function showPage(origin,destin)
 {
document.getElementById(origin).style.display="none";
document.getElementById(destin).style.display="block";
 }

function resetPage(origin)
 {
document.getElementById(origin).style.display="none";
document.getElementById("cath").style.display="block";
 }

function openPoem(destin)
 {
scroll(0,0);
document.getElementById("sbc1").style.display="none";
document.getElementById("sbc2").style.display="none";
document.getElementById("sotf1").style.display="none";
document.getElementById("sotf2").style.display="none";
document.getElementById("sotf3").style.display="none";
document.getElementById("sotf4").style.display="none";
document.getElementById("sotf5").style.display="none";
document.getElementById("sotf6").style.display="none";
document.getElementById("sotf7").style.display="none";
document.getElementById("sotf8").style.display="none";
document.getElementById("lit1").style.display="none";
document.getElementById("lit2").style.display="none";
document.getElementById("lit3").style.display="none";
document.getElementById("bas1").style.display="none";
document.getElementById("bas2").style.display="none";
document.getElementById("bas3").style.display="none";
document.getElementById("slides").style.display="none";
document.getElementById("abs1").style.display="none";
document.getElementById("abs2").style.display="none";
document.getElementById("abs3").style.display="none";
document.getElementById("abs4").style.display="none";
document.getElementById("abs5").style.display="none";
document.getElementById("afh1").style.display="none";
document.getElementById("afh2").style.display="none";
document.getElementById("afh3").style.display="none";
document.getElementById("afh4").style.display="none";
document.getElementById("afh5").style.display="none";
document.getElementById("cath").style.display="none";
document.getElementById(destin).style.display="block";
 }