function doFrontPageSearch(){
	var f = document.f_indexSearch;
	//alert(f.search_type[0].checked);
	if ( (f.search_type[0].checked) || (f.search_type[2].checked) ){
		f.target = '_top';
		return true;
	}
	else if ( (f.search_type[1].checked) ){
		f.target = '_blank';
		return true;
	}
	else{
		return false;
	}
}