$(function () {
	$(".pnavi1").mouseover(function() {
		$(".top_area1").css('background-image','url(/images/top/top_mimage1.jpg)');
	});
	
	$(".pnavi2").mouseover(function() {
		$(".top_area1").css('background-image','url(/images/top/top_mimage2.jpg)');
	});
});