/* onKeyPress validation function */
function validVal(event, keyRE) {
    if ((typeof (event.keyCode) != 'undefined' && event.keyCode > 0 && String.fromCharCode(event.keyCode).search(keyRE) != (-1)) ||
		(typeof (event.charCode) != 'undefined' && event.charCode > 0 && String.fromCharCode(event.charCode).search(keyRE) != (-1)) ||
		(typeof (event.charCode) != 'undefined' && event.charCode != event.keyCode && typeof (event.keyCode) != 'undefined' && event.keyCode.toString().search(/^(8|9|13|45|46|35|36|37|39)$/) != (-1)) ||
		(typeof (event.charCode) != 'undefined' && event.charCode == event.keyCode && typeof (event.keyCode) != 'undefined' && event.keyCode.toString().search(/^(8|9|13)$/) != (-1))) {
        return true;
    } else {
        return false;
    }
}




var isNN = (navigator.appName.indexOf("Netscape") != -1);

function autoTab(input, len, e) {
    var keyCode = (isNN) ? e.which : e.keyCode;
    var filter = (isNN) ? [0, 8, 9] : [0, 8, 9, 16, 17, 18, 37, 38, 39, 40, 46];
    if (input.value.length >= len && !containsElement(filter, keyCode)) {
        input.value = input.value.slice(0, len);
        input.form[(getIndex(input) + 1) % input.form.length].focus();
    }

    function containsElement(arr, ele) {
        var found = false, index = 0;
        while (!found && index < arr.length)
            if (arr[index] == ele)
            found = true;
        else
            index++;
        return found;
    }

    function getIndex(input) {
        var index = -1, i = 0, found = false;
        while (i < input.form.length && index == -1)
            if (input.form[i] == input) index = i;
        else i++;
        return index;
    }
    return true;
}



function checkEnter(e) { //e is event object passed from function invocation
    var characterCode; // literal character code will be stored in this variable

    if (e && e.which) { //if which property of event object is supported (NN4)
        e = e;
        characterCode = e.which;  //character code is contained in NN4's which property
    }
    else {
        e = event
        characterCode = e.keyCode //character code is contained in IE's keyCode property
    }

    if (characterCode == 13) { //if generated character code is equal to ascii 13 (if enter key)
        return false;
    }
    else {
        return true;
    }

}
function checkEnterwNumber(e) { //e is event object passed from function invocation
    var characterCode; // literal character code will be stored in this variable

    if (e && e.which) { //if which property of event object is supported (NN4)
        e = e;
        characterCode = e.which;  //character code is contained in NN4's which property
    }
    else {
        e = event
        characterCode = e.keyCode //character code is contained in IE's keyCode property
    }

    if (characterCode == 13) { //if generated character code is equal to ascii 13 (if enter key)
        return false;
    }
    else {
        return validVal(e, /[0-9]/);
    }

}



function setEnterLink(e,value) { //e is event object passed from function invocation
    var characterCode; // literal character code will be stored in this variable

    if (e && e.which) { //if which property of event object is supported (NN4)
        e = e;
        characterCode = e.which;  //character code is contained in NN4's which property
    }
    else {
        e = event
        characterCode = e.keyCode //character code is contained in IE's keyCode property
    }

    if (characterCode == 13) { //if generated character code is equal to ascii 13 (if enter key)
        document.location.href = "/?whatKey="+value+"&page="+document.location.href;
        return false;
    }
    else {
        return true;
    }

}