function one() {var group = document.getElementById("group").value;if(group == ""){alert("分组不能为空"); return false;}var ss = document.getElementById("ss").value;if(ss == ""){alert("城市不能为空"); return false;}var sss = document.getElementById("sss").value;if(sss == ""){alert("县区不能为空"); return false;}}function two(){var name = document.getElementById("name").value;if(name == ""){alert("名字不能为空"); return false;}var psw = document.getElementById("psw").value;if(psw == ""){alert("密码不能为空"); return false;}var number = document.getElementById("number").value;if(number == ""){alert("手机号不能为空"); return false;}var groups = document.getElementById("groups").value;if(groups == ""){alert("分组不能为空"); return false;}var gss = document.getElementById("gss").value;if(gss == ""){alert("城市不能为空"); return false;}var gsss = document.getElementById("gsss").value;if(gsss == ""){alert("县区不能为空"); return false;}}function three(){var upname = document.getElementById("upname").value;if(upname == ""){alert("名字不能为空"); return false;}var uppsw = document.getElementById("uppsw").value;if(uppsw == ""){alert("密码不能为空"); return false;}var upnumber = document.getElementById("upnumber").value;if(upnumber == ""){alert("手机号不能为空"); return false;}var upgroup = document.getElementById("upgroup").value;if(upgroup == ""){alert("分组不能为空"); return false;}var upss = document.getElementById("upss").value;if(upss == ""){alert("城市不能为空"); return false;}var upsss = document.getElementById("upsss").value;if(upsss == ""){alert("县区不能为空"); return false;}}