if (document.images) {
		var home_a = new Image();
		home_a.src = "/images/nav_inside/home_a.gif";
		var home_n = new Image();
		home_n.src = "/images/nav_inside/home_n.gif";
		
		var our_services_a = new Image();
		our_services_a.src = "/images/nav_inside/our_services_a.gif";
		our_services_n = new Image();
		our_services_n.src = "/images/nav_inside/our_services_n.gif";
			
		var our_people_a = new Image();
		our_people_a.src = "/images/nav_inside/our_people_a.gif";
		var our_people_n = new Image();
		our_people_n.src = "/images/nav_inside/our_people_n.gif";
		
		var our_case_studies_a = new Image();
		our_case_studies_a.src = "/images/nav_inside/our_case_studies_a.gif";
		our_case_studies_n = new Image();
		our_case_studies_n.src = "/images/nav_inside/our_case_studies_n.gif";

		var our_corporate_profile_a = new Image();
		our_corporate_profile_a.src = "/images/nav_inside/our_corporate_profile_a.gif";
		var our_corporate_profile_n = new Image();
		our_corporate_profile_n.src = "/images/nav_inside/our_corporate_profile_n.gif";
		
		var our_news_a = new Image();
		our_news_a.src = "/images/nav_inside/our_news_a.gif";
		var our_news_n = new Image();
		our_news_n.src = "/images/nav_inside/our_news_n.gif";
		
		var contact_us_a = new Image();
		contact_us_a.src = "/images/nav_inside/contact_us_a.gif";
		var contact_us_n = new Image();
		contact_us_n.src = "/images/nav_inside/contact_us_n.gif";
		
}
		
	function act(imgName) {
            if (document.images) 
              document[imgName].src = eval(imgName + 'a.src')
          }

          function inact(imgName) {
            if (document.images)
              document[imgName].src = eval(imgName + 'n.src')
          }