function getElementPosition(elemID, change_l, change_t) {
	if(!change_l) change_l=0;
	if(!change_t) change_t=0;
    var offsetTrail = document.getElementById(elemID);
    var offsetLeft = 0;
    var offsetTop = 0;
    while (offsetTrail) {
        offsetLeft += offsetTrail.offsetLeft;
        offsetTop += offsetTrail.offsetTop;
        offsetTrail = offsetTrail.offsetParent;
    }
    if (navigator.userAgent.indexOf("Mac") != -1 && 
        typeof document.body.leftMargin != "undefined") {
        offsetLeft += document.body.leftMargin;
        offsetTop += document.body.topMargin;
    }
    return {left:(offsetLeft+change_l), top:(offsetTop+change_t)};
}

//This code was created by the fine folks at Switch On The Code - http://blog.paranoidferret.com
//This code can be used for any purpose

function slide(elementId, headerElement, openit, relative_to_element, newheight, width)
{
	if(!newheight) newheight=125;
	if(!width) width=405;
   var element = document.getElementById(elementId);
   if(!openit)
   {
      animate(elementId, relative_to_element.left, relative_to_element.top, width, 0, 100, null);
      element.up = true;
      element.down = false;
//      headerElement.style.display='';
   }
   else
   {
      animate(elementId, relative_to_element.left, relative_to_element.top, width, newheight, 100, null);
      element.down = true;
      element.up = false;
//      headerElement.style.display='';
   }
}


function animate(elementID, newLeft, newTop, newWidth,
      newHeight, time, callback)
{
  var el = document.getElementById(elementID);
  if(el == null)
    return;
 
  var cLeft = parseInt(el.style.left);
  var cTop = parseInt(el.style.top);
  var cWidth = parseInt(el.style.width);
  var cHeight = parseInt(el.style.height);

  var totalFrames = 1;
  if(time> 0)
    totalFrames = time/40;

  var fLeft = newLeft - cLeft;
  if(fLeft != 0)
    fLeft /= totalFrames;
 
  var fTop = newTop - cTop;
  if(fTop != 0)
    fTop /= totalFrames;
 
  var fWidth = newWidth - cWidth;
  if(fWidth != 0)
    fWidth /= totalFrames;
 
  var fHeight = newHeight - cHeight;
  if(fHeight != 0)
    fHeight /= totalFrames;
   
  doFrame(elementID, cLeft, newLeft, fLeft,
      cTop, newTop, fTop, cWidth, newWidth, fWidth,
      cHeight, newHeight, fHeight, callback);
}

function doFrame(eID, cLeft, nLeft, fLeft,
      cTop, nTop, fTop, cWidth, nWidth, fWidth,
      cHeight, nHeight, fHeight, callback)
{
   var el = document.getElementById(eID);
   if(el == null)
     return;

  cLeft = moveSingleVal(cLeft, nLeft, fLeft);
  cTop = moveSingleVal(cTop, nTop, fTop);
  cWidth = moveSingleVal(cWidth, nWidth, fWidth);
  cHeight = moveSingleVal(cHeight, nHeight, fHeight);

  el.style.left = Math.round(cLeft) + 'px';
  el.style.top = Math.round(cTop) + 'px';
  el.style.width = Math.round(cWidth) + 'px';
  el.style.height = Math.round(cHeight) + 'px';
 
  if(cLeft == nLeft && cTop == nTop && cHeight == nHeight
    && cWidth == nWidth)
  {
    if(callback != null)
      callback();
    return;
  }
   
  setTimeout( 'doFrame("'+eID+'",'+cLeft+','+nLeft+','+fLeft+','
    +cTop+','+nTop+','+fTop+','+cWidth+','+nWidth+','+fWidth+','
    +cHeight+','+nHeight+','+fHeight+','+callback+')', 40);
}

function moveSingleVal(currentVal, finalVal, frameAmt)
{
  if(frameAmt == 0 || currentVal == finalVal)
    return finalVal;
 
  currentVal += frameAmt;
  if((frameAmt> 0 && currentVal>= finalVal)
    || (frameAmt <0 && currentVal <= finalVal))
  {
    return finalVal;
  }
  return currentVal;
}