var i=0

function altercontent(i){
//if IE 4+
if (document.all)
dcontent.innerHTML=mycontent[i];
//else if NS 4
else if (document.layers){
document.ns4dcontent.document.ns4dcontent2.
document.write(mycontent[i]);
document.ns4dcontent.document.ns4dcontent2.
document.close();
}
//else if NS 6 (supports new DOM)
else if (document.getElementById){
rng = document.createRange();
el = document.getElementById("dcontent");
rng.setStartBefore(el);
htmlFrag = rng.createContextualFragment(mycontent[i]);
while (el.hasChildNodes())
el.removeChild(el.lastChild);
el.appendChild(htmlFrag);
}
}

function altercontenta(i){
//if IE 4+
if (document.all)
adcontent.innerHTML=mycontent[i];
//else if NS 4
else if (document.layers){
document.ans4dcontent.document.ans4dcontent2.
document.write(mycontent[i]);
document.ans4dcontent.document.ans4dcontent2.
document.close();
}
//else if NS 6 (supports new DOM)
else if (document.getElementById){
rng = document.createRange();
el = document.getElementById("adcontent");
rng.setStartBefore(el);
htmlFrag = rng.createContextualFragment(mycontent[i]);
while (el.hasChildNodes())
el.removeChild(el.lastChild);
el.appendChild(htmlFrag);
}
}