$(document).ready(function()
{
    
  SP.SOD.executeFunc('sp.js', 'SP.ClientContext', LoadCurrentUser);	

})



function LoadCurrentUser() {
	var context = SP.ClientContext.get_current();
	var siteColl = context.get_site();
	var web = siteColl.get_rootWeb();
	this._currentUser = web.get_currentUser(); 
	context.load(this._currentUser);	
	context.executeQueryAsync(Function.createDelegate(this, SetPickersToCurrentUser), Function.createDelegate(this, LoadUserfailed));
}

function LoadUserfailed() {
    alert('failed');
}

function SetPickersToCurrentUser()
{
	var loginName = this._currentUser.get_title();
	SetPeoplePicker('Ответственный сотрудник со стороны УДСБ', loginName);
}

function SetPeoplePicker(fieldName, userAccountName) { 
	var peoplePickerDiv = $("[id$='ClientPeoplePicker'][title='" + fieldName + "']"); 
	var peoplePickerEditor = peoplePickerDiv.find("[title='" + fieldName + "']"); 
	var spPeoplePicker = SPClientPeoplePicker.SPClientPeoplePickerDict[peoplePickerDiv[0].id]; 
	peoplePickerEditor.val(userAccountName); 
	spPeoplePicker.AddUnresolvedUserFromEditor(true); 
}

(function (MyPicker) {
    function SetUserFieldValue(fieldName, userName) {
        SP.SOD.executeFunc('mQuery.js', 'm$', function () {
            var pickerDiv = m$("div[title='" + fieldName + "']");
            var pickerId = pickerDiv.attr('id');
            var picker = SPClientPeoplePicker.SPClientPeoplePickerDict[pickerId];
            picker.AddUserKeys(userName);
        });
    }

    SP.SOD.executeOrDelayUntilScriptLoaded(function () {
        SP.SOD.executeOrDelayUntilScriptLoaded(function () {
            var context = SP.ClientContext.get_current();
            MyPicker.user = context.get_web().get_currentUs er();
            context.load(MyPicker.user);
            context.executeQueryAsync(
                function () {
                    var loginName = MyPicker.user.get_loginName();
                    SetUserFieldValue("Заказчик", loginName);
                },
                function (senser, args) {
                    alert(args.get_message());
                }
            );
        }, 'clientpeoplepicker.js');
    }, 'sp.js');

})(MyPicker || (MyPicker = {}));