$(function(){
    if(!placeholdersupport()){
        $('[placeholder]').focus(function() {
            var input = $(this);
            if (input.val() == input.attr('placeholder')) {
                input.val('');
                input.removeclass('placeholder');
            }
        }).blur(function() {
            var input = $(this);
            if (input.val() == '' || input.val() == input.attr('placeholder')) {
                input.addclass('placeholder');
                input.val(input.attr('placeholder'));
            }
        }).blur();
    };
    if(!ispc()){$('body').addclass('touch_body')}
    //ie浏览器
    if(isie()){$('html').addclass('isie');}
    // 获取当前url
    var url_location = window.location.pathname;
    var arr = [];
    arr = url_location.split('/');
})

function placeholdersupport() {
    return 'placeholder' in document.createelement('input');
}
function scrollt($dom){
    if($(window).scrolltop()+$(window).height()>=$dom.offset().top+200){
        return true;
    }
}
function mainbgresize1($img, width, height, w_b, h_b) {
    var sw = width,
        sh = width / w_b * h_b
    if (sh < height) {
        sh = height;
        sw = height / h_b * w_b
    }
    $img.css({height:sh,width:sw, margintop: -(sh - height) / 2, marginleft: -(sw - width) / 2, 'visibility': 'visible' });

}
//判断是否firefox浏览器
function isfirefox(){
    if (navigator.useragent.indexof("firefox") > -1) 
    return true;
    else
    return false;
}
//判断是否ie浏览器
function isie() {
    if (!!window.activexobject || "activexobject" in window)
    return true;
    else
    return false;
}
function ispc() { 
   var useragentinfo = navigator.useragent; 
   var agents = new array("android", "iphone", "symbianos", "windows phone", "ipad", "ipod"); 
   var flag = true; 
   for (var v = 0; v < agents.length; v++) { 
       if (useragentinfo.indexof(agents[v]) > 0) { flag = false; break; } 
   } 
   return flag; 
}  
//导航按钮
$('.nav_btn').click(function(){
    $('.header').toggleclass('btn_click');
    if($('.header').hasclass('btn_click')){
        $('.nav_right>ul>li').removeclass('cur');
        $('.nav_right>ul>li').find('dl').hide();
        $('.nav_er').hide();
    }
});
//首页移动端导航
$(window).resize(function(){
    // $('.header .nav_right>ul').css({
    //     'height':$(window).height()-70
    // });
    //针对ipadpro设置样式
    if($(window).height()>=1024 && $(window).width()<=1300){
        $('body').removeclass('ipadpro1024');
        $('body').addclass('ipadpro1366');
    }else if($('.touch_body').size()>0 && $(window).width()>1300){
        $('body').removeclass('ipadpro1366');
        $('body').addclass('ipadpro1024');
    }
}).resize();

/**
 * @fileoverview 简单切签
 * @example
 * 1、调用切签：
   var tabchange = require("./common/tabchange");
   tabchange({
        targetele:'#com_title li',
        curclass:'on'
   });

   2、修改html：
   <h2>
            <ul id="com_title">
                <li class="on" data-tab="com_tab1"><a>动态</a></li>
                <li data-tab="com_tab2"><a>拿地</a></li>
            </ul>
    </h2>
    <div class="none" id="com_tab1"></div>
    <div class="none" id="com_tab2"></div>
 */
function tabchange(opts){
    var defaultopts = {
            targetele:'#com_title li',    //切签头部要点击的元素
            curclass:'on',   //切签头部选中后的样式
            tabclass:null, //tab的class
            needpause:false  //点击前是否先暂停动画
    };
    this.changeevent = null;
    $.extend(defaultopts,opts);
    if(!(this instanceof tabchange)){
        return new tabchange(defaultopts);
    }
    this.init.apply(this,[defaultopts]);
}
tabchange.prototype = {
    init:function(data){
        var targetele = data.targetele,
            curclass = data.curclass,
            tabcur = null,
            self = this;
        $(targetele).on('click',function(){
            var tabid = $(this).attr('data-tab');
            tabcur = '';
            if( $(this).siblings("."+curclass).length > 0 ){
                $(this).siblings().removeclass(curclass);
            }else{
                $(this).parent().siblings().children().removeclass(curclass);
            }
            $(this).addclass(curclass);
            if( !data.tabclass ){
                $('#'+tabid).parent().children('div').addclass('none');
            }else{
                $('#'+tabid).parent().children('div.'+data.tabclass).addclass('none');
            }
            $('#'+tabid).removeclass('none');
        });
    }
}  
//保留小数点后两位，四舍五入
function todecimal(x) { 
   var f = parsefloat(x); 
   if (isnan(f)) { 
    return false; 
   } 
   var f = math.round(x*100)/100; 
   var s = f.tostring(); 
   var rs = s.indexof('.'); 
   if (rs < 0) { 
    rs = s.length; 
    s += '.'; 
   } 
   while (s.length <= rs + 2) { 
    s += '0'; 
   } 
   return s; 
}
//移动二级导航
function movemenulink(){
    if($(window).width() <= 1250){
        if(!$('.nav_right>ul>li').eq(0).children('a').attr('data-href')){
            $('.nav_right>ul>li').each(function(){
                var shref = $(this).children('a').attr('href');
                $(this).children('a').attr('data-href',shref);
                $(this).children('a').attr('href','javascript:;');
            });
        }
    }else{
        if($('.nav_right>ul>li').eq(0).children('a').attr('data-href')){
            $('.nav_right>ul>li').each(function(){
                var dhref = $(this).children('a').attr('data-href');
                $(this).children('a').attr('href',dhref);
                $(this).children('a').removeattr('data-href');
            });
        }
    }
}
movemenulink();
//二级导航
function menubar(){
    $('.nav_right>ul>li').find('dl').hide();
    if($(window).width() > 1250){
        $('.nav_right>ul>li').removeclass('cur');
        $('.nav_right>ul>li').find('dl').hide();
        $('.nav_right>ul>li').off('mouseenter').off('click').on('mouseenter',function(){
            $(this).find('dl').stop().show();
        });
        $('.nav_right>ul>li').off('mouseleave').off('click').on('mouseleave',function(){
            $(this).find('dl').stop().hide();
        });
    }else{
        $('.header').removeclass('btn_click');
        $('.header.btn_click .nav_right').css('opacity',0.8);
        $('.nav_right>ul>li').removeclass('cur');
        $('.nav_right>ul>li').find('dl').hide();
        $('.nav_right>ul>li').off('mouseenter').off('mouseleave').off('click').on('click',function(){
            $('.nav_right>ul>li').removeclass('cur');
            if($(this).find('dl').css('display')=='none'){
                $('.nav_right>ul>li').find('dl').hide();
                $(this).addclass('cur');
                $(this).find('dl').stop().show();
            }else{
                $(this).removeclass('cur');
                $(this).find('dl').stop().hide();
            }
        });
        $('.nav_right>ul>li>dl>dd').off('mouseenter').off('mouseleave').off('click').on('click',function(evt){
            evt.stoppropagation();
        });
    }
}
menubar();
$(window).on('resize',function(){
    movemenulink();
    menubar();
});

//动态调整banner中文字位置
function resizebannert(){
    if($(window).width() >= 1280){
        $('.banner_area').css({'width':1280});
    }else{
        $('.banner_area').css({'width':$(window).width()});
    }
}
resizebannert();
$(window).on('resize',function(){
    resizebannert();
});
//显隐底部右下角微信图片
$('.bds_weixin').hover(function(){
    $(this).find('.ewm_img').show();
},function(){
    $(this).find('.ewm_img').hide();
});
//绑定事件监听
function addevent(eve,callback){
  if (window.attachevent){
      window.attachevent("on"+eve,callback); 
  }else if(window.addeventlistener) { 
      window.addeventlistener(eve,callback,false);   
  }
}
//判断pad横屏竖屏，刷新页面
addevent('load', function(){
   // orientationchange();
    window.onorientationchange = orientationchange;
});
function orientationchange() {
  switch(window.orientation) {
　　case 0: 
        //alert("肖像模式 0,screen-width: " + screen.width + "; screen-height:" + screen.height);
         window.location.reload();
        break;
　　case -90: 
        //alert("左旋 -90,screen-width: " + screen.width + "; screen-height:" + screen.height);
      window.location.reload();
        break;
　　case 90:   
       // alert("右旋 90,screen-width: " + screen.width + "; screen-height:" + screen.height);
      window.location.reload();
        break;
　　case 180:   
    　　//alert("风景模式 180,screen-width: " + screen.width + "; screen-height:" + screen.height);
    window.location.reload();
    　　break;
  }
};