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

nav_practice_on = new Image();
nav_practice_on = '/images/nav/nav_practice_on.gif';

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

nav_services_on = new Image();
nav_services_on = '/images/nav/nav_services_on.gif';

nav_contact_on = new Image();
nav_contact_on = '/images/nav/nav_contact_on.gif';

nav_home_on = new Image();
nav_home_on = '/images/nav/nav_home_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' 
		};
}