;(function(win){
	win.onload = function(){
		var DownloadApp = function(){
			//判断设备及浏览器
			function isDevice(device){
				var userAgent = window.navigator.userAgent;
				var dev = device || 'no device';
				// var devReg = /+device+/gi;
				if(eval('/'+device+'/gi').test(userAgent)){
					return true;
				}
				return false;
			};
			var Download = function(dom,iphoneUrl,androidUrl,layerUrl){
				this.ele = dom || window;
				this.iphoneUrl = iphoneUrl || '';
				this.androidUrl = androidUrl || ''; 
				this.layerUrl = layerUrl || '';
			}
			Download.prototype = {
				init: function(option){
					var _that = this;
					var ifrSrc = null;
					if(isDevice('iphone')){
						ifrSrc = 'rice://';
						document.querySelector('#startApp').click();
						// 获取APP版本号
					}else if(isDevice('android')){
						ifrSrc = 'app://rice';
						// 获取APP版本号
					}
					var ifr = document.createElement('iframe');
					ifr.src = ifrSrc;
					ifr.style.display = 'none';
					ifr.onload = function() {
						// alert('loaded')
					};

					ifr.onerror = function() {};
					document.body.appendChild(ifr);
					setTimeout(function() {
						document.body.removeChild(ifr);
					},1000);

					this.ele.onclick=function(e){
						if(isDevice('micromessenger') || isDevice('alipayclient')){
							_that.createGuideLayer();
						}else{
							if(isDevice('iphone')){
								win.location.href = _that.iphoneUrl;
							}else if(isDevice('android')){
								win.location.href = _that.androidUrl;

							}
							
						}
					};
				},
				createGuideLayer: function(){
						var imgObj = document.createElement('img');
							imgObj.id = 'guid';
							imgObj.style.cssText = 'position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;'; 
							imgObj.src = this.layerUrl || '';
						var oBody = document.getElementsByTagName('body')[0];
							oBody.appendChild(imgObj);
							var _that = this;
							imgObj.onclick = function(){
								var oBody = document.body || document.documentElement.getElementsByTagName('body')[0];
									oBody.removeChild(imgObj);
							};
				},
				deleteGuideLayer: function(){
					var imgDom = document.getElementById('guid');
						this.deleteDom(imgDom);
				}
			}
			
			return Download;
		}
		var dBtn = document.getElementById('down');
		var dBtn2 = document.getElementById('down2');
		var downBtn = DownloadApp();
		btnInstance = new downBtn(dBtn,'','http://jiyautility.com:37618/jiya/download/app/newfile.apk','files/layer.png');
		btnInstance2 = new downBtn(dBtn2,'','http://jiyautility.com:37621/jiya/download/app2/newfile.apk','files/layer.png');
		btnInstance.init();
		btnInstance2.init();
	}
})(window);