Hi Friends
I had it working Ok for a few days, the zoom sign "+" is showing, but somehow the images are not bieng zoomed

I've re-install the database, cleared the cache... and also uploaded all the files again, but no change, please help

and the main page 'review sidebox' also appear a few review and delay.

my site is
https://s60865.gridserver.com/

The image configration is:
Small Image Width 125
Small Image Height 100 Info
Heading Image Width - Admin 57 Info
Heading Image Height - Admin 40 Info
Subcategory Image Width 100 Info
Subcategory Image Height 57 Info
Calculate Image Size true Info
Image Required true Info
Image - Shopping Cart Status 1 Info
Image - Shopping Cart Width 50 Info
Image - Shopping Cart Height 40 Info
Category Icon Image Width - Product Info Pages 57 Info
Category Icon Image Height - Product Info Pages 40 Info
Top Subcategory Image Width 150 Info
Top Subcategory Image Height 85 Info
Product Info - Image Width 300 Info
Product Info - Image Height 252 Info
Product Info - Image Medium Suffix _MED Info
Product Info - Image Large Suffix _LRG Info
Product Info - Number of Additional Images per Row 3 Info
Image - Product Listing Width 125 Info
Image - Product Listing Height 100 Info
Image - Product New Listing Width 125 Info
Image - Product New Listing Height 100 Info
Image - New Products Width 125 Info
Image - New Products Height 100 Info
Image - Featured Products Width 125 Info
Image - Featured Products Height 100 Info
Image - Product All Listing Width 125 Info
Image - Product All Listing Height 100 Info
Product Image - No Image Status 1 Info
Product Image - No Image picture no_picture.gif Info
Image - Use Proportional Images on Products and Categories 1 Info
IH resize images yes Info
IH small image filetype no_change Info
IH small image background 255:255:255 Info
IH watermark small images no Info
IH zoom small images yes Info
IH small image hotzone no Info
IH small image compression quality 85 Info
IH medium image filetype no_change Info
IH medium image background 255:255:255 Info
IH watermark medium images no Info
IH zoom medium images no Info
IH medium image hotzone no Info
IH medium image compression quality 85 Info
IH large image filetype no_change Info
IH large image background 255:255:255 Info
IH watermark large images no Info
IH large image compression quality 85 Info
IH large image maximum width 750 Info
IH large image maximum height 550 Info
IH watermark gravity Center Info
IH zoom gravity SouthEast

Please help.