$(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('/');
    //获取地址栏参数
    


    //判断pad横屏竖屏，刷新页面
    addeventlistener('load', function(){
       // orientationchange();
        window.onorientationchange = orientationchange;
    });
    if(!ispc()){
      if($(window).height()==812){
        $('body').addclass('phonex')
      }
      if($(window).height()==1366){
        $('body').addclass('h1366')
      }
      if($(window).height()==1024){
        $('body').addclass('h1024')
      }
    }
})

// function placeholdersupport() {
//     return 'placeholder' in document.createelement('input');
// }
function scrollt($dom){
    if($(window).scrolltop()+$(window).height()>=$dom.offset().top+200){
        return true;
    }
}
function getquerystring(name) {                                      
  var reg = new regexp("(^|&)" + name + "=([^&]*)(&|$)", "i");     
  var r = window.location.search.substr(1).match(reg);
  if (r != null) return unescape(r[2]); return null;            
}
function mainbgresize1($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
    }
    $img.css({height:sh,width:sw, margintop: -(sh - height) / 2, marginleft: -(sw - width) / 2, 'visibility': 'visible' });
}
//判断是否firefox浏览器
function isfirefox(){
    if (navigator.useragent.indexof("firefox") > -1) 
    return true;
    else
    return false;
}
//判断是否ie浏览器
function isie() {
    if (!!window.activexobject || "activexobject" in window)
    return true;
    else
    return false;
}
function ispc() { 
   var useragentinfo = navigator.useragent; 
   var agents = new array("android", "iphone", "symbianos", "windows phone", "ipad", "ipod"); 
   var flag = true; 
   for (var v = 0; v < agents.length; v++) { 
       if (useragentinfo.indexof(agents[v]) > 0) { flag = false; break; } 
   } 
   return flag; 
}  
function maxheight(domh){
    domh.attr("style", "");
    var narray = new array();
    domh.each(function () {
        narray.push($(this).innerheight());
    })
    domh.css({ "height": math.max.apply(null, narray) })
}
function initevent(classna) {
  $(classna).each(function () {
    var $this = $(this), holder = $this.data('holder');
    if (holder) {
      $this.css('color', '#626268').val(holder);
    }
  });
  //获取焦点时设置内容的颜色和值为空
  $(document).off('focus', classna).on('focus', classna, function () {
    var $this = $(this);
    if ($this.val() === $this.data('holder')) {
      $this.css({
        'color':'#fff',
        'backgroundcolor':'transparent'
      }).val('');
    }else{
        $this.css({
        'color':'#fff',
        'backgroundcolor':'transparent'
      }).val($this.val());
    }
  });
  //失去焦点后还原提示内容
  $(document).off('focusout', classna).on('focusout', classna, function () {
    var $this = $(this);
    if ($.trim($this.val()) === '') {
      $this.css({
        'color':'#626268',
        'backgroundcolor':'transparent'
      }).val($this.data('holder'));
    }else{
        $this.css({
        'color':'#fff',
        'backgroundcolor':'transparent'
      }).val($this.val());
    }
  });
}

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;
  }
};