function openExhibition1()
{
window.open("exhibition/index.htm","Exhibition","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=1000,height=770,screenX=120,screenY=120");
}

function openExhibition2()
{
window.open("exhibition/index2.htm","Exhibition","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=1000,height=770,screenX=120,screenY=120");
}