var d = document;
var is_ie = (/msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent));
function GID(id) { return (is_ie) ? d.all[id] : d.getElementById(id); }
var winIE = (navigator.userAgent.indexOf("Opera")==-1 && (d.getElementById && d.documentElement.behaviorUrns)) ? true : false;
function bodySize(){
   if(winIE && (d.documentElement.clientWidth||document.body.clientWidth)) {
      sObj = GID("tablemain").style;
      sObj.width = ((d.documentElement.clientWidth||document.body.clientWidth)>1280) ? "1280px" : "100%";
   }
}
function init(){
   if(winIE) { bodySize(); }
}
onload = init;
if(winIE) { onresize = bodySize; }