function hide(obj) {

	if(!obj.contains(event.toElement)) {

		obj.style.visibility = 'hidden';

	}

}



function hideAllExcept(obj, mBeneden) {

	var Count, i;



	Count = document.all.tags("SPAN").length;

	for (i = 0; i < Count; i++) {

		document.all.tags("SPAN")[i].style.visibility = 'hidden';
	
	}

	obj.style.visibility = 'visible';

}



function MouseOut(obj) {

	if (obj.style.zIndex == 0) {

		obj.style.backgroundColor = 'FFFFFF';

	}

}



function MouseOver(obj) {

	if (obj.style.zIndex == 0) {

		obj.style.backgroundColor = 'ECF4FD';

	}

}



function ClearBackgrounds(table) {

	var Count, i;



	Count = table.all.tags("TD").length;

	for (i = 0; i < Count; i++) {

		table.all.tags("TD")[i].style.backgroundColor = 'FFFFFF';

		table.all.tags("TD")[i].style.zIndex = 0;

	}

}



function checkHeight(obj, mBeneden) {

	if (document.body.clientHeight > mBeneden) {

		hideAllExcept(eval('main' + obj));

	} else {

		hideAllExcept(eval('main' + obj + 'boven'));

	}

}