function unhide(divID) {
	var item = document.getElementById(divID);
	if (item) {
		item.className=(item.className=='hidden')?'unhidden':'hidden';
	}
}

function locationover(divID, oldclass) {
	var item = document.getElementById(divID);
	if (item) {
		item.className='overlink';
	}
}
function locationout(divID, oldclass) {
	var item = document.getElementById(divID);
	if (item) {
		item.className=oldclass;
	}
}

function locationoverarrow(divID) {
	var item = document.getElementById(divID);
	if (item) {
		item.className='overlink-arrow';
	}
}
function locationoverarrow2(divID) {
	var item = document.getElementById(divID);
	if (item) {
		item.className='overlink-arrow2';
	}
}
function locationoverarrow3(divID) {
	var item = document.getElementById(divID);
	if (item) {
		item.className='overlink-arrow3';
	}
}
function locationoverarrow4(divID) {
	var item = document.getElementById(divID);
	if (item) {
		item.className='overlink-arrow4';
	}
}


function locationoutarrow(divID, oldclass) {
	var item = document.getElementById(divID);
	if (item) {
		item.className=oldclass;
	}
}