function findPosition(obj)
{
    var curpos = {x:0,y:0};
    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curpos.x += obj.offsetLeft;
            curpos.y += obj.offsetTop;
            obj = obj.offsetParent;
        }
    }
    else if (obj.x)
    {
        curpos.x += obj.x;
        curpos.y += obj.y;
    }
    return curpos;
}

function getEid(ID)
{
  return isDOM2 ? document.getElementById(ID) :
         (isNS4 ? document.layers[ID] :
                  document.all[ID]);
}

function getEstyle(ID) 
{
  return isDOM2 ? document.getElementById(ID).style :
         (isNS4 ? document.layers[ID] :
                  document.all[ID].style);
}

function hideEid(ID)
{
	getEstyle(ID).display="none";
}
function showEid(ID)
{
	getEstyle(ID).display="block";
}