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 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{
     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;
}

function click() {
if (event.button==2) {
	if(document.all.auto.status==true){document.all.auto.status=false;alert("自动滚屏已经停止！")}
	scroller();
	}
}
document.onmousedown=click

var position = 0; 
function scroller() {
if (document.all.auto.status==true){ 
	position++; 
	scroll(0,position); 
	clearTimeout(timer); 
	var timer = setTimeout("scroller()",50); 
	timer;
	}
else{
	clearTimeout(timer);
	}
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}


function doZoom(size){
	document.getElementById('zoom').style.fontSize=size+'px'
}

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=465')
}

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,top=50,left=50,width=450,height=300");
	newWindow.focus();
	}else
	{
		newWindow.focus();
	}
	parent.window.document.location.reload();
}

function checkdata_upload(){
 if(document.upload.title.value.length<=0){
	alert("请输入标题！");
	var title=document.upload.title.value;
	document.upload.title.value=title;
	document.upload.title.focus();
	document.upload.title.select();
 }else if(document.upload.article.value.length<=0){
	alert("请输入正文！");
	var article=document.upload.article.value;
	document.upload.article.value=article;
	document.upload.article.focus();
	document.upload.article.select();
 }else if(document.upload.name.value.length<=0){
	alert("请输入姓名！");
	var name=document.upload.name.value;
	document.upload.name.value=name;
	document.upload.name.focus();
	document.upload.name.select();
 }else if(document.upload.tel.value.length<=0){
	alert("请输入电话！");
	var tel=document.upload.tel.value;
	document.upload.tel.value=tel;
	document.upload.tel.focus();
	document.upload.tel.select();
 }else if(document.upload.email.value.length<=0){
	alert("请输入您的邮箱！");
	var email=document.upload.email.value;
	document.upload.email.value=email;
	document.upload.email.focus();
	document.upload.email.select();
  }else if(document.upload.ifUpload.checked==true&&document.upload.uploadFile.value.length<=0){
	alert("请选择上传内容");
	var uploadFile=document.upload.uploadFile.value;
	document.upload.uploadFile.value=email;
	document.upload.uploadFile.focus();
	document.upload.uploadFile.select();
 }else{
	 windowOpener('');
	return true;
 }
 return false;

}

function checkChangeUpload(){
    if(document.upload.ifUpload.checked==true){
       document.upload.uploadFile.disabled=false;
    }else{
       document.upload.uploadFile.disabled=true;
    }
}