function jingjing(status){
	if(status == "on"){
		document.getElementById('map').style.zIndex = 1;
		document.getElementById('map').style.visibility='hidden';
	}
	if(status == "off"){
		document.getElementById('map').style.zIndex = 10;
		document.getElementById('map').style.visibility='visible';
	}
}
function jingjing2(status){
	if(status == "on"){
		document.getElementById('map').style.zIndex = 1;
	}
	if(status == "off"){
		document.getElementById('map').style.zIndex = 10;
	}
}