function setClass(id, newClass) {
	identity = document.getElementById(id);
	identity.className=newClass;
}

function drop_about () {
	setClass('drop_aboutnav','dropcontent_on');
}
function drop_about_close() {
	setClass('drop_aboutnav','dropcontent_off');
}
function drop_grant() {
	setClass('drop_grantnav','dropcontent_on');
}
function drop_grant_close() {
	setClass('drop_grantnav','dropcontent_off');
}
function drop_ed() {
	setClass('drop_ednav','dropcontent_on');
}
function drop_ed_close() {
	setClass('drop_ednav','dropcontent_off');
}