// JavaScript Document

/* function changeSecondaryNav
 * A: primary_nav, the text string of the primary navigation element hovered
 * D: Turns off the current secondary navigation menu
 *    and turns on the necessary navigation
 * R: Nothing
 */
function changeSecondaryNav(primary_nav){
	var navs = $$('#bottom_nav ul');

	for(x=0; x<navs.length;x++){
		navs[x].className = 'hidden';
	}
	var second_nav = document.getElementById('nav_' + primary_nav);
	if(second_nav)
		second_nav.className = 'visible';
	//console.log(second_nav);

}


function changeBodyImage(imageName){
	var bodyImage = document.getElementById("body_image");
	var bodyImageSrc = SERVER_DIR_IMAGES_GALLERY + "/" + imageName;
	bodyImage.src = bodyImageSrc;
}