function openclose(element) {
	if(element.children[0].innerHTML == "<img src=\"buttons/closed.png\"> &nbsp;")
		return;

	if(element.children[0].style.height == '1.1em') {
		element.children[0].style.height='auto';
		element.children[0].children[0].src='buttons/open.png';
		element.children[1].style.display='none';
	} else {
		element.children[0].style.height='1.1em';
		element.children[0].children[0].src='buttons/closed.png';
		element.children[1].style.display='block';
	}
}