var unavailable_images={};unavailable_images['spacer']='/i/spacer.gif';var failed_images=Array();function image_error(img,backup_url,unavailable_image_size)
{var failures=0;for(var index in failed_images)
if(img==failed_images[index])
failures++;failed_images.push(img);switch(failures)
{case 0:img.src=backup_url;break;case 1:if('none'!=unavailable_image_size)
img.src=unavailable_images[unavailable_image_size];break;default:break;}}
function addImageErrorHandlers()
{if(typeof(jQuery)!='undefined')
{jQuery('img.image_error').removeClass("image_error").error(function(){var failoverImage=jQuery(this).next('span.image_error');if(1==failoverImage.length&&failoverImage.attr('title').length>0)
{jQuery(this).attr('src',failoverImage.attr('title'));failoverImage.remove();}});}}