var NUM_IMAGES = 5;function getImage( pageType ){   var image_arr = new Array( NUM_IMAGES );   if ( pageType == "home" )   {      image_arr[0] = "images/Navpic1.jpg";      image_arr[1] = "images/Navpic1a.jpg";      image_arr[2] = "images/Navpic1b.jpg";      image_arr[3] = "images/Navpic1c.jpg";      image_arr[4] = "images/Navpic1d.jpg";   }   else if ( pageType == "sub" )   {      image_arr[0] = "images/sample_03.jpg";      image_arr[1] = "images/sample_03a.jpg";      image_arr[2] = "images/sample_03b.jpg";      image_arr[3] = "images/sample_03c.jpg";      image_arr[4] = "images/sample_03d.jpg";      }      var index = Math.floor( Math.random() * NUM_IMAGES );   index = index % NUM_IMAGES;   return image_arr[index];}function printRandImage( pageType, width, height ){   document.write( "<img src=\"" + getImage( pageType ) + "\" width=\"" + width + "\" " );   document.write( "height=\"" + height + "\" border=\"0\" alt=\"Yacht Pilot Publishing\"" );   document.write( "/>" );}// Changes the image reference of the image being moused over// Accepts the name of the image (specified in the image tag)// as it's only parameter.// Use in conjunction with rollOff function to create a rollover effectfunction rollOver(imageName) {   if (document.images)    {      the_routeOn = new Image();      the_routeOn.src = "images/nav_route_o.gif";      sample_pageOn = new Image();      sample_pageOn.src = "images/nav_samp_o.gif";      faqOn = new Image();      faqOn.src = "images/nav_faq_o.gif";      order_bookOn = new Image();      order_bookOn.src = "images/nav_order_o.gif";      linksOn = new Image();      linksOn.src = "images/nav_links_o.gif";            homeOn = new Image();      homeOn.src = "images/nav_home_o.gif";      home_hereOn = new Image();      home_hereOn.src = "images/but_herei_o.jpg";      tocOn = new Image();      tocOn.src = "images/but_toc_o.jpg";      tedOn = new Image();      tedOn.src = "images/but_ted_o.jpg";      nav_tipsOn = new Image();      nav_tipsOn.src = "images/but_nav_o.jpg";      featured_articlesOn = new Image();      featured_articlesOn.src = "images/but_feat_o.jpg";            cruise_guidesOn = new Image();      cruise_guidesOn.src = "images/but_guid_o.jpg";      sub_hereOn = new Image();      sub_hereOn.src = "images/but_heres_o.jpg";      order_mailOn = new Image();      order_mailOn.src = "images/order_mail_over.jpg";            document[imageName].src = eval(imageName + "On.src");   } // if document.images} // rollOver// Changes the image reference of the image being moused over// Accepts the name of the image (specified in the image tag)// as it's only parameter.// Use in conjunction with rollOver function to create a rollover effectfunction rollOff(imageName) {   if (document.images)    {      the_routeOff = new Image();      the_routeOff.src = "images/nav_route_w.gif";      sample_pageOff = new Image();      sample_pageOff.src = "images/nav_samp_w.gif";      faqOff = new Image();      faqOff.src = "images/nav_faq_w.gif";      order_bookOff = new Image();      order_bookOff.src = "images/nav_order_w.gif";      linksOff = new Image();      linksOff.src = "images/nav_links_w.gif";            homeOff = new Image();      homeOff.src = "images/nav_home_w.gif";      home_hereOff = new Image();      home_hereOff.src = "images/but_herei_w.jpg";            tocOff = new Image();      tocOff.src = "images/but_toc_w.jpg";      tedOff = new Image();      tedOff.src = "images/but_ted_w.jpg";      nav_tipsOff = new Image();      nav_tipsOff.src = "images/but_nav_w.jpg";      featured_articlesOff = new Image();      featured_articlesOff.src = "images/but_feat_w.jpg";            cruise_guidesOff = new Image();      cruise_guidesOff.src = "images/but_guid_w.jpg";      sub_hereOff = new Image();      sub_hereOff.src = "images/but_heres_w.jpg";      order_mailOff = new Image();      order_mailOff.src = "images/order_mail.jpg";            document[imageName].src = eval(imageName + "Off.src");   } // if document.images} // rollOff