// JScript File
// http://www.askthecssguy.com/2007/05/validation_hints_for_your_form_1.html
function checkEmail(obj){
    //check into Reg Ex for this.
    // RexEx Source : http://www.devarticles.com/c/a/JavaScript/Regular-expressions-in-JavaScript/8/ 
    var emailExp = /^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9])+(\.[a-zA-Z0-9_-]+)+$/
    var par = obj.parentNode;
    if (emailExp.test(obj.value)){
            par.className = "statusGood";    
            return;
    }
    par.className = "statusUnknown";    
}

function showHint(obj){
    // make sure if DDL shrinkList is called first.
    var chds = obj.parentNode.getElementsByTagName("span");
    var myWid = getDistance(obj);    
    for (i=0;i<chds.length;i++){ 
        if (chds[i].className = "hint"){
            var hBlk = chds[i];
            hBlk.style.display = "block";      
            hBlk.style.left = (myWid  + 35) + "px";
            hBlk.style.zIndex = "300";
        }
    }
}

function getDistance(obj){
    var lbls = obj.parentNode.getElementsByTagName("label");
    // get width of referring opbject.
    var retWid = getObjWidth(obj);
    for (li=0;li<lbls.length;li++){ 
        // add width of labels.
        retWid += getObjWidth(lbls[li]);
    }
    return retWid;
}

function getObjWidth(lobj){
    var w = lobj.clientWidth;
    if (lobj.iWidth) w = lobj.iWidth;
    if (!w) w = 200;
    return w + 20;
}

function hideHint(obj){
    /// Make sure if DDL, expandList is call first.
    //chkFunction(obj);
    var chds = obj.parentNode.getElementsByTagName("span");
    var par = obj.parentNode;
    var myDist = getDistance(obj);
    for (i=0;i<chds.length;i++){
        if (chds[i].className = "hint"){
            var hBlk = chds[i];
            if (par.className == "statusGood"){          
                hBlk.style.display = "none";      
            }else{
                hBlk.className = "hintSmall";
                //var startI = parseInt(hBlk.style.left);
                //if (!startI) startI = 0;
                //hBlk.style.left = (startI  - 35) + "px";
                hBlk.style.left = (myDist) + "px";
                hBlk.style.zIndex = "";
            }
        }
    }
    //alert(par.className);
}

function shrinkList(obj){
    obj.style.width = getOtherBoxWidth(obj) + "px";
}

function getOtherBoxWidth(obj){
    var othBoxs = document.getElementsByTagName("select");
    var oldWid = "auto";
    for(ib=0;ib<othBoxs.length;ib++){
        var iBox = othBoxs[ib];
        if (iBox.id != obj.id){
         //if (iBox.style.width)
          oldWid = getObjWidth(iBox);
        }
    }
    return oldWid;

}

function expandList(obj){
try {
    obj.style.width = "auto";
    }catch(e){
    }
    
}


function checkText(obj){
    var par = obj.parentNode;
    par.className = "statusGood";    
    if (obj.value.length < 1){
      par.className = "statusUnknown";    
    }
}
function checkSelection(obj,dropDownFilter){
    var par = obj.parentNode;
    par.className = "statusGood";
    if (obj.value < 0) {
        par.className = "statusUnknown";
    }
    if (dropDownFilter) {
        if (obj.options[obj.selectedIndex].text.match(dropDownFilter)){
            par.className = "statusGood";
        }else{
            par.className = "statusBad";
        }
    }

}

function checkPassword(obj){
    var par = obj.parentNode;
    par.className = "statusGood";    
    if (obj.value.length < 1){
      par.className = "statusUnknown";    
    }
}


function checkNumber(obj){
    var par = obj.parentNode;
    var numExp = /^[0-9]{1,5}$/
    if (obj.value == ''){
        par.className = "statusUnknown";    
        return;
    }
    if (numExp.test(obj.value)){
        if (obj.value > 65555){
            par.className = "statusBad";    
            return;
        }
        par.className = "statusGood";    
        return;
    }
    par.className = "statusBad";    
}

function checkAllBoxes(obj){
    var arr = document.getElementsByTagName("input");
    var toCheck = false;
    var newTxt = "Select All";
    toCheck = (obj.innerHTML == "Select All");
    if (toCheck){
        newTxt = "Unselect All";
    }
        for (i=0;i<arr.length;i++){
        if (arr[i].type == "checkbox"){
            arr[i].checked = toCheck;
            markMyLine(arr[i]);
        }
    }
    obj.innerHTML = newTxt;
}

function markMyLine(obj){
    var par = obj.parentNode.parentNode;
    var txt = "pageNode";
    if (obj.checked){
        txt = "pageNodeSelected";
    } 
    par.setAttribute("class", txt);
    par.setAttribute("className", txt); 
    //par.style.border = "solid 1px #F00"
}

  function countChars(txtToCount,spanToShow,count){
        var txt = document.getElementById(txtToCount);
        var lbl = document.getElementById(spanToShow);
        var charCount = txt.value.length;
        lbl.innerHTML = "used: " + charCount + " max: " + count;
        if(charCount > count){
            lbl.innerHTML += " exceeded: " + (charCount - count);
            lbl.setAttribute("class", "charCountError");
            lbl.setAttribute("className", "charCountError"); 
        }else{
            lbl.setAttribute("class", "charCount");
            lbl.setAttribute("className", "charCount"); 
        }
        lbl.innerHTML += " (characters)";
        return;
    }