$(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($dom){
    if($dom.offset()){
        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;
}
//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;
    }
};
//获取ie浏览器版本
function getbrowserversion(){
    var hc = $('html').attr('class');
    if(hc){
        var ieversion = hc && hc.split(' ')[1];
        if(ieversion){
            $('.browserupgrade>strong').text(ieversion.touppercase());
        }
    }
}
getbrowserversion();
//鼠标延迟执行事件方法
$.fn.hoverdelay = function(options){
    var defaults = {
        hoverduring: 200,
        outduring: 200,
        hoverevent: function(){
            $.noop();
        },
        outevent: function(){
            $.noop();
        }
    };
    var sets = $.extend(defaults,options || {});
    var hovertimer, outtimer, that = this;
    return $(this).each(function(){
        $(this).on('mouseenter',function(){
            cleartimeout(outtimer);
            hovertimer = settimeout(function(){sets.hoverevent.apply(that)}, sets.hoverduring);
        });
        $(this).on('mouseleave',function(){
            cleartimeout(hovertimer);
            outtimer = settimeout(function(){sets.outevent.apply(that)}, sets.outduring);
        });
    });
}




$(function(){
    $(window).resize(function(){
        var wid = $(window).width();
        if(wid < 768){
            window.location.reload();
        }
    })
})