if (document.images) {

 homeon = new Image();
 homeon.src = "/images/menu_home_on.gif";

 homeoff = new Image();
 homeoff.src = "/images/menu_home_off.gif";

 about_uson = new Image();
 about_uson.src = "/images/menu_about_us_on.gif";

 about_usoff = new Image();
 about_usoff.src = "/images/menu_about_us_off.gif";

 gallerieson = new Image();
 gallerieson.src = "/images/menu_galleries_on.gif";

 galleriesoff = new Image();
 galleriesoff.src = "/images/menu_galleries_off.gif";

 share_the_joyon = new Image();
 share_the_joyon.src = "/images/menu_share_the_joy_on.gif";

 share_the_joyoff = new Image();
 share_the_joyoff.src = "/images/menu_share_the_joy_off.gif";

 contacton = new Image();
 contacton.src = "/images/menu_contact_on.gif";

 contactoff = new Image();
 contactoff.src = "/images/menu_contact_off.gif";

 }

function Open(page) {
var width=550;
var height=550;
LeftPosition = (screen.width) ? (screen.width-width)/2 : 0;
TopPosition = (screen.height) ? (screen.height-height)/2 : 0;
OpenWin = this.open(page,"PopupWindow","toolbar=no,width="+width+",height="+height+",left="+LeftPosition+",top="+TopPosition+",directories=no,status=no,scrollbars=no,resize=no,menubar=no")
}