//标签
//离婚技巧&离婚方法
var prev;
function showCon(obj){
	//隐藏前一个
	if(prev!=null){
		document.getElementById("con"+prev).style.display="none";
		if(prev!="2"){
		document.getElementById("m"+prev).className="nav";
		}
        else{
		document.getElementById("m"+prev).className="nav2";
		}
	}
	
	//显示这一个
	document.getElementById("con"+obj).style.display="block";
	if(obj=="2"){
	document.getElementById("m"+obj).className="nav2A";
	}
	else
	{
	document.getElementById("m"+obj).className="navA";
	}

	prev=obj;
}
//离婚成本&离婚赔偿
var prevN;
function showConN(obj){
	//隐藏前一个
	if(prevN!=null){
		document.getElementById("conN"+prevN).style.display="none";
		if(prevN!="2"){
		document.getElementById("mN"+prevN).className="nav";
		}
        else{
		document.getElementById("mN"+prevN).className="nav2";
		}
	}
	
	//显示这一个
	document.getElementById("conN"+obj).style.display="block";
	if(obj=="2"){
	document.getElementById("mN"+obj).className="nav2A";
	}
	else
	{
	document.getElementById("mN"+obj).className="navA";
	}

	prevN=obj;
}

//搜索
function check(){
	if(document.formSear.types.value==""){
		alert("请选择类别进行查询！");
		document.formSear.types.focus();
		return false
	}
	if(document.formSear.keys.value==""){
		alert("请输入关键词！");
		document.formSear.keys.focus();
		return false
	}
}
 //留言
 function check(){
   if(gbook.man.value==""){
      alert("请正确填写您的姓名！");
	  gbook.man.focus();
	  return false;
	  }
	if(gbook.tel.value==""){
      alert("请填写您的联系电话！");
	  gbook.tel.focus();
	  return false;
	  }
    if(gbook.email.value==""){
      alert("请填写您的E-mail！");
	  gbook.email.focus();
	  return false;
	  }
    if(emailcheck(gbook.email.value)){
		alert("请输入正确的E-mail！");
		gbook.email.focus();
		return false;
   }
	if(gbook.content.value==""){
      alert("您的留言内容不能为容！");
	  gbook.content.focus();
	  return false;
	  }
	if(gbook.validatecode.value==""){
      alert("验证码不能为空！");
	  gbook.validatecode.focus();
	  return false;
	  }
}
//判断Email的正确性
function   emailcheck(string){     
  var   str_len   =   string.length;   
  if   (str_len<=5){   
        return   true   
          }       
  for(i=0;i<str_len;i++){   
          if   (string.charCodeAt(i)>127){   
  return   true     
  }   
  }   
  if   (string.indexOf("@")<2){   
          return   true   
          }       
    if   (string.indexOf(".")==1){   
          return   true   
          }       
  if   (string.indexOf(":")!=-1){   
          return   true   
  }   
 }