//preload images for navigation
nav_home_on = new Image();
nav_home_on = 'images/nav/nav_home2_on.gif';


nav_store_on = new Image();
nav_store_on = 'images/nav_store2_on.gif';

nav_about_on = new Image();
nav_about_on = 'images/nav_about2_on.gif';

nav_library_on = new Image();
nav_library_on = 'images/nav_library2_on.gif';

nav_resources_on = new Image();
nav_resources_on = 'images/nav_resources2_on.gif';

nav_involved_on = new Image();
nav_involved_on = 'images/nav_involved2_on.gif';

nav_issues_on = new Image();
nav_issues_on = 'images/nav_issues2_on.gif';
//stop preloadin' images

function navOn(imName) {
		if (document.images) { 
		document.images[imName].src = 'images/nav/' + imName + "_on.gif"
			 };
}
function navOff(imName) {
		if (document.images) { 
		document.images[imName].src = 'images/nav/' + imName + '.gif' 
		};
}