function changePage(newLoc) { 
	nextPage = newLoc.options[newLoc.selectedIndex].value
	if (nextPage != "") {
	    document.location.href = nextPage
	}
}

function toggle(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'block')
		e.style.display = 'none';
	else
		e.style.display = 'block';
	}

function hide(id) {
	var e = document.getElementById(id);
	e.style.display = 'none';
	}