function GetTabForLang(lang, lang_from) {
	var tabs_de = [778,779,781,780,782,783,791,886,787,788,877,789,790,873,874,875,876,798,784,889,796,797,799,786,885,800,801,803,804,805];
	var tabs_en = [938,903,904,905,906,937,907,908,909,933,934,935,936,910,926,927,928,0,930,932,912,921,922,923,924,925,913,916,917,918];
	var tabs_ru = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];

    if (lang_from == 'en') {
		var tabs = tabs_en;
	} else if (lang_from == 'ru') {
		var tabs = tabs_ru;
	} else {
		var tabs = tabs_de;
	}
    if (lang == 'en') {
		for (var i = 0; i < tabs_de.length; i++)
			if (tabs[i] == currentTabId && tabs_en[i] > 0) return tabs_en[i];
		return 938;
	} else if (lang == 'ru') {
		for (var i = 0; i < tabs_de.length; i++)
			if (tabs[i] == currentTabId && tabs_ru[i] > 0) return tabs_ru[i];
		return 0;
	} else {
		for (var i = 0; i < tabs_en.length; i++)
			if (tabs[i] == currentTabId && tabs_de[i] > 0) return tabs_de[i];
		return 778;
	}
}