text: /**
   * 弹出显示Perform属性的对话框
   * 
   * @function view_perform
   * @author 艾培东(aipeidong@vip.qq.com)
   * @param {PerformConstruct}
   */
  function view_perform(perform) {
  	var $dialog = $("#view-perform-dialog");
  	if ($dialog.length == 0) {
  		$dialog = $("<div id='view-perform-dialog'/>").appendTo($("body"));
  	}
  	$dialog.dialog({
  		height:360,
  		modal:true,
  		width:480,
  	});
  }