$(document).ready(function() {
  var company_table = null;
  var link = null;
  if(company_table = $('table#companies')) {
    company_table.find('td.clickable').click(function() {
      link = $(this).children('a');
      if(link.length != 0) {
        window.location = link[0].href;
      }
    });
  }
});

// wrap as a jQuery plugin and pass jQuery in to our anoymous function
(function ($) {
   $.fn.cross = function (options) {
       return this.each(function (i) { 
           if($.browser.msie && $.browser.version <= 6.0) { return true; }
           
           // cache the copy of jQuery(this) - the start image
           var $$ = $(this);
           
           // get the target from the backgroundImage + regexp
           var target = $$.css('backgroundImage').replace(/^url|[\(\)'"]/g, '');

           // nice long chain: wrap img element in span
           $$.wrap('<span style="position: relative;"></span>')
               // change selector to parent - i.e. newly created span
               .parent()
               // prepend a new image inside the span
               .prepend('<img>')
               // change the selector to the newly created image
               .find(':first-child')
               // set the image to the target
               .attr('src', target)
               // set class
               .attr('class', 'fade_hover');

           // the CSS styling of the start image needs to be handled
           // differently for different browsers
           if ($.browser.msie) {
               $$.css({
                   'position' : 'absolute', 
                   'left' : 0,
                   'background' : '',
                   'top' : (this.height) * -1
               });
           } else if ($.browser.mozilla) {
             $$.css({
                  'position' : 'absolute', 
                  'left' : 0,
                  'background' : '',
                  'top' : this.offsetTop
              });
           } else if ($.browser.opera && $.browser.version < 9.5) {
               // Browser sniffing is bad - however opera < 9.5 has a render bug 
               // so this is required to get around it we can't apply the 'top' : 0 
               // separately because Mozilla strips the style set originally somehow...                    
               $$.css({
                   'position' : 'absolute', 
                   'left' : 0,
                   'background' : '',
                   'top' : "0"
               });
           } else { // Safari
               $$.css({
                   'position' : 'absolute', 
                   'left' : 0,
                   'background' : ''
               });
           }
           

           // similar effect as single image technique, except using .animate 
           // which will handle the fading up from the right opacity for us
           $$.parent().parent().hover(function () {
               $$.stop().animate({
                   opacity: 0
               }, 250);
           }, function () {
               $$.stop().animate({
                   opacity: 1
               }, 250);
           });
       });
   };
   
})(jQuery);

// note that this uses the .bind('load') on the window object, rather than $(document).ready() 
// because .ready() fires before the images have loaded, but we need to fire *after* because
// our code relies on the dimensions of the images already in place.
$(window).bind('load', function () {
   $('img.fade').cross();
});