function ShowHide(id,boxheight) {
    obj = document.getElementsByTagName("div");
    //if (obj[id].style.visibility == 'visible' or obj[id].style.display == 'block'){
	if (obj[id].style.display == 'block'){
    //obj[id].style.visibility = 'hidden';
	obj[id].style.display = 'none';
	obj[id].style.height = '1px';
    }
    else {
    //obj[id].style.visibility = 'visible';
	obj[id].style.display = 'block';
	obj[id].style.height = boxheight;
    }
}