// JavaScript Document


isMouseover = false;
isDragging = false;

function MouseDownLayer(e)
{
   isIE = document.all;

   documentTag = isIE ? "BODY" : "HTML";
   srcElement = isIE ? event.srcElement : e.target;  
   layerElement = isIE ? document.all.Layer1 : document.getElementById("Layer1");  

   while (srcElement.id != "Layer1TitleBar" && srcElement.tagName != documentTag)
   {
      srcElement = isIE ? srcElement.parentElement : srcElement.parentNode;
   }  
   if (srcElement.id == "Layer1TitleBar")
   {
      offsetX = isIE ? event.clientX : e.clientX;
      offsetY = isIE ? event.clientY : e.clientY;
      currentX = parseInt(layerElement.style.left);
      currentY = parseInt(layerElement.style.top);
      isDragging = true;
      document.onmousemove = MouseMoveLayer;
  }
}

function MouseMoveLayer(e)
{
   if (!isDragging) return;
   
   // Internet Explorer ?
   if (document.all)
   {
      layerElement.style.left = currentX+event.clientX-offsetX; 
      layerElement.style.top = currentY+event.clientY-offsetY;
   }
   else
   {
      layerElement.style.left = currentX+e.clientX-offsetX; 
      layerElement.style.top = currentY+e.clientY-offsetY;
   }
   return false;  
}

document.onmousedown = MouseDownLayer;
document.onmouseup = Function("isDragging=false");