// 此處添加如下js 可以避免二倍圖和百分比定位造成的不便
if(/Android (\d+.\d+)/.test(navigator.userAgent)){
varversion =parseFloat(RegExp.$1);
if(version>2.3){
varphoneScale =parseInt(window.screen.width)/640;
document.write('<meta name="viewport" content="width=640, minimum-scale = '+ phoneScale +', maximum-scale = '+ phoneScale +', target-densitydpi=device-dpi">');
}else{
document.write('<meta name="viewport" content="width=640, target-densitydpi=device-dpi">');
}
}else{
document.write('<meta name="viewport" content="width=640, user-scalable=no, target-densitydpi=device-dpi,minimal-ui">');
}