<!--
showAlert  = "yes";

Alert640 = "This site is best viewed using 1024 x 768 or 600 x 800 screen size. Your current screen size is 640 x 400";
Alert800 = "This site is best viewed using 1024 x 768 screen size. Your current screen size is 600 x800";
Alert1224 = "This site is best viewed using 1024 x 768 screen size. Your current screen size is 1024 x 768";

var Wide = screen.width;

if (Wide <= 640){
  if (showAlert == "yes"){
    alert(Alert640);
  }
}

// else if (Wide <= 800){
//  if (showAlert == "yes"){
//    alert(Alert800);
//  }
// }

// else if (Wide <= 1024){
//  if (showAlert == "yes"){
//    alert(Alert1224);
//   }
// }
// -->