var gyoza01="../img/missing/ran_1.jpg"
var gyoza02="../img/missing/ran_2.jpg"
var gyoza03="../img/missing/ran_3.jpg"


var cur=Math.round(3*Math.random())
if (cur<=1)
gyoza=gyoza01
else if (cur<=2)
gyoza=gyoza02
else
gyoza=gyoza03
document.write('<img src="img/'+gyoza+'" height="239" width="239">')