// The following code is for rollover buttons  


function preload(imgObj,imgSrc) {


		eval(imgObj+' = new Image()')
		
		eval(imgObj+'.src = "'+imgSrc+'"')
		
		
}


//____Preload Images_____

//main navigation     

preload('nav_01_off','/images/buttons/navigation/07_home_off2.gif');
preload('nav_01_on','/images/buttons/navigation/07_home_on2.gif');

preload('nav_02_off','/images/buttons/navigation/08_about_ndc_off2.gif');
preload('nav_02_on','/images/buttons/navigation/08_about_ndc_on2.gif');

preload('nav_03_off','/images/buttons/navigation/09_reports_off.gif');
preload('nav_03_on','/images/buttons/navigation/09_reports_on.gif');

preload('nav_04_off','/images/buttons/navigation/10_action_off.gif');
preload('nav_04_on','/images/buttons/navigation/10_action_on.gif');

preload('nav_05_off','/images/buttons/navigation/11_news_off.gif');
preload('nav_05_on','/images/buttons/navigation/11_news_on.gif');

preload('nav_06_off','/images/buttons/navigation/12_resources_off.gif');
preload('nav_06_on','/images/buttons/navigation/12_resources_on.gif');

preload('nav_07_off','/images/buttons/navigation/13_si_off.gif');
preload('nav_07_on','/images/buttons/navigation/13_si_on.gif');

preload('nav_08_off','/images/buttons/02_sitemap_off.gif');
preload('nav_08_on','/images/buttons/02_sitemap_on.gif');

preload('nav_09_off','/images/buttons/04_search_off.gif');
preload('nav_09_on','/images/buttons/04_search_on.gif');

preload('nav_10_off','/images/buttons/home/18_calendar_of_events_off.gif');
preload('nav_10_on','/images/buttons/home/18_calendar_of_events_on.gif');

preload('nav_11_off','/images/buttons/home/new_off.gif');
preload('nav_11_on','/images/buttons/home/new_on.gif');

preload('nav_12_off','/images/buttons/home/contact_off.gif');
preload('nav_12_on','/images/buttons/home/contact_on.gif');

function changeImage(imgName,imgObj) {

	if (document.images) {

	document.images[imgName].src = eval(imgObj+".src");
		
	}	
		
}

//-->