(boton).className="botonover";
}
function normal(boton){
document.getElementById(boton).className="boton";
}