$(function(){
//判断是否是pc
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone","SymbianOS", "Windows Phone","iPad", "iPod"];

//判断是否是ie8 Begin
var isIE = userAgentInfo.indexOf("compatible") > -1 && userAgentInfo.indexOf("MSIE") > -1;
if(isIE){
  var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
  reIE.test(userAgentInfo);
  var fIEVersion = parseFloat(RegExp["$1"]);
  if(fIEVersion<=8){
      return;
  } 
}
//判断是否是ie8 End

function IsPC() {       
        var flag = true;
        for (var v = 0; v < Agents.length; v++) {
            if (userAgentInfo.indexOf(Agents[v]) > 0) {
                flag = false;
                break;
            }
        }
        return flag;
    };
	
var flag_pad = false;            
if (userAgentInfo.indexOf("iPad")>0 || userAgentInfo.indexOf("iPod")>0){
    flag_pad = true;              
}

function showApp(){
	var winWidth = $(window).width();
    if (winWidth < 750) {		
		$("html").css({"zoom":"+winWidth/774+","transform":"scale("+winWidth/750+")","transform-origin": "top left"});		
    }
	else{
		$("html").css({"zoom":"","transform":""});	
	}
}


var isPC=IsPC();

if(isPC){	
	   showApp();
       window.onresize=function () {  	 
          showApp();
	   } 
}

if(flag_pad){
	showPC(); 
}


//判断ipad请求桌面站点（显示pc版）
var userAgentInfo = navigator.userAgent;
if (userAgentInfo.indexOf('Macintosh') > 0 ) {
	 showPC();
	 orient();
}

//判断横屏或者竖屏
window.addEventListener("onorientationchange" in window ? "orientationchange" : "resize", orient, false);
function orient() {         
            if (window.orientation == 0 || window.orientation == 180) {  
			  
                if(window.localStorage.getItem('name')=='a'){                   				  
				      window.location.reload();
                      window.localStorage.setItem('name','b');
                }
				orientation = 'portrait';	                            
                return false;
            }
            if (window.orientation == 90 || window.orientation == -90) {				
			
				window.localStorage.setItem('name','a');
				
				showPC();
									
				orientation = 'landscape';			
                return false;
            }
}

//手机端横屏显示pc版
function removejscssfile(filename,filetype){
   var targetelement=(filetype=="js")? "script" :(filetype=="css")? "link" : "none"
   var targetattr=(filetype=="js")?"src" : (filetype=="css")? "href" :"none"
   var allsuspects=document.getElementsByTagName(targetelement)
   for (var i=allsuspects.length; i>=0;i--){
      if (allsuspects[i] &&allsuspects[i].getAttribute(targetattr)!=null && allsuspects[i].getAttribute(targetattr).indexOf(filename)!=-1)
       allsuspects[i].parentNode.removeChild(allsuspects[i])
      }
}
function showPC(){
	removejscssfile("mobile.css","css");
	removejscssfile("mobile_index.css","css");
    var viewportmeta = document.querySelector('meta[name="viewport"]');
    if (viewportmeta) {
      viewportmeta.content = "width=1280,target-densitydpi=device-dpi";
    }	
	$("html").css({"zoom":"","transform":"","height":"100%"});
}

orient();

});