// JavaScript Document
function ShowHide(id1,id2) {
    obj = document.getElementsByTagName("div");
    obj[id1].style.visibility = 'visible';
	obj[id2].style.visibility = 'hidden';
	
}



function change_color(id1,id2) {
  document.getElementById(id1).style.color = "#000";
  document.getElementById(id2).style.color = "#330000";
}