function show(name) {
if (name=="info1") info1.style.visibility="visible";
if (name=="info2") info2.style.visibility="visible";
if (name=="info3") info3.style.visibility="visible";
if (name=="info4") info4.style.visibility="visible";
if (name=="info5") info5.style.visibility="visible";
if (name=="info6") info6.style.visibility="visible";
if (name=="info7") info7.style.visibility="visible";
return true;
}
function hide(name) {
if (name=="info1") info1.style.visibility="hidden";
if (name=="info2") info2.style.visibility="hidden";
if (name=="info3") info3.style.visibility="hidden";
if (name=="info4") info4.style.visibility="hidden";
if (name=="info5") info5.style.visibility="hidden";
if (name=="info6") info6.style.visibility="hidden";
if (name=="info7") info7.style.visibility="hidden";
return true;
}