// Javascript

function moveElement(elementId, xPosFinal, yPosFinal, interval)
{
	if(!document.getElementById) return false;
	if(!document.getElementById(elementId)) return false;
	var elem = document.getElementById(elementId);
	if (elem.movement) 
	{
    	clearTimeout(elem.movement);
  	}
	if(!elem.style.left)
	{
    	elem.style.left = "0px";
  	}
  	if(!elem.style.bottom) 
	{
    	elem.style.bottom = "0px";
  	}
	var xPos = parseInt(elem.style.left);
	var yPos = parseInt(elem.style.bottom);
	if(xPos == xPosFinal && yPos == yPosFinal)
	{
		return true;
	}
	if(xPos < xPosFinal)
	{
		xPos = xPos + 2;
	}
	if(xPos > xPosFinal)
	{
		xPos = xPos - 2;
	}
	if(yPos < yPosFinal)
	{
		yPos++;
	}
	if(yPos > yPosFinal)
	{
		yPos--;
	}
	elem.style.left = xPos + "px";
	elem.style.bottom = yPos + "px";
	var repeat = "moveElement('"+elementId+"', "+xPosFinal+", "+yPosFinal+", "+interval+")";
	elem.movement = setTimeout(repeat, interval);
}

addLoadEvent(moveElement);