function getElementWidth(elem)
{
                return elem.offsetWidth;
}
function getElementHeight(elem)
{
                return elem.offsetHeight;
}
function getElementTop(elem)
{
                var yPos = elem.offsetTop;
                var tempEl = elem.offsetParent;
                while (tempEl != null) {
                          yPos += tempEl.offsetTop;
                          tempEl = tempEl.offsetParent;
                  }
                return yPos;
}
function getElementLeft(elem)
{
                xPos = elem.offsetLeft;
                tempEl = elem.offsetParent;
                  while (tempEl != null) {
                          xPos += tempEl.offsetLeft;
                          tempEl = tempEl.offsetParent;
                  }
                return xPos;
}