function layout() {
  var masthead = getObj("HYA_framework_masthead");
  var objTabs = getObj("HYA_framework_obj_tabs");
  var contentTabs = getObj("HYA_framework_content_tabs");
  var splitter = getObj("HYA_framework_splitter");

  var objectPallet = getObj("HYA_framework_objectpallet");
  objectPallet.style.width = Math.min(Math.max(3, splitter.offsetLeft + splitter.offsetWidth + 3), document.body.clientWidth - 6);
  objectPallet.style.height = document.body.clientHeight - masthead.offsetHeight - parseInt(objTabs.style.height) + 1;
  objectPallet.style.top = masthead.offsetHeight; 

  var objectPalletContent = getObj("HYA_framework_objectpallet_content");
  objectPalletContent.style.width = Math.max(0, objectPallet.offsetWidth - splitter.offsetWidth - 5);
  objectPalletContent.style.height = objectPallet.offsetHeight;
  objectPalletContent.style.top = masthead.offsetHeight; 
 
  splitter.style.top = document.body.clientHeight/2 + 31;

  var content = getObj("HYA_framework_content");
  content.style.width = document.body.clientWidth - objectPallet.offsetWidth; 
  content.style.height = document.body.clientHeight - masthead.offsetHeight - contentTabs.offsetHeight + 1; 
  content.style.left = objectPallet.offsetWidth; 
  content.style.top = masthead.offsetHeight; 

  objTabs.style.width = objectPallet.offsetWidth; 
  
  contentTabs.style.left = objectPallet.offsetWidth; 
  contentTabs.style.width = document.body.clientWidth - objectPallet.offsetWidth; 

  var rwProcessBar = getObj("RWprocessBar");
  if (rwProcessBar != null) {
    rwProcessBar.style.top = masthead.offsetHeight - rwProcessBar.offsetHeight;
  }
}

function beginDrag(node, event) {
  var deltaX = event.clientX - node.offsetLeft;
  var deltaY = event.clientY - node.offsetTop;

  if (document.addEventListener) { // DOM Level 2 Event Model
    document.addEventListener("mousemove", moveHandler, true);
    document.addEventListener("mouseup", upHandler, true);
  } else if (document.attachEvent) { // IE 5+ Event Model
    document.attachEvent("onmousemove", moveHandler);
    document.attachEvent("onmouseup", upHandler);
  } else { // IE 4 Event Model
    var oldmovehandler = document.onmousemove;
    var olduphandler = document.onmouseup;
    document.onmousemove = moveHandler;
    document.onmouseup = upHandler;
  }

  if (event.stopPropagation)
    event.stopPropagation(); // DOM Level 2
  else
    event.cancelBubble = true; // IE

  if (event.preventDefault)
    event.preventDefault(); // DOM Level 2
  else
    event.returnValue = false; // IE

  function moveHandler(e) {
    if (!e)
      e = window.event; // IE event model

//  node.style.left = e.clientX - deltaX;
//  node.style.top = e.clientY - deltaY;
    node.style.left = Math.min(Math.max(3, e.clientX - deltaX), document.body.clientWidth-6);

    if (e.stopPropagation)
      e.stopPropagation(); // DOM Level 2
    else
      e.cancelBubble = true; // IE

    layout();
  }

  function upHandler(e) {
    if (!e)
      e = window.event; // IE event model

    if (document.removeEventListener) { // DOM Event Model
      document.removeEventListener("mouseup", upHandler, true);
      document.removeEventListener("mousemove", moveHandler, true);
    } else if (document.detachEvent) { // IE 5+ Event Model
      document.detachEvent("onmouseup", upHandler);
      document.detachEvent("onmousemove", moveHandler);
    } else { // IE 4 Event Model
      document.onmouseup = olduphandler;
      document.onmousemove = oldmovehandler;
    }

    if (e.stopPropagation)
      e.stopPropagation(); // DOM Level 2
    else
      e.cancelBubble = true; // IE

    layout();
  }
}