if (screen.width < 1024) {
  link = document.getElementById("main");
  link.href = "http://www.lomond-school.org/800x600/size800.css";
  link2 = document.getElementById("navcss");
  link2.href = "http://www.lomond-school.org/800x600/all_nav/main_nav/nav_small.css";
  link3 = document.getElementById("IE");
  link3.href = "http://www.lomond-school.org/800x600/ie_small.css";
  link4 = document.getElementById("IE6");
  link4.href = "http://www.lomond-school.org/800x600/ie6_small.css";
  
 }