window.addEvent('domready', function() {
    var n_btns = new Tips($$('.n_btns'));
});

function show_sub(myvar)
{
	if(myvar == 'about')
	{
		$$('.nav_link_about').setStyle('opacity','0');
		$$('.nav_link_about').fade('in');
		$$('.nav_link_about').setStyle('display','block');
		$$('.nav_link_admission').setStyle('display','none');
				
		//home
		$$('[class^=nav_home]').set('class', 'nav_home');
		$$('[class^=nav_contact_us]').set('class', 'nav_contact_us');
		$$('[class^=nav_about]').set('class', 'nav_about_active');
		$$('[id^=nav_about]').set('id', 'nav_about_active');
		$$('[class^=nav_admissions]').set('class', 'nav_admissions');
	}
	else if(myvar == 'admission')
	{
		$$('.nav_link_admission').setStyle('opacity','0');
		$$('.nav_link_admission').fade('in');
		$$('.nav_link_admission').setStyle('display','block');
		$$('.nav_link_about').setStyle('display','none');
		
		$$('[class^=nav_about]').set('class', 'nav_about');
		$$('[class^=nav_admissions]').set('class', 'nav_admissions_active');
		$$('[id^=nav_admissions]').set('id', 'nav_admissions_active');
		$$('[class^=nav_home]').set('class', 'nav_home');
		$$('[class^=nav_contact_us]').set('class', 'nav_contact_us');
	}
	else
	{
		$$('.nav_link_about').setStyle('display','none');
		$$('.nav_link_admission').setStyle('display','none');
	}
}