// 判断设备类型
var isphone = 0;
isphone = browserredirect();
// 此代码来自于http://www.cnblogs.com/babycool/ 酷小孩
function browserredirect() {
    var suseragent = navigator.useragent.tolowercase();
    var bisipad = suseragent.match(/ipad/i) == "ipad";
    var bisiphoneos = suseragent.match(/iphone os/i) == "iphone os";
    var bismidp = suseragent.match(/midp/i) == "midp";
    var bisuc7 = suseragent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
    var bisuc = suseragent.match(/ucweb/i) == "ucweb";
    var bisandroid = suseragent.match(/android/i) == "android";
    var bisce = suseragent.match(/windows ce/i) == "windows ce";
    var biswm = suseragent.match(/windows mobile/i) == "windows mobile";
    if (bisipad || bisiphoneos || bismidp || bisuc7 || bisuc || bisandroid || bisce || biswm) {
	//document.writeln("phone");
	isphone = 1;
    } else {
	//document.writeln("pc");
	isphone = 0;
    }
    return isphone;
}