var isLoad = false;
function ChoiseType() {
    var n1 = document.forms[0].type1.selectedIndex;
    var selectType = document.getElementById('SelectType');
    var date_div = document.getElementById('date_div');
    var search_out = document.getElementById('search_out');
    if (n1 == 1 && !isLoad) {
        //вызвать 	ajax метод для формирования списка площадок
        FrontOffice.Services.ActionTicketsList.GetActionPlatformName(
			GetActionTickets_Success,
			OnOperation_Failed,
			"Concerty", // userContext
			null);
    } else if (n1 == 1) {
        selectType.style.display = "block"; 
    } else {
        selectType.style.display = "none";
    }
    return false;
}

function GetActionTickets_Success(result, userContext, methodName) {    
    
    var div = $('SelectType');
    div.innerHTML = result;

    isLoad = true;
}

function OnOperation_Failed(error) {
    alert("GetActionTickets error!");
}

var ActivePlatforms = function() {
    var div = $('SelectType');
    if (div != null)
        var req = new Request({
            method: 'get',
            url: '/services/ActivePlatforms.ashx',
            data: { 'gid': $('type1').value },
            onComplete: function(response) {
                if (response.toString().length > 0) {
                    div.innerHTML = response;
                }
            }
        }).send();
}