var aMenuObject	= new Array();

function preloadMenu(aMenu) {
	for(i = 0; i < aMenu.length; i++) {
		aMenuObject["m_" + aMenu[i] + "_false"]		= new Image();
		aMenuObject["m_" + aMenu[i] + "_true"]		= new Image();
		aMenuObject["m_" + aMenu[i] + "_false"].src	= "images/m_" + aMenu[i] + "_false.gif";
		aMenuObject["m_" + aMenu[i] + "_true"].src	= "images/m_" + aMenu[i] + "_true.gif";
	}
}

function toggle(id, state) {
	if(document.getElementById("m-" + id)) {
		state = (state) ? "_true" : "_false";
		document.getElementById("m-" + id).src = aMenuObject["m_" + id + state].src;
	}
}