var arr2 = ['谁知道电脑重装GHOST使用详细步骤','如何给电脑重装系统的详细步骤介绍',''];
	var dc2 = new dhCombobox();
	dc2.callbackName = "dc2";
	dc2.datasource = arr2;
	dc2.targetObj = document.getElementById("show2");
	dc2.w = 300;
	dc2.h = 200;
	dc2.setup();