var smallStylesheetLink  = "stylesheets/smallmenu.css"; // Small menu used for resolutions under 1024 x 768
var normalStylesheetLink = "stylesheets/menu.css"; // Standard menu
function setStyle() {
   var width, height;
   var width_break_point = 1023; //1024; // 1024 x 768 or 800 x 600
   var height_break_point = 767; //768;
   var screen_resolution = document.getElementById("screen_resolution");
   if ( window.innerWidth ) {
      width = window.innerWidth;
      height = window.innerHeight;
   } else if ( document.documentElement.clientWidth ) {
      width = document.documentElement.clientWidth;
      height = document.documentElement.clientHeight;
   } else if( document.body.clientWidth ) {
      width = document.body.clientWidth;
      height = document.body.clientHeight;
   }
   var stylesheetLink = document.getElementById("stylesheetLink");
   var useSmall = ( (width <= width_break_point) && (height <= height_break_point) );
   stylesheetLink.setAttribute("href", (useSmall ? smallStylesheetLink : normalStylesheetLink));
   //screen_resolution.value = 'Testing... useSmall:' + useSmall + '\tScreen resoultion:' + width + 'x' + height + '\tBreak Points: ' + width_break_point + 'x' + height_break_point + '\tstylesheetLink:' + stylesheetLink.getAttribute('href');
}