function resizeAdjust(){

  var viewportwidth;
  var viewportheight;

 function setSize(viewportWidth){
  if(viewportWidth <= 910){
  
   if(document.getElementsByTagName('body')[0].id == 'body'){
    document.getElementsByTagName('body')[0].id = 'body-thin';
   }
   
  } else {
  
   if(document.getElementsByTagName('body')[0].id == 'body-thin'){
    document.getElementsByTagName('body')[0].id = 'body';
   }
   
  }
 }
  
  // the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight
  if (typeof window.innerWidth != 'undefined')
  {
    viewportwidth = window.innerWidth;
    viewportheight = window.innerHeight;
    setSize(viewportwidth);
  }
  
 // IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)
  else if (typeof document.documentElement != 'undefined'
   && typeof document.documentElement.clientWidth !=
   'undefined' && document.documentElement.clientWidth != 0)
  {
     viewportwidth = document.documentElement.clientWidth;
     viewportheight = document.documentElement.clientHeight;
     setSize(viewportwidth);
  }
  
  // older versions of IE  
  else
  {
     viewportwidth = document.getElementsByTagName('body')[0].clientWidth;
     viewportheight = document.getElementsByTagName('body')[0].clientHeight;
     setSize(viewportwidth);
  } 
}