var CURRENT_NAV=0;
	var PREVIOUS_NAV=0;
	var HOVERING;
	var TIMER;
	var TIMER2;
	var KILL=true;
	var IMG_ON;
	var IMG_OFF;
	var TURN_OFF=false;

	function startTimeOut(which, onImg) {

		HOVERING = which;
		IMG_ON = onImg;
		TURN_OFF = false;
		TIMER = setTimeout("navStart()", 200);
	}

	function killTimeOut(offImg) {

		clearTimeout(TIMER);
		if((offImg) && (TURN_OFF)) {
			IMG_OFF = offImg;
		}
		TIMER2 = setTimeout("navKill()", 200);
	}

	function navStart() {

		KILL=true;
		TURN_OFF=true;
		CURRENT_NAV = HOVERING;
		if(CURRENT_NAV) {
			eval('document["' + CURRENT_NAV + '"].src = "' + IMG_ON + '"');
		}
		hideDefaultLayer();
		showLayer('nav_' + CURRENT_NAV);
	}

	function navKill() {

		if(KILL) {
			PREVIOUS_NAV = CURRENT_NAV;
			if(PREVIOUS_NAV) {
				eval('document["' + PREVIOUS_NAV + '"].src = "' + IMG_OFF + '"');
			}
			hideAll();
			showDefaultLayer();
		}
	}