function switchpic(img_src) {
 document.getElementById('tapestry').src=img_src;
}

function switchdiv(name) {
 nodes = document.getElementById('body').childNodes;
 for (k in nodes) {
   if (nodes[k].id && nodes[k].style) {
     if (nodes[k].id == name) nodes[k].style.display = 'block';
     else nodes[k].style.display = 'none';
   }
 }
}

function switchtext(name) {
 nodes = document.getElementById('bodytext').childNodes;
 for (k in nodes) {
   if (nodes[k].id && nodes[k].style) {
     if (nodes[k].id == name) nodes[k].style.display = 'block';
     else nodes[k].style.display = 'none';
   }
 }
}