// General and useful functions

function findPosX(obj)
{
     var curleft = 0;
     if (obj.offsetParent)
     {
          while (obj.offsetParent)
          {
               curleft += obj.offsetLeft
               obj = obj.offsetParent;
          }
     }
     else if (obj.x)
          curleft += obj.x;
     return curleft;
}

function findPosY(obj)
{
     var curtop = 0;
     if (obj.offsetParent)
     {
          while (obj.offsetParent)
          {
               curtop += obj.offsetTop
               obj = obj.offsetParent;
          }
     }
     else if (obj.y)
          curtop += obj.y;
     return curtop;
}