//檢核：區間長度
function checkLength(min, max, str){
    if(max<=min){
        alert('js參數錯誤！[參數min必須小於參數max]');
    }
    if(!(str.length>=min && str.length<=max))
        return true;//超過範圍
    else
        return false;
}
//檢核：是否含全形字
function hasFullType(str){
    //欲驗證的字串:Bryan520１３１４
    //有幾個英文字母:/[A-Za-z]/g
    //有幾個大寫英文字母:/[A-Z]/g
    //有幾個數字:/\d/g
    //有幾個全型字:/[^\x00-\xff]/g
    //有幾個半形字:/[\x00-\xff]/g
    var regExp = /[^\x00-\xff]/g;
    if (regExp.test(str))
        return true;
    else
        return false;
}
//檢核：僅能英數字
function onlyEngNum(str){
    var regExp = /^[\d|a-zA-Z]+$/;
    if (regExp.test(str))
        return true;
    else
        return false;
}
//檢核：是否英數混合
function mixEngNum(str){
    var regExp = /[A-Za-z]/g;
    var tmp = str.match(regExp);
    var engCount = 0;
    if(tmp)
        engCount = tmp.length;
    regExp = /\d/g;
    tmp = str.match(regExp);
    var numCount = 0;
    if(tmp)
        numCount = tmp.length;

    if(engCount>0 && numCount>0)
        return true;
    else
        return false;
}
function isEmail(email, showMsg){
    var regexp = '^[a-zA-Z0-9_-]+(\\.{0,1}[a-zA-Z0-9_-])*@[a-zA-Z0-9_-]+(\\.{1,1}[a-zA-Z0-9_-])+(\\.{0,1}[a-zA-Z0-9_-])*[a-zA-Z0-9_-]+$';
    if(email.match(regexp)==null){
        if(showMsg)
            alert('EMAIL格式錯誤!');
        return false;
    }    
    return true;
}
function lockElement() {
    var inputElements = document.getElementsByTagName("input");
    var textareaElements = document.getElementsByTagName("textarea");
    var i=0
    for(i=0; i < inputElements.length; i++) {
        inputElements[i].disabled = true;
    }
    for(i=0; i < textareaElements.length; i++) {
        textareaElements[i].disabled = true;
    }   
}