// drag management START -----------------------------------------------
var actualStyle="";
var dragObj = new Object();
var zIndex = 1;

function dragStart(event, id) {
  var el;
  var x, y;
  // If an element id was given, find it. Otherwise use the element being
  // clicked on.
  if (id)
    dragObj.elNode = obj(id);
  else {
    if (isExplorer)
      dragObj.elNode = window.event.srcElement;
    else
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (isExplorer) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  } else {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = getAbsoluteLeft(dragObj.elNode);
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = getAbsoluteTop(dragObj.elNode);
  
  
  // Update element's z-index.

function findContainer(theEl){
  while (theEl.getAttribute("type")!="container") {
  theEl= theEl.parentNode;
  }
  return theEl;
}
  var theContainer=findContainer(dragObj.elNode);
  //dragObj.elNode.style.zIndex = dragObj.zIndex++;
  zIndex++;
  theContainer.style.zIndex = zIndex;
  //scriptDebugger(theContainer.id,theContainer.style.zIndex);

  // Capture mousemove and mouseup events on the page.
  actualStyle= dragObj.elNode.className;
  if (isExplorer) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }else {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {
  var x, y, candidateLeft, candidateTop;

  // Get cursor position with respect to the page.

  if (isExplorer) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  } else {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  candidateLeft = dragObj.elStartLeft + x - dragObj.cursorStartX;
  dragObj.elNode.style.left = ((candidateLeft>=0)?candidateLeft:0) + "px";
  candidateTop = dragObj.elStartTop  + y - dragObj.cursorStartY;
  dragObj.elNode.style.top  = ((candidateTop>=0)?candidateTop:0) + "px";
  dragObj.elNode.className = actualStyle+" drag";
  if (isExplorer) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  } else
    event.preventDefault();
}

function dragStop(event) {
  dragObj.elNode.className = actualStyle;

// Stop capturing mousemove and mouseup events.

  if (isExplorer) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  } else {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}
// drag management END -----------------------------------------------


function contractContent(contId){
	theContent=obj(contId);
	if (theContent.style.display=="block" || theContent.style.display=="") {
	theContent.style.display="none";
	} else {
	theContent.style.display="";
	}
}


function swapStatusImage(contId,imgId,maxPicture,minPicture){
	theContent=obj(contId);
  img=obj(imgId);
	if (theContent.style.display=="block" || theContent.style.display==""){
    img.src=minPicture;
	}else {
    img.src=maxPicture;
  }
}