function ffBody() {
  
  var ow = getPageSize();
  
  if (ow[0] > 1280 || ow[2] > 1280) {
    document.getElementById('tab_th').style.width = 1272+'px';
    document.getElementById('tab_swf').style.width = 1272+'px';
    document.getElementById('tab_cont').style.width = 1272+'px';
  } else {
    
    document.getElementById('tab_th').style.width = 100+'%';
    document.getElementById('tab_swf').style.width = 100+'%';
    document.getElementById('tab_cont').style.width = 100+'%';
    
  }
  
  return true;
}

function getPageSize() {
  var xScroll, yScroll;
  
  if (window.innerHeight && window.scrollMaxY) {
          xScroll = document.body.scrollWidth;
          yScroll = window.innerHeight + window.scrollMaxY;
  } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
          xScroll = document.body.scrollWidth;
          yScroll = document.body.scrollHeight;
  } else if (document.documentElement && document.documentElement.scrollHeight > document.documentElement.offsetHeight){ // Explorer 6 strict mode
          xScroll = document.documentElement.scrollWidth;
          yScroll = document.documentElement.scrollHeight;
  } else { // Explorer Mac...would also work in Mozilla and Safari
          xScroll = document.body.offsetWidth;
          yScroll = document.body.offsetHeight;
  }
  
  var windowWidth, windowHeight;
  if (self.innerHeight) { // all except Explorer
          windowWidth = self.innerWidth;
          windowHeight = self.innerHeight;
  } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
          windowWidth = document.documentElement.clientWidth;
          windowHeight = document.documentElement.clientHeight;
  } else if (document.body) { // other Explorers
          windowWidth = document.body.clientWidth;
          windowHeight = document.body.clientHeight;
  }
  
  // for small pages with total height less then height of the viewport
  if(yScroll < windowHeight){
          pageHeight = windowHeight;
  } else {
          pageHeight = yScroll;
  }
  
  // for small pages with total width less then width of the viewport
  if(xScroll < windowWidth){
          pageWidth = windowWidth;
  } else {
          pageWidth = xScroll;
  }
  
  return [pageWidth,pageHeight,windowWidth,windowHeight];
}