function ver_ro0(){
if(document.all){
document.all["roma0"].style.visibility="visible";
document.all["roma60"].style.visibility="hidden";
document.all["roma64"].style.visibility="hidden";
document.all["roma70"].style.visibility="hidden";
}
if(document.layers){
document.roma0.visibility="show";
document.roma60.visibility="hide";
document.roma64.visibility="hide";
document.roma70.visibility="hide";
}
if(document.getElementById){
document.getElementById('roma0').style.visibility="visible";
document.getElementById('roma60').style.visibility="hidden";
document.getElementById('roma64').style.visibility="hidden";
document.getElementById('roma70').style.visibility="hidden";
}
}

function ver_ro60(){
if(document.all){
document.all["roma0"].style.visibility="hidden";
document.all["roma60"].style.visibility="visible";
document.all["roma64"].style.visibility="hidden";
document.all["roma70"].style.visibility="hidden";
}
if(document.layers){
document.roma0.visibility="hide";
document.roma60.visibility="show";
document.roma64.visibility="hide";
document.roma70.visibility="hide";
}
if(document.getElementById){
document.getElementById('roma0').style.visibility="hidden";
document.getElementById('roma60').style.visibility="visible";
document.getElementById('roma64').style.visibility="hidden";
document.getElementById('roma70').style.visibility="hidden";
}
}

function ver_ro64(){
if(document.all){
document.all["roma0"].style.visibility="hidden";
document.all["roma60"].style.visibility="hidden";
document.all["roma64"].style.visibility="visible";
document.all["roma70"].style.visibility="hidden";
}
if(document.layers){
document.roma0.visibility="hide";
document.roma60.visibility="hide";
document.roma64.visibility="show";
document.roma70.visibility="hide";
}
if(document.getElementById){
document.getElementById('roma0').style.visibility="hidden";
document.getElementById('roma60').style.visibility="hidden";
document.getElementById('roma64').style.visibility="visible";
document.getElementById('roma70').style.visibility="hidden";
}
}

function ver_ro70(){
if(document.all){
document.all["roma0"].style.visibility="hidden";
document.all["roma60"].style.visibility="hidden";
document.all["roma64"].style.visibility="hidden";
document.all["roma70"].style.visibility="visible";
}
if(document.layers){
document.roma0.visibility="hide";
document.roma60.visibility="hide";
document.roma64.visibility="hide";
document.roma70.visibility="show";
}
if(document.getElementById){
document.getElementById('roma0').style.visibility="hidden";
document.getElementById('roma60').style.visibility="hidden";
document.getElementById('roma64').style.visibility="hidden";
document.getElementById('roma70').style.visibility="visible";
}
}