if (location.href.toString().search('_chs/') != -1) {
	atgb = 1
} else {
	atgb = 0;
}

function changeVer(lang) {
	var link = top.location.href;
	switch(lang){
		case 'e':
			link = link.replace('/film_search_chs/','/film_search/').replace('_t_c.htm','_e.htm');
			break;
		case 'c':
			link = link.replace('/film_search_chs/','/film_search/').replace('_e.htm','_t_c.htm');
			break;
		case 's':
			link = link.replace('/film_search/','/film_search_chs/').replace('_e.htm','_t_c.htm');
			break;
	}
	top.location.href = link;
}