sharePoint中简单的父页面跳转子页面代码！

function imgAddParentclick() {
        var projectId = getCookie("projectId");
        var options = {
　　　　width:800px,
　　　　height:500px,
            showClose: true,
            url: ‘/sites/projecttest/Lists/ProjectTasks/search.aspx?projectId=‘ + projectId,
            dialogReturnValueCallback: setmessages
        };
        SP.UI.ModalDialog.showModalDialog(options);
    } 

function setmessages(dialogResult, returnvalue) {
        
    }

function closetaskform(obj) {
        
        window.parent.SP.UI.ModalDialog.commonModalDialogClose(1, title+‘#‘+id);
    }