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

function showpad(){
	var viewportmeta = document.querySelector('meta[name="viewport"]');
    if (viewportmeta) {
      viewportmeta.content = "width=1280,target-densitydpi=device-dpi";
    }	
	$("html").css({"zoom":"","transform":"","height":"100%"}); 
}

var isPC=IsPC();

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

if(flag_pad){
	showpad();
	orient(); 
}

//判断ipad请求桌面站点（显示pc版）
var userAgentInfo = navigator.userAgent;
if (userAgentInfo.indexOf('Macintosh') > 0 ) {
	 showpad();
	 orient();
}
if (window.attachEvent) {    
    window.attachEvent("onorientationchange" in window ? "orientationchange" : "resize", orient, false);
} else if (window.addEventListener) {    
    window.addEventListener("onorientationchange" in window ? "orientationchange" : "resize", orient, false);
} 

function orient() {         
            if (window.orientation == 0 || window.orientation == 180) {  
			  
                if(window.localStorage.getItem('name')=='a'){                    				  
					  if(flag_pad){
					     showpad();  
					  }
                      window.localStorage.setItem('name','b');
                }
				orientation = 'portrait';	                            
                return false;
            }
            if (window.orientation == 90 || window.orientation == -90) {				
			    if(flag_pad){
					showpad();  
				}
				window.localStorage.setItem('name','a');					
				orientation = 'landscape';			
                return false;
            }
}

if(isPC){
    $(".model").height($(document).height()-124);
}else{
    $(".model").height($(window).height()-124);
}


})