var previousColor;

function MenuMouseOver(theRow) {
    if (theRow) {
        previousColor = theRow.className;
        theRow.className = 'menuitem menuitemrollover';
    }
}

function MenuMouseOut(theRow) {
    if (theRow) {
        theRow.className = previousColor;
    }
}

function RedirectLink(link) {
    window.location = link;
}

function findFrameElem(theFrame, theElem) {
    if (frames[theFrame].document.getElementById) {
        if (frames[theFrame].document.getElementById(theElem)) {
            return frames[theFrame].document.getElementById(theElem);
        } else {
            return null;
        }
    } else {
        if (frames[theFrame].document.all[theElem]) {
            return frames[theFrame].document.all[theElem];
        } else {
            return null;
        }
    }
}

function Replace(inputString, fromString, toString) {
    // Goes through the inputString and replaces every occurrence of fromString with toString
    var temp = inputString;
    if (fromString == "") {
        return inputString;
    }
    if (toString.indexOf(fromString) == -1) { // If the string being replaced is not a part of the replacement string (normal situation)
        while (temp.indexOf(fromString) != -1) {
            var toTheLeft = temp.substring(0, temp.indexOf(fromString));
            var toTheRight = temp.substring(temp.indexOf(fromString) + fromString.length, temp.length);
            temp = toTheLeft + toString + toTheRight;
        }
    } else { // String being replaced is part of replacement string (like "+" being replaced with "++") - prevent an infinite loop
        var midStrings = new Array("~", "`", "_", "^", "#");
        var midStringLen = 1;
        var midString = "";
        // Find a string that doesn't exist in the inputString to be used
        // as an "inbetween" string
        while (midString == "") {
            for (var i = 0; i < midStrings.length; i++) {
                var tempMidString = "";
                for (var j = 0; j < midStringLen; j++) { tempMidString += midStrings[i]; }
                if (fromString.indexOf(tempMidString) == -1) {
                    midString = tempMidString;
                    i = midStrings.length + 1;
                }
            }
        } // Keep on going until we build an "inbetween" string that doesn't exist
        // Now go through and do two replaces - first, replace the "fromString" with the "inbetween" string
        while (temp.indexOf(fromString) != -1) {
            var toTheLeft = temp.substring(0, temp.indexOf(fromString));
            var toTheRight = temp.substring(temp.indexOf(fromString) + fromString.length, temp.length);
            temp = toTheLeft + midString + toTheRight;
        }
        // Next, replace the "inbetween" string with the "toString"
        while (temp.indexOf(midString) != -1) {
            var toTheLeft = temp.substring(0, temp.indexOf(midString));
            var toTheRight = temp.substring(temp.indexOf(midString) + midString.length, temp.length);
            temp = toTheLeft + toString + toTheRight;
        }
    } // Ends the check to see if the string being replaced is part of the replacement string or not
    return temp; // Send the updated string back to the user
} // Ends the "replaceSubstring" function

function Left(str, n) {
    if (n <= 0)
        return "";
    else if (n > String(str).length)
        return str;
    else
        return String(str).substring(0, n);
}

function Right(str, n) {
    if (n <= 0)
        return "";
    else if (n > String(str).length)
        return str;
    else {
        var iLen = String(str).length;
        return String(str).substring(iLen, iLen - n);
    }
}

function Trim(s) {
    // Remove leading spaces and carriage returns
    while ((s.substring(0, 1) == ' ') || (s.substring(0, 1) == '\n') || (s.substring(0, 1) == '\r')) {
        s = s.substring(1, s.length);
    }

    // Remove trailing spaces and carriage returns
    while ((s.substring(s.length - 1, s.length) == ' ') || (s.substring(s.length - 1, s.length) == '\n') || (s.substring(s.length - 1, s.length) == '\r')) {
        s = s.substring(0, s.length - 1);
    }

    return s;
}

function copyToClipboard(s) {
    alert('Copying ' + s + ' to clip board');
    if (window.clipboardData && clipboardData.setData) {
        clipboardData.setData("Text", s);
    }
}