<!--
/* check first */
if (document.images)
{
/* preload */
jb011 = new Image();
jb011.src = "graphics/jb011.png";
jb012 = new Image();
jb012.src = "graphics/jb012.png";
jb021 = new Image();
jb021.src = "graphics/jb021.png";
jb022 = new Image();
jb022.src = "graphics/jb022.png";
jb031 = new Image();
jb031.src = "graphics/jb031.png";
jb032 = new Image();
jb032.src = "graphics/jb032.png";
jb041 = new Image();
jb041.src = "graphics/jb041.png";
jb042 = new Image();
jb042.src = "graphics/jb042.png";
jb051 = new Image();
jb051.src = "graphics/jb051.png";
jb052 = new Image();
jb052.src = "graphics/jb052.png";
jb061 = new Image();
jb061.src = "graphics/jb061.png";
jb062 = new Image();
jb062.src = "graphics/jb062.png";
jb071 = new Image();
jb071.src = "graphics/jb071.png";
jb072 = new Image();
jb072.src = "graphics/jb072.png";
jb081 = new Image();
jb081.src = "graphics/jb081.png";
jb082 = new Image();
jb082.src = "graphics/jb082.png";
jb091 = new Image();
jb091.src = "graphics/jb091.png";
jb092 = new Image();
jb092.src = "graphics/jb092.png";
jb101 = new Image();
jb101.src = "graphics/jb101.png";
jb102 = new Image();
jb102.src = "graphics/jb102.png";
jb111 = new Image();
jb111.src = "graphics/jb111.png";
jb112 = new Image();
jb112.src = "graphics/jb112.png";
jb121 = new Image();
jb121.src = "graphics/jb121.png";
jb122 = new Image();
jb122.src = "graphics/jb122.png";
jb131 = new Image();
jb131.src = "../graphics/jb131.png";
jb132 = new Image();
jb132.src = "../graphics/jb132.png";
jb141 = new Image();
jb141.src = "../graphics/jb141.png";
jb142 = new Image();
jb142.src = "../graphics/jb142.png";
jb151 = new Image();
jb151.src = "../graphics/jb151.png";
jb152 = new Image();
jb152.src = "../graphics/jb152.png";
jb161 = new Image();
jb161.src = "../graphics/jb161.png";
jb162 = new Image();
jb162.src = "../graphics/jb162.png";
jb171 = new Image();
jb171.src = "../graphics/jb171.png";
jb172 = new Image();
jb172.src = "../graphics/jb172.png";
jb181 = new Image();
jb181.src = "../graphics/jb181.png";
jb182 = new Image();
jb182.src = "../graphics/jb182.png";
jb191 = new Image();
jb191.src = "../graphics/jb191.png";
jb192 = new Image();
jb192.src = "../graphics/jb192.png";
jbhub1 = new Image();
jbhub1.src = "graphics/jbhub1.png";
jbhub2 = new Image();
jbhub2.src = "graphics/jbhub2.png";
jbmus1 = new Image();
jbmus1.src = "graphics/jbmus1.png";
jbmus2 = new Image();
jbmus2.src = "graphics/jbmus2.png";
jbtec1 = new Image();
jbtec1.src = "graphics/jbtec1.png";
jbtec2 = new Image();
jbtec2.src = "graphics/jbtec2.png";
jbtar1 = new Image();
jbtar1.src = "graphics/jbtar1.png";
jbtar2 = new Image();
jbtar2.src = "graphics/jbtar2.png";
jbmap1 = new Image();
jbmap1.src = "graphics/jbmap1.png";
jbmap2 = new Image();
jbmap2.src = "graphics/jbmap2.png";
jbbac1 = new Image();
jbbac1.src = "graphics/jbbac1.png";
jbbac2 = new Image();
jbbac2.src = "graphics/jbbac2.png";
}

function On(imageName)
{
 if (document.images)
  {
   document[imageName].src = eval(imageName+"2.src");
  }
}
function Off(imageName)
{
 if (document.images)
  {
   document[imageName].src = eval(imageName+"1.src");
  }
}
// -->