// JScript File

// These Utility objects and functions can be reused anywhere


function OpenPopupWindow(navLink) {
    if (navLink == "" || navLink == null) return;
    try {
        window.open(navLink, 'popup_link');
    }
    catch (ex) {
    }
}



//*** Visible Functions

function SetElementVisible(oElement, bVisible) {
    if (!oElement) return;

    if (bVisible) {
        oElement.style.display = '';
    }
    else {
        oElement.style.display = 'none';
    }
}

function IsElementVisible(oElement) {
    if (!oElement) return false;

    try {
        if (oElement.style.display == 'none') {
            return false;
        }
        else {
            return true;
        }
    }
    catch (ex) {
        return false;
    }
}




// *** Listbox Functions
var ListUtil = new Object();

ListUtil.add = function (oListBox, sName, sValue) {
    var oOption = document.createElement("option");
    oOption.appendChild(document.createTextNode(sName));
    
    if (arguments.length == 3) {
        oOption.setAttribute("value", sValue);
        }
        
    oListBox.appendChild(oOption);
    }

ListUtil.remove = function(oListBox, iIndex) {
    oListBox.remove(iIndex);
}

ListUtil.clear = function(oListBox) {
    for (var i=oListBox.options.length-1; i>=0; i--) {
        ListUtil.remove(oListBox, i);
        }
}



//*** Radio Button Fuctions

function SetRadioButtonText(oRadio, strText, iIndex) {
    var labelArray = oRadio.parentNode.getElementsByTagName('label');

    if (labelArray.length > iIndex)
        labelArray[iIndex].innerHTML = strText;
}

function GetRadioButtonText(oRadio, iIndex) {
    var labelArray = oRadio.parentNode.getElementsByTagName('label');

    if (labelArray.length > iIndex) {
        return labelArray[iIndex].innerHTML;
    }
    else {
        return "";
    }

}

function ContainsString(strSource, strSearch) {
    if (strSource.indexOf(strSearch) != -1) {
        return true;
    }
    else {
        return false;
    }
}

function dNULLSafeField(strInput) {
    var dOutput = Number(strInput);
    if (dOutput == null || dOutput == NaN)
        dOutput = 0;
    return dOutput;
}


function formatCurrency(num) {
    num = isNaN(num) || num === '' || num === null ? 0.00 : num;
    return "$" + parseFloat(num).toFixed(2);
}


/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
**/

var Url = {

    // public method for url encoding
    encode: function(string) {
        return escape(this._utf8_encode(string));
    },

    // public method for url decoding
    decode: function(string) {
        return this._utf8_decode(unescape(string));
    },

    // private method for UTF-8 encoding
    _utf8_encode: function(string) {
        string = string.replace(/\r\n/g, "\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode: function(utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while (i < utftext.length) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if ((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i + 1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i + 1);
                c3 = utftext.charCodeAt(i + 2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}