//1つ目の要素をランダムに読み込み、その後要素順にクロスフェード切り替え
this.randomtip = function(){
				var li = $("#MainVisual li").hide(); 
        var pause = 6000; // define the pause for each tip (in milliseconds)
        var length = li.length;
        var temp = -1;          
        this.getRan = function(){
                // get the random number
                var ran = Math.floor(Math.random()*length) + 1;
                return ran;
        };
        this.show = function(){
								if(temp == -1){
                	ran = getRan();
									temp = ran;
								}
                li.fadeOut("slow");   
                $("#MainVisual li:nth-child(" + ran + ")").fadeIn("nomal");  
								if(ran == length) {
									ran = 1;
								} else {
									ran += 1;
								}         
        };
        show(); setInterval(show,pause);    
};

$(document).ready(function(){
				$("#Main").load("mainvisual.html");
				setTimeout('randomtip()',1000);
});