function shem(){
  var str;
  str = 'scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,width=905,height=800,screenX=530,screenY=400,left=200,top=0';
  window.open('/map.php', "show", str); 
}
function shemsp(){
  var str;
  str = 'scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,width=905,height=800,screenX=530,screenY=400,left=200,top=0';
  window.open('/sxem_sp.php', "show", str); 
}
function open_info(){
  var str;
  str = 'scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,width=905,height=800,screenX=530,screenY=400,left=200,top=0';
  window.open('/send_email.php', "show", str); 
}