function showSubMenu(obj)
{

obj.getElementsByTagName('div').item(1).style.display = 'block';
}
//----------------------------
function hideSubMenu(obj)
{
obj.getElementsByTagName('div').item(1).style.display = 'none';
}
//---------------------------------
function showBigImage(obj)
{
var path = obj.src.replace(".jpg","_big.jpg");
window.open(path,"_blank","location=no,status=no,menubar=no");
return false;
}