js_get_elementHeight()

/**
* Gets the height of an element.
*
* Credit: http://www.aspandjavascript.co.uk/javascript/javascript_api/get_element_width_height.asp
*/
function js_get_elementHeight(elem) {

if (elem.style.pixelHeight) {
xPos = elem.style.pixelHeight;
}
else {
xPos = elem.offsetHeight;
}
return xPos;

}