window.onload=function(){
    if(asny()){
        return;
    }else if(asny()=='none'){
        return;
    }
    else{
        window.location.href="alipay.html";
        return;
    }
}
function asny(){
    if (/MicroMessenger/.test(window.navigator.userAgent)) { 
        return true; 
    } else if (/AlipayClient/.test(window.navigator.userAgent)) { 
        return false;
    }else{
        return 'none';
    }
}
function firstSpan(){
        var moneyInput=document.getElementsByClassName("moneyInput")[0];
        var number=moneyInput.querySelector("input");
        var first=document.getElementsByClassName("firstSpan")[0].children,
            second=document.getElementsByClassName("secondSpan")[0].children,
            third=document.getElementsByClassName("thirdSpan")[0].children,
            fourth=document.getElementsByClassName("fourthSpan")[0].children;
        var reg = /(^[1-9]([0-9]+)?(\.[0-9]{1,2})?$)|(^(0){1}$)|(^[0-9]\.[0-9]([0-9])?$)/;
        for(var i=0;i<first.length;i++){
            (function(i){
                //console.log(first[i]);
                first[i].onclick=function(){
                    console.log(first[i].innerHTML);
                    if(i<first.length-1){
                        number.value+=first[i].innerHTML;
                        if(reg.test(number.value)){
                            number.value=number.value;
                        }else{
                            number.value=number.value.substring(0,number.value.length-1);
                        }
                        
                    }else{
                        number.value=number.value.substring(0,number.value.length-1);
                    }
                }
            })(i)
        }

        for(var i=0;i<second.length;i++){
            (function(i){
                //console.log(first[i]);
                second[i].onclick=function(){
                    console.log(second[i].innerHTML);
                    if(i<second.length-1){
                        number.value+=second[i].innerHTML;
                        if(reg.test(number.value)){
                            number.value=number.value;
                        }else{
                            number.value=number.value.substring(0,number.value.length-1);
                        }
                    }else{
                        console.log("don't touch me hentai!");
                    }
                }
            })(i)
        }

        for(var i=0;i<third.length;i++){
            (function(i){
                //console.log(third[i]);
                third[i].onclick=function(){
                    console.log(third[i].innerHTML);
                    if(i<third.length-1){
                        number.value+=third[i].innerHTML;
                        if(reg.test(number.value)){
                            number.value=number.value;
                        }else{
                            number.value=number.value.substring(0,number.value.length-1);
                        }
                    }else{
                        console.log("don't touch me hentai!");
                    }
                }
            })(i)
        }

        for(var i=0;i<fourth.length;i++){
            (function(i){
                //console.log(first[i]);
                fourth[i].onclick=function(){
                    console.log(fourth[i].innerHTML);
                    if(i<fourth.length-1){
                        if(number.value.indexOf(".")==-1){
                            if(reg.test(number.value)){
                                number.value+=fourth[i].innerHTML;
                            }else{
                                number.value=number.value;
                            }
                        }else{
                            number.value=number.value;
                        }
                        
                    }else{
                        console.log("don't touch me hentai!");
                    }
                }
            })(i)
        }
    }