function changeLanguage(lngvg){

	var origString = new String(window.location);
	if (origString.indexOf('_he.') > 0 || origString.indexOf('_ru.') > 0 || origString.indexOf('_en.') > 0)
	{
		var findString = new String('.');
		var replString = new String(lngvg);

		var preString, postString;
		var pos = origString.lastIndexOf(findString);

		preString = origString.substring(0, pos-2);
		postString = origString.substring(pos,  origString.length);
		origString = preString + replString + postString;

		window.location = origString;
	}
}