<!--

function doPreload(){
  var the_images = new Array( '../images/nav_home_on.gif', '../images/nav_home_off.gif', '../images/nav_aboutus_on.gif', '../images/nav_aboutus_off.gif', '../images/nav_patentinfo_on.gif', '../images/nav_patentinfo_off.gif', '../images/nav_patentcounsel_on.gif', '../images/nav_patentcounsel_off.gif', '../images/nav_patentnetwork_on.gif', '../images/nav_patentnetwork_off.gif', '../images/nav_downloads_on.gif', '../images/nav_downloads_off.gif', '../images/nav_login_on.gif', '../images/nav_login_off.gif', '../images/nav_contactus_on.gif', '../images/nav_contactus_off.gif');
  preloadImages(the_images);
}

function preloadImages(the_images_array){   
  for(var loop = 0; loop < the_images_array.length; loop++){ 	
    var an_image = new Image();	
    an_image.src = the_images_array[loop];   
  }
}

function image_swap(image_name){    
  document.images[image_name].src = '../images/nav_' + image_name + '_on.gif';
}

function image_restore(image_name){    
  document.images[image_name].src = '../images/nav_' + image_name +'_off.gif';
}

function image_swap2(image_name){    
  document.images[image_name].src = '../images/nav_' + image_name + '_on.jpg';
}

function image_restore2(image_name){    
  document.images[image_name].src = '../images/nav_' + image_name +'_off.jpg';
}

// -->