function DrevoUp(){
	//loads popup only if it is disabled
		$("#navigator").css({
			// "opacity": "0.7"
			"background-position": "0% 50%"
		});
}

function DrevoDown(){
	//loads popup only if it is disabled
		$("#navigator").css({
			// "opacity": "1"
			"background-position": "50% 50%"
		});
}

function MontUp(){
	//loads popup only if it is disabled
		$("#navigator").css({
			// "opacity": "0.7"
			"background-position": "100% 50%"
		});
}

function MontDown(){
	//loads popup only if it is disabled
		$("#navigator").css({
			// "opacity": "1"
			"background-position": "50% 50%"
		});
}