a#mission img {height: 36px; width: 95px; border-width: 0; background: top left no-repeat;}
a#gallery img {height: 36px; width: 89px; border-width: 0; background: top left no-repeat;}
a#exhibitions img {height: 36px; width: 119px; border-width: 0; background: top left no-repeat;}
a#participate img {height: 36px; width: 118px; border-width: 0; background: top left no-repeat;}
a#partners img {height: 36px; width: 177px; border-width: 0; background: top left no-repeat;}
a#press img {height: 36px; width: 78px; border-width: 0; background: top left no-repeat;}
a#contact img {height: 36px; width: 96px; border-width: 0; background: top left no-repeat;}
a#photographer img {height: 36px; width: 164px; border-width: 0; background: top left no-repeat;}
a#prints img {height:39px ; width:71px ; border-width: 0; background: top left no-repeat;}
a#store img {height:39px ; width:159px ; border-width: 0; background: top left no-repeat;}



a#mission img {background-image: url(../Images/Nav/mission_off.jpg);}
a#gallery img {background-image: url(../Images/Nav/gallery_off.jpg);}
a#exhibitions img {background-image: url(../Images/Nav/exhibitions_off.jpg);}
a#participate img {background-image: url(../Images/Nav/participate_off.jpg);}
a#partners img {background-image: url(../Images/Nav/nonprofitpartners_off.jpg);}
a#press img {background-image: url(../Images/Nav/press_off.jpg);}
a#contact img {background-image: url(../Images/Nav/contact_off.jpg);}
a#photographer img {background-image: url(../Images/Nav/thephotographer_off.jpg);}
a#prints img {background-image: url(../Images/Nav/prints_off.jpg);}
a#store img {background-image: url(../Images/Nav/store_off.jpg);}


a#mission:hover img {background-image: url(../Images/Nav/mission_on.jpg);}
a#gallery:hover img {background-image: url(../Images/Nav/gallery_on.jpg);}
a#exhibitions:hover img {background-image: url(../Images/Nav/exhibitions_on.jpg);}
a#participate:hover img {background-image: url(../Images/Nav/participate_on.jpg);}
a#partners:hover img {background-image: url(../Images/Nav/nonprofitpartners_on.jpg);}
a#press:hover img {background-image: url(../Images/Nav/press_on.jpg);}
a#contact:hover img {background-image: url(../Images/Nav/contact_on.jpg);}
a#photographer:hover img {background-image: url(../Images/Nav/thephotographer_on.jpg);}

a#prints:hover img {background-image: url(../Images/Nav/prints_on.jpg);}
a#store:hover img {background-image: url(../Images/Nav/store_on.jpg);}