function pageUpdate(page) {
	killSlideShow();
	new Ajax.Updater('body', page+'.php', { method: 'get' });
}

function contUpdate(page) {
	divUpdate('content', page);
}

function contUpdateSet(page, getvar) {
	divUpdateSet('content', page, getvar);
}

function schoolUpdate(school) {
	killSlideShow();
	new Ajax.Updater('body', 'school.php?sch='+school, {method: 'get'});
}

function divUpdate(div, target) {
	new Ajax.Updater(div, target+'.php', {method: 'get' });
}

function divUpdateSet(div, target, getvar) {
	new Ajax.Updater(div, target+'.php'+getvar, {method: 'get' });
}

function navigate(page, subpage, lvl, school) {
	new Ajax.Updater('nav', 'nav.php?page='+page+'&sub='+subpage+'&lvl='+lvl+'&school='+school, { method: 'get' });
	if(page == 'about' || page == 'projects' || page == 'contact' || page == 'login') {
		if (subpage == 'education') {
			if (lvl == 'athletic') {
				schoolUpdate(lvl);
			} else {
				if (school != '') {
					schoolUpdate(school);
				}
			}
		}
		else if (subpage != '') {
			if (page == 'login') {
				switch (subpage) {
					case 'client':
						window.open('http://www.eiassoc.com/projects/', 'newWindow');
						break;
					case 'employee':
						window.open('https://mail.eiassoc.com/owa', 'newWindow');
						break;
					case 'ftp':
						window.open('http://login.eiassoc.com/ftp/', 'newWindow');
						break;
				}
			} else {
				pageUpdate(subpage);
			}
		}
	}
	else if (page == 'contractors') {
		window.open('http://www.eiassoc.com/projects/bidders/', 'newWindow');
	} else {
		pageUpdate(page);
	}
}


/*New Functions */

function update_nav(tier, value) {
	//Send tier, value to save to session
	new Ajax.Request('/update_session.php?tier=' + tier + '&value=' + value, { method:'get',
					onSuccess: function(transport){
      					//new Ajax.Updater('nav', '/beta/elements/nav.php', {method: 'get'});
	  					alert("Success! \n\n" + response);
					} 
		});
}

function hide_tiers ( current_tier ) {
	for ( var i = current_tier + 1; i <= 4; i++ )
	{
		$$('.tier' + i).invoke('hide');
	}
}