function resizeContent() {
  var cDiv = document.getElementById('maincontent');
  var menuWidth = document.getElementById('menuDiv').clientWidth;

  divWidth  = cDiv.clientWidth;
  divHeight = cDiv.clientHeight;
  divOffHeight = cDiv.offsetHeight;
  divOffWidth = cDiv.offsetWidth;
  divLeft   = cDiv.offsetLeft;
  divTop    = cDiv.offsetTop;
  divScrHeight = cDiv.scrollHeight;
  divScrWidth  = cDiv.scrollWidth;

  bodyObj = document.getElementById('bodyId');
  var browserWidth  = bodyObj.clientWidth;
  var browserHeight = bodyObj.clientHeight;
  if ( (browserWidth < 1000 ) || (browserWidth > 1200)) {
    cDiv.style.width = "320px";
    var cDivWidth = browserWidth-menuWidth-120;
    cDiv.style.width = cDivWidth +"px";

    var cbt = document.getElementById('cbt');
    var cbtWidth = cDivWidth+29+10;
    cbt.style.width = cbtWidth +"px";
    cbt.style.left = (menuWidth-3)+"px";

    var cbb = document.getElementById('cbb');
    var cbbWidth = cDivWidth+29+10;
    cbb.style.width = cbbWidth +"px";
    cbb.style.left = (menuWidth-3)+"px";

    var cbr = document.getElementById('cbr');
    cbr.style.left = "608px";
    var cbrLeft = cbt.offsetLeft + cDivWidth + 17;
    cbr.style.left = cbrLeft +"px";
  }

}