function preload(){
imgpre1 = new Image();
imgpre1.scr = "images/navi-top-o.gif";
imgpre2 = new Image();
imgpre2.scr = "images/navi-staff-o.gif";
imgpre3 = new Image();
imgpre3.scr = "images/navi-menu-o.gif";
imgpre4 = new Image();
imgpre4.scr = "images/navi-map-o.gif";
imgpre5 = new Image();
imgpre5.scr = "images/navi-garally-o.gif";
imgpre6 = new Image();
imgpre6.scr = "images/navi-blog-o.gif";
imgpre7 = new Image();
imgpre7.scr = "images/menu-head.jpg";
imgpre8 = new Image();
imgpre8.scr = "images/map-head.jpg";
imgpre9 = new Image();
imgpre9.scr = "images/staff-head.jpg";
imgpre10 = new Image();
imgpre10.scr = "images/garally-head.jpg";
}