// JavaScript Document
//函数名：chkemail
//功能介绍：检查是否为正确的Email
//参数说明：要检查的字符串
//返回值：1：是 0：不是

function  chkemail2(email)   
{     
  var emailstr=/^[_a-z0-9-.]+@([_a-z0-9]+\.)+[a-z0-9]{2,3}$/;     
  if(emailstr.test(email)==true)   
  {return 1;} 
  return 0;     
}

//功能介绍：去掉字符串左右空格
//参数说明：
//返回值：左右无空格的字符串
 String.prototype.Trim = function() {return this.replace(/(^\s*)|(\s*$)/g,"");}
 String.prototype.Ltrim = function(){return this.replace(/(^\s*)/g, "");}
 String.prototype.Rtrim = function(){return this.replace(/(\s*$)/g, "");}

///////////////faq
function J_faq(id)
{ 
	var faqdiv=document.getElementById(id);
	if(faqdiv!=null)
	{
		if(faqdiv.style.display=='none')
		{
			document.getElementById(id).style.display='block';				
		}
		else
		{
			document.getElementById(id).style.display='none';				
		}
	
	}

}
function J_faqshowall(id,num,type)
{ 	

	if(type.checked==true)
	{ 
	 	for(i=1;i<=num;i++)
		{
			document.getElementById(id+i).style.display='block';	
		}
	}
	else
	{
	 	for(i=1;i<=num;i++)
		{
			document.getElementById(id+i).style.display='none';	
		}
	}

}

//register
function ccjk_register(obj)
{
    var formerror='';
	if(obj.username.value.Trim()=='')
	{
	 formerror='Username,';
	}
	if(obj.email.value.Trim()=='')
	{
	 formerror=formerror+'E-mail,';
	}
	 else
	 {
	 if(chkemail(obj.email.value.Trim())==0)
		 {
			 formerror=formerror+'the E-mail is error,';
		 }
	 }	
	if(obj.password.value.Trim()=='')
	{
	 formerror=formerror+'Password,';
	}
	if(obj.password2.value.Trim()=='')
	{
	 formerror=formerror+'the same password,';
	}
	else
	{
		if(obj.password.value.Trim()!=obj.password2.value.Trim())
		 {formerror=formerror+'two password is not the same,please input the same password,';}
	}
	if(obj.read.value=='false')
	{
		formerror=formerror+'you have not ...,';
	}
    if(formerror!='')
	{
	  document.getElementById('form_error').style.display='block';
	  formerror='Please input your information about '+formerror.substring(0,formerror.length-1);
	  document.getElementById('form_error').innerHTML=formerror;
	  return false;
	}
	return true;

}
//login
function ccjk_login(obj)
{
    var formerror='';
	if(obj.name.value.Trim()=='')
	{
	 formerror='UserName,';
	}
	if(obj.password.value.Trim()=='')
	{
	 formerror=formerror+'Passowrd,';
	}
    if(formerror!='')
	{
	  document.getElementById('login_error').style.display='block';
	  formerror="Please input "+formerror.substring(0,formerror.length-1);
	  document.getElementById('login_error').innerHTML=formerror;
	  return false;
	}
	return true;

}

//功能介绍：点击时文字隐藏
function hiddenName(){
		document.getElementById("name").value = "";
}
function hiddenPassword(){
		document.getElementById("password").value = "";
}