function swyz() {
	var biaoti = document.getElementById("shangwuname").value;
	var gongqiu=document.getElementById("gongqiu").value;
	var shangwugongqiu_leixing_id=document.getElementById("shangwugongqiu_leixing_id").value;
	var yijifenlei_id2=document.getElementById("yijifenlei_id2").value;
	var erjifenlei_id2=document.getElementById("erjifenlei_id2").value;
	var jiage=document.getElementById("jiage").value;
	var danwei=document.getElementById("danwei").value;
	var guige=document.getElementById("guige").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 faburen=document.getElementById("faburen").value;
	var qq=document.getElementById("qq").value;
	var lianxi_ren = document.getElementById("lianxi_ren").value;
	var lianxi_fangshi = document.getElementById("lianxi_fangshi").value;
	var showcontent=document.getElementById("businesscontent").value;
	var lianxi_fangshi1 =/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
	if (biaoti=="" || biaoti == null){
		alert("请添写标题");
		document.getElementById("shangwuname").focus();
		return false;
	}
	if(gongqiu=="" || gongqiu==null){
		alert("请选择供求或者求购");
		document.getElementById("gongqiu").focus();
		return false;
	}
	if(shangwugongqiu_leixing_id=="" || shangwugongqiu_leixing_id==null){
		alert("请选择类型");
		document.getElementById("shangwugongqiu_leixing_id").focus();
		return false;
	}
	if(yijifenlei_id2=="" || yijifenlei_id2==null){
		alert("请选择一级分类");
		document.getElementById("yijifenlei_id2").focus();
		return false;
	}
	if(erjifenlei_id2=="" || erjifenlei_id2==null){
		alert("请选择二级分类");
		document.getElementById("erjifenlei_id2").focus();
		return false;
	}
	if(jiage.length>20){
		alert("请输入正确的价格");
		document.getElementById("jiage").focus();
		return false;
	}
	if(danwei.length>20){
		alert("请输入正确的单位");
		document.getElementById("danwei").focus();
		return false;
	}
	if(guige.length>50){
		alert("请输入正确的规格");
		document.getElementById("guige").focus();
		return false;
	}
	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(faburen=="" || faburen==null){
		alert("请填写发布人");
		document.getElementById("faburen").focus();
		return false;
	}
	if(qq.length>50){
		alert("请填写正确的QQ");
		document.getElementById("qq").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;	
	}
	if(lianxi_ren=="" || lianxi_ren==null){
		alert("请输入联系人");	
		document.getElementById("lianxi_ren").focus();
		return false;
	}
	form1.action="http://www.jianyouwang.com/userbusiness_addBusinessForHtml.action";
	form1.method="post";
	form1.submit();
	return true;
	}