today=new Date();
thisyear=today.getYear();

function checkLoginForm(form){
  if(isEmpty(form.username.value)){
     alert("请输入用户名！");
	 var username=form.username.value;
	 form.username.value=username;
	 form.username.focus();
	 form.username.select();
  }else if(isEmpty(form.password.value)){
     alert("请输入密码！");
	 var password=form.password.value;
	 form.password.value=password;
	 form.password.focus();
	 form.password.select();
  }else{
     return true;
  }
  return false;
}

function checkSearchForm(form){
  if(isEmpty(form.text.value)||form.text.value=="请输入关键字...."){
     alert("请输入关键字！");
	 var text=form.text.value;
	 form.text.value=text;
	 form.text.focus();
	 form.text.select();
  }else{
     return true;
  }
  return false;
}


function checkdataSearch(){
  if(document.search.text.value=="请输入关键字...."||document.search.text.value.length<=0){
	alert("请您输入查询字段！");
	var text=document.search.text.value;
	document.search.text.value=name;
	document.search.text.focus();
	document.search.text.select();
  }else{
	return true;
  }
  return false;
}

function checkSendNewsMail(){
  if(document.sendNewsMail.sentToMail.value.length<=0){
	alert("请输入对方邮件地址！");
	var sentToMail=document.sendNewsMail.sentToMail.value;
	document.sendNewsMail.sentToMail.value=sentToMail;
	document.sendNewsMail.sentToMail.focus();
	document.sendNewsMail.sentToMail.select();
  }else if(document.sendNewsMail.sentMail.value.length<=0){
	alert("请输入自己邮件地址！");
	var sentMail=document.sendNewsMail.sentMail.value;
	document.sendNewsMail.sentMail.value=sentMail;
	document.sendNewsMail.sentMail.focus();
	document.sendNewsMail.sentMail.select();
  }else{
	return true;
  }
  return false;
}

function checkNewsBbsInput(){
  if(document.newsbbs.titlebbs.value.length<=0){
	alert("请输入评论标题！");
	var titlebbs=document.newsbbs.titlebbs.value;
	document.newsbbs.titlebbs.value=titlebbs;
	document.newsbbs.titlebbs.focus();
	document.newsbbs.titlebbs.select();
  }else if(document.newsbbs.article.value.length<=0){
	alert("请输入评论内容！");
	var article=document.newsbbs.article.value;
	document.newsbbs.article.value=article;
	document.newsbbs.article.focus();
	document.newsbbs.article.select();
  }else if(document.newsbbs.name.value.length<=0){
 	alert("请输入您的姓名！");
	var name=document.newsbbs.name.value;
	document.newsbbs.name.value=name;
	document.newsbbs.name.focus();
	document.newsbbs.name.select();
  }else{
	return true;
  }
  return false;
}



function checkRegister(form){
  if(isEmpty(form.userId.value)||!isBetween(form.userId.value.length,4,255)||!isUserName(form.userId.value)){
     alert("请正确输入您的用户名称！");
	 var userId=form.userId.value;
	 form.userId.value=userId;
	 form.userId.focus();
	 form.userId.select();
  }else if(isBetween(form.userPassword.value.length,0,5)||isEmpty(form.userPassword.value)||!isUserName(form.userPassword.value)){
     alert("请输入您的用户口令且不能少于六位！");
	 var userPassword=form.userPassword.value;
	 form.userPassword.value=userPassword;
	 form.userPassword.focus();
	 form.userPassword.select();
  }else if(!isSame(form.userPasswordRepeat.value,form.userPassword.value)||isEmpty(form.userPasswordRepeat.value)){
     alert("确认口令与用户口令输入不同，请您重新输入！");
	 var userPasswordRepeat=form.userPasswordRepeat.value;
	 form.userPasswordRepeat.value=userPasswordRepeat;
	 form.userPasswordRepeat.focus();
	 form.userPasswordRepeat.select();
  }else if(isEmpty(form.question.value)){
     alert("请输入您的口令提示问题！");
	 var question=form.question.value;
	 form.question.value=question;
	 form.question.focus();
	 form.question.select();
  }else if(isEmpty(form.questionAnswer.value)){
     alert("请输入您的口令提示答案！");
	 var questionAnswer=form.questionAnswer.value;
	 form.questionAnswer.value=questionAnswer;
	 form.questionAnswer.focus();
	 form.questionAnswer.select();
  }else if(isEmpty(form.name.value)){
     alert("请输入您的姓名！");
	 var name=form.name.value;
	 form.name.value=name;
	 form.name.focus();
	 form.name.select();
  }else if(form.area.value=="0"){
     alert("请选择您所在的地区！");
	 form.area.focus();
  }else if(!isDate(form.birthday.value)||isEmpty(form.birthday.value)){
     alert("请正确输入您的出生年月！");
	 var birthday=form.birthday.value;
	 form.birthday.value=birthday;
	 form.birthday.focus();
	 form.birthday.select();
  }else if(!isEmail(form.email.value)||isEmpty(form.email.value)){
     alert("请正确输入您的Email地址！");
	 var email=form.email.value;
	 form.email.value=email;
	 form.email.focus();
	 form.email.select();
  }else if(isEmpty(form.tel.value)){
     alert("请输入您的联系电话！");
	 var tel=form.tel.value;
	 form.tel.value=tel;
	 form.tel.focus();
	 form.tel.select();
  }else{
     return true;
  }
  return false;
}

function forgetPassword(form){
  if(isEmpty(form.userId.value)){
     alert("请输入您的用户名！");
	 var userId=form.userId.value;
	 form.userId.value=userId;
	 form.userId.focus();
	 form.userId.select();
  }else{
	  return true;
  }
  return false;
}

function forgetPasswordStep1(form){
  if(isEmpty(form.questionAnswer.value)){
     alert("请输入您的口令提示答案！");
	 var questionAnswer=form.questionAnswer.value;
	 form.questionAnswer.value=questionAnswer;
	 form.questionAnswer.focus();
	 form.questionAnswer.select();
  }else{
	  return true;
  }
  return false;
}

var newWindow = null
function windowOpener(loadpos)
{	
	if (! newWindow || newWindow.closed)
	{
  	newWindow = window.open(loadpos,"surveywin","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=500,height=200");
	newWindow.focus();
	}else
	{
		newWindow.focus();
	}
}


function addtoopen(url)
{
window.open(url,'zip','menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=1,resizable=1,width=400,top=0,left=20,height=200')
}

function addtonewsbbs(url)
{
window.open(url,'zip','menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=1,resizable=1,width=500,top=0,left=20,height=280')
}

function addtoguanggao(url,width,height)
{
window.open(url,'zip','menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=1,resizable=1,width='+width+',top=0,left=20,height='+height)
}

function openMan(url)
{
window.open(url,'zip','menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=1,resizable=1,width=680,top=50,left=100,height=530')
}


function checkSearch(){
  if(document.searchForm.text.value.length<=0||document.searchForm.text.value=="请您输入查询字段..."){
	alert("请您输入查询字段！");
	var text=document.searchForm.text.value;
	document.searchForm.text.value=name;
	document.searchForm.text.focus();
	document.searchForm.text.select();
  }else{
	return true;
  }
  return false;
}