function zhyz() {
	var biaoti = document.getElementById("zhanhuiname").value;
	var hangye_fenlei_id = document.getElementById("hangye_fenlei_id").value;
	var zhanhuileixing_id = document.getElementById("zhanhuileixing_id").value;
	var sheng_id = document.getElementById("sheng").value;
	var shi_id = document.getElementById("shiid").value;
	var starttime = document.getElementById("starttime").value;
	var endtime = document.getElementById("endtime").value;
	var lianxi_ren = document.getElementById("lianxi_ren").value;
	var lianxi_fangshi = document.getElementById("lianxi_fangshi").value;
	var zhubandanwei = document.getElementById("zhubandanwei").value;
	var guoneiguowai = document.getElementById("guoneiguowai").value;
	var showcontent=document.getElementById("showcontent").value;
	var lianxi_fangshi1 =/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
	if (biaoti=="" || biaoti == null){
		alert("请添写标题");
		document.getElementById("zhanhuiname").focus();
		return false;
	}
	if(zhubandanwei=="" || zhubandanwei==null){
		alert("请输入主办单位");
		document.getElementById("zhubandanwei").focus();
		return false;
	}
	if(hangye_fenlei_id=="" || hangye_fenlei_id==null){
		alert("请选择行业");
		return false;
	}
	if(zhanhuileixing_id=="" || zhanhuileixing_id==null){
		alert("请选择类型");
		return false;
	}
	if(guoneiguowai=="1"){
		if(sheng_id=="" || sheng_id==null){
			alert("请选择省");
			return false;
		}
		if(shi_id=="" || shi_id==null){
			alert("请选择市");
			return false;
		}
	}
	if(starttime=="" || starttime==null){
		alert("请输入开始时间");
		return false;
	}
	if(endtime=="" || endtime==null){
		alert("请输入结束时间");
		return false;
	}
	if(lianxi_ren=="" || lianxi_ren==null){
		alert("请输入联系人");	
		document.getElementById("lianxi_ren").focus();
		return false;
	}
	if(lianxi_fangshi=="" || lianxi_fangshi==null){
		alert("请输入联系电话");
		document.getElementById("lianxi_fangshi").focus();
		return false;
	}
	if(!lianxi_fangshi1.exec(lianxi_fangshi)){
		alert("请输入正确的电话号");
		document.getElementById("lianxi_fangshi").focus();
		return false;	
	}
	var fenlei=hangye_fenlei_id+":"+zhanhuileixing_id;
	var shengshi=sheng_id+":"+shi_id;
	var time=starttime+"/"+endtime;
	var lianxi=lianxi_ren+":"+lianxi_fangshi+":"+guoneiguowai;
	dwrAddShow.addshow(biaoti,zhubandanwei,fenlei,shengshi,time,lianxi,showcontent,function(result){
		alert(result);
		document.getElementById("zz").style.display='none';
		window.location.reload();
	})
	return true;
	}