yii-shop parse error while browsing products page

when i request below page, i am getting a parse error.

…/localhost/yiishoptest/index.php?r=shop/products

the error is …

Parse error: syntax error, unexpected ‘:’ in C:\Apache2.2\htdocs\yiishoptest\protected\modules\shop\models\Products.php on line 97

yii-shop- 0.7rc3.tar.bz2

php - 5.2.14

apache - 2.2

os - win xp

any help appreciated !