function showImage(thumb)
{if(thumb.src.indexOf('thumb')==-1)
{var newImage=new Image();newImage.src=thumb.src;if(newImage.complete)
{$('thumbnail').src=thumb.src;$('thumbnail').setStyle('height:228px;margin:0');}
else
{newImage.onload=function()
{$('thumbnail').src=thumb.src;$('thumbnail').setStyle('height:228px;margin:0');}}}
else
{var newImage=new Image();newImage.src=thumb.src.replace('thumb','main');if(newImage.complete)
{$('thumbnail').src=thumb.src.replace('thumb','main');$('thumbnail').setStyle('height:200px;margin:14px 0');}
else
{newImage.onload=function()
{$('thumbnail').src=thumb.src.replace('thumb','main');$('thumbnail').setStyle('height:200px;margin:14px 0');}}}}