function show_hide_div(id, ret) {	
	var obj_style = document.getElementById(id).style;
	if (obj_style.display == 'none') {
		obj_style.display = 'block';
		obj_style.position = 'static';
		if (ret == 1) return 1;
	}	
	else {
		obj_style.display = 'none';
		obj_style.position = 'absolute';		
		if (ret == 1) return 0;
	}
}

function SetCookie(sName, sValue, is_expire) {
  var now = new Date();
  if (is_expire == 1) {
	cookie_exp = new Date(now.getFullYear() + 1, now.getMonth(), now.getDay());
    document.cookie = sName + "=" + escape(sValue) + "; expires=" + cookie_exp.toGMTString() + "; path=/"; 
  }
  else {
	  document.cookie = sName + "=" + escape(sValue) + "; path=/";
  }
}

function showExpandedSearch(link_obj, search_block_id) {
	var cur_display_state = show_hide_div(search_block_id, 1);			
	//link_obj.text = cur_display_state == 1 ? "Обычный поиск" : "Расширенный поиск";
	SetCookie('show_expanded_search', cur_display_state, 0);	
}

function checkOtherCity(otherCityObj, cityID) {		
	document.getElementById(cityID).disabled = (otherCityObj.value != '');
}