function init() {
  window.onresize = set_window_size;
  glob_width = document.getElementById("c_td1").offsetWidth;
  set_window_size();
}

function set_window_size(){
  bwidth = document.getElementById("idexbody").offsetWidth;
  
  if(bwidth>=1280){
    cwidth=1280;
  }else{
    if(bwidth<800){
      cwidth=800;
    }else{
      cwidth = bwidth;
    }
  }
  document.getElementById("site_header").style.width = cwidth-20+'px';
  document.getElementById("site_content").style.width = cwidth-20+'px'; 
  document.getElementById("conttbl").style.width = cwidth-20+'px';

  document.getElementById("filler").style.width =  cwidth-40+'px';
  document.getElementById("conttbl2").style.width =  cwidth-40+'px';
  document.getElementById("site_footer").style.width = cwidth-40+'px';
  glob_width = document.getElementById("c_td1").offsetWidth;
}