$.fn.pause = function(duration) {
    $(this).animate({ dummy: 1 }, duration);
    return this;
};

var isLogoShow=true;

$(function(){
		   $("#top_main .slide .logo").hide();
		  $("#top_main .slide .logo").fadeIn(1000);
		  
		  isLogoShow=true;
		  
		$("#top_main .menu a").mouseenter(function(){
			$("#top_main .slide div").hide();
			var class_name=$(this).parent().attr("class");
			$("#top_main .slide ."+class_name).fadeIn();
			isLogoShow=false;
		});
		
		$("#top_main").mouseleave(function(){
			if(isLogoShow==false){
				//$("#top_main .slide div").stop();
				$("#top_main .slide div").hide();
				$("#top_main .logo").fadeIn();
				isLogoShow=true;
			}
		});
});