function Show(page) 
{
if (document.getElementById(page).style.display=="block")
{
document.getElementById(page).style.display="none";
}
else
{
document.getElementById(page).style.display="block";
}
}




<!--
 function wopen() { window.open("","wopen","width=750, height=500 , status=no,menubar=yes,resizable=no,toolbar=no,scrollbars=yes,directories=no")
 }
// -->
<!--
 function wopen2() { window.open("","wopen","width=750, height=400 , status=no,menubar=yes,resizable=no,toolbar=no,scrollbars=yes,directories=no")
 }
// -->