if(!urlPrefix) var urlPrefix = '';
function goPage(){
	var data = {};
	data.index = 'index.php';
	data.shop = 'shop/';
	data.shop_order_history = 'shop/history.php';
	data.article = 'article/';
	data.expert = 'expert/';
	data.school = 'school/';
	data.news = 'news.php';
	data.forum = 'forum/';
	data.member = 'member.php';
	data.activity_post = 'activity/publishers';
	data.activity = 'activity/';
	data.support = 'support/';
	data.aboutus = 'aboutus.php';
	data.contactus = 'contactus.php';
	data.traffic = 'traffic.php';
	data.referential = 'referential.php';
	if(arguments.length > 0 )
		if(data[arguments[0]] != undefined) {
			location.href= urlPrefix+data[arguments[0]];
			return ;
		}
	// otherwise do nothing
}