function lookupCourseBannerDescriptionURL( givenCRN )
{
    var myTerm = "200809";
    return "https://lighthouse.sunysuffolk.edu/pls/prod/bwckctlg.p_display_courses?"
        + "sel_crse_strt=" + givenCRN 
        + "&term_in=" + myTerm 
        + "&one_subj=MAT"
        + "&sel_crse_end="
        + "&sel_subj="
        + "&sel_levl="
        + "&sel_schd="
        + "&sel_coll="
        + "&sel_divs="
        + "&sel_dept="
        + "&sel_attr=";
}
function lookupPersonDirectoryListingURL( givenDirID )
{
    return "http://www3.sunysuffolk.edu/OnlineDirectory/onlinedirectory.asp?print=TRUE&clean=TRUE&cred=1&url=1&index=" 
                + givenDirID;
}
function lookupCourseTemplateLocalURL( givenCourse )
{
    return "../syllabi/" + givenCourse[ "syllabus" ];
}
function lookupCommitteeLocalURL( givenCommittee )
{   
    return "committees.html#" + makeCommitteeID( givenCommittee );
}
function makeCommitteeID( givenCommittee )
{
    return givenCommittee[ "Name" ];
}
function lookupBookAmazonSearchURL( givenBook )
{
    var myTitle = givenBook[ "Title" ];
    var myAuthor = givenBook[ "Author" ];
    var myPublisher = givenBook[ "Publisher" ];
    var myEdition = givenBook[ "Edition" ];
    
    var mySearchString = myTitle + " " + myAuthor + " " + myPublisher + " " + myEdition + "th Edition";
    mySearchString = mySearchString.replace( / /g, "+" );
    return "http://www.amazon.com/s/ref=nb_ss_gw/102-3172260-2612123?url=search-alias%3Dstripbooks&field-keywords=" 
        + mySearchString;            
}




function appendCourse( givenParent, givenCourse )
{
    var myTitle = givenCourse[ "Title" ];
    var myCRN = givenCourse[ "CRN" ];
    var myOldCatalog = givenCourse[ "MA" ];
    var myBook = givenCourse[ "Book" ];

    var myContainer = constructClassifiedChild( givenParent, "div", "course-container" );
    
    var myTable = constructClassifiedChild( myContainer, "table", "course-header-table" );
    var myBody = constructClassifiedChild( myTable, "tbody", "course-header-body" );
    var myRow = constructClassifiedChild( myBody, "tr", "course-header-row" );
    
    var myCRNCell = constructClassifiedChild( myRow, "td", "course-CRN-cell" );
    appendText( myCRNCell, "MAT " + myCRN );
    
    var myOldCatalogCell = constructClassifiedChild( myRow, "td", "course-old-catalog-cell" );
    appendText( myOldCatalogCell, "(MA" + myOldCatalog + ")" );
    
    var myTitleCell = constructClassifiedChild( myRow, "td", "course-title-cell" );
    appendText( myTitleCell, myTitle );
    
    var myDescriptionCell = constructClassifiedChild( myRow, "td", "course-description-cell" );
    var myDescription = constructNonEmptyInternalLink( myDescriptionCell, givenCourse, "CRN", 
        lookupCourseBannerDescriptionURL( myCRN ), 
            "Lookup Course Description on Banner for MAT " + myCRN + " - " + myTitle, "banner-description-link" );
    appendText( myDescription, "Description" );
    
    var mySyllabusCell = constructClassifiedChild( myRow, "td", "course-syllabus-cell" );
    var mySyllabus = constructNonEmptyInternalLink( mySyllabusCell, givenCourse, "syllabus", 
        lookupCourseTemplateLocalURL( givenCourse ), 
            "Download Course Syllabus Template for MAT " + myCRN + " - " + myTitle, "syllabus-link" );       
    appendText( mySyllabus, "Syllabus Template" );
    
    if( myBook && myBook.Title !== "" ) appendBook( myContainer, myBook );   
    appendNonEmptyField( myContainer, givenCourse, "calc", "Calculator Policy: ", "", "calculator-policy" ); 
}

function constructNonEmptyField( givenParent, givenDataObject, givenFieldName, givenConstructor )
{
    if( givenDataObject[ givenFieldName ] && givenDataObject[ givenFieldName ] != "" )
        return givenConstructor( givenParent );      
    else return givenParent;
}
function appendNonEmptyField( givenParent, givenDataObject, givenFieldName, 
                givenPrefix, givenPostfix, givenClassName )
{
    constructNonEmptyField( givenParent, givenDataObject, givenFieldName, 
            function ()
            {
                var myField = constructClassifiedChild( givenParent, "span", givenClassName );
                
                var myFieldPrefix = constructClassifiedChild( myField, "span", givenClassName + "-prefix" );
                appendText( myFieldPrefix, givenPrefix );
                
                var myFieldValue = constructClassifiedChild( myField, "span", givenClassName + "-value" );
                appendText( myFieldValue, givenDataObject[ givenFieldName ] );
                
                var myFieldPostfix = constructClassifiedChild( myField, "span", givenClassName + "-postfix" );
                appendText( myFieldPostfix, givenPostfix );      
            }
        );
}
function constructNonEmptyInternalLink( givenParent, givenDataObject, givenFieldName, 
                                            givenLinkTarget, givenLinkAlt, givenLinkClassName )
{
    return constructNonEmptyField( givenParent, givenDataObject, givenFieldName, 
            function ()
            {
                return constructLink( givenParent, givenLinkTarget, givenLinkAlt, givenLinkClassName );                
            }
        );
}
function appendBook( givenParent, givenBook )
{
    var myTitle = givenBook[ "Title" ];
    var myPublisher = givenBook[ "Publisher" ];
    var myEdition = givenBook[ "Edition" ];
    var myURL = givenBook[ "buyURL" ];
    
    var myContainer = constructClassifiedChild( givenParent, "div", "book-container" );
    var myCaption = constructClassifiedChild( myContainer, "span", "textbook-caption" );
    appendText( myCaption, "Textbook: " );
    
    var myParent = constructNonEmptyInternalLink( myContainer, givenBook, "buyURL", 
            givenBook[ "buyURL" ], "Buy the book on Amazon.com", "book-link" );
    
    appendNonEmptyField( myParent, givenBook, "Author", "", ": ", "book-authors-container" );
    var myTitleContainer = constructClassifiedChild( myParent, "span", "book-title-container" );
    appendText( myTitleContainer, myTitle );
    
    appendText( myParent, ", " + myPublisher + ", " + myEdition + "E" );
}  
function appendCommittee( givenParent, givenCommittee )
{
    var myLink = constructClassifiedChild( givenParent, "a", "committee-anchor" );
    myLink.name = makeCommitteeID( givenCommittee );
    var myContainer = constructClassifiedChild( givenParent, "div", "committee-container" );
    
    var myTypeContainer = constructClassifiedChild( myContainer, "div", "committee-type-container" );
    var myType = givenCommittee[ "Category" ];
    appendText( myTypeContainer, myType );
    
    var myNameContainer = constructClassifiedChild( myContainer, "div", "committee-name-container" );
    var myName = givenCommittee[ "Name" ];
    appendText( myNameContainer, myName );
    
    var myChairs = givenCommittee[ "Chairs" ];
    var myCaption = ( myChairs.length > 1 ? "Co-Chairs: " : "Chair: " );  
    appendFacultyList( myContainer, myCaption, myChairs );

    var myMembers = givenCommittee[ "Members" ];
    appendFacultyList( myContainer, "Members: ", myMembers );    
}
function appendFacultyList( givenParent, givenTitle, givenList )
{
    var myContainer = constructClassifiedChild( givenParent, "div", "faculty-list-container" );
    var myTitle = constructClassifiedChild( myContainer, "span", "faculty-list-title" );
    appendText( myTitle, givenTitle );
    for( var i = 0; i < givenList.length; i ++ )
    {
        var myParent = myContainer;
        var myFacultyID = givenList[ i ];
        var myFacultyMember = firstOccurrenceInObjectArray( myFaculty, "dirID", myFacultyID );
        var myName;
        if( myFacultyMember )
        {
            myName = myFacultyMember[ "Name" ];
            myParent = constructFacultyLink( myContainer, givenList[ i ] );
        }
        else myName = myFacultyID;
        appendText( myParent, myName );
        if( i < givenList.length - 1 ) appendText( myContainer, ", " );
    }
}
function constructFacultyLink( givenParent, givenID )
{
    var myTargetURL = lookupPersonDirectoryListingURL( givenID );
    var myLink = constructLink( givenParent, myTargetURL, 
                "Open Directory Listing in a New Window", "faculty-link" );
    myLink.href="#";
    myLink.onclick = function()
        {
            window.open( myTargetURL, '_blank', 'width=460,height=350,resizable=yes' );
            return false;
        }
    return myLink;    
}
function appendFaculty( givenParent, givenFacultyMember )
{
    var myFacultyID = givenFacultyMember[ "dirID" ];
    
    var myTable = constructClassifiedChild( givenParent, "table", "faculty-container-table" );
    var myBody = constructClassifiedChild( myTable, "tbody", "faculty-container-body" );
    var myRow = constructClassifiedChild( myBody, "tr", "faculty-container-row" );
    
    var myImageCell = constructClassifiedChild( myRow, "td", "faculty-image-cell" );
    var myImage = constructClassifiedChild( myImageCell, "img", "faculty-image" );
    myImage.src = "../pictures/" + myFacultyID + ".jpg";
    myImage.alt = myImage.title = "Picture of " + givenFacultyMember[ "Name" ];

    if( givenFacultyMember[ "schedule" ] && givenFacultyMember[ "schedule" ] == "yes" )
    {       
        var myLinkContainer = constructClassifiedChild( myImageCell, "div", "faculty-schedule-container" );
        var myScheduleLink = constructLink( myLinkContainer, "schedule/2009-09/" + myFacultyID + ".html", "Faculty Teaching Schedule", "faculty-schedule-link" );
        appendText( myScheduleLink, "Fall 2009 Schedule" );
    }
    
    
    var myDirectoryCell = constructClassifiedChild( myRow, "td", "faculty-directory-cell" );
    var myFrame = constructClassifiedChild( myDirectoryCell, "iframe", "faculty-frame" );
    myFrame.src = lookupPersonDirectoryListingURL( myFacultyID );
    myFrame.name = myFacultyID;
    myFrame.id = myFacultyID;
    
    var myCommitteesCell = constructClassifiedChild( myRow, "td", "faculty-committees-cell" );
    appendCommitteeService( myCommitteesCell, myFacultyID );

    //if( givenFacultyMember[ "inOffice" ] && givenFacultyMember[ "inOffice" ] != "" )
    //    myCommitteesCell.innerHTML += "<br /><b>Spring 2009 Office Hours:</b><br />" 
    //        + givenFacultyMember[ "inOffice" ];
}  
function appendCommitteeService( givenParent, givenFacultyID )
{
    var myCount = 0;
    var myContainer = document.createElement( "div" );
    
    var myHeader = constructClassifiedChild( myContainer, "div", "faculty-committees-header" );
    appendText( myHeader, "Serves on the following " );
    var myLink = constructLink( myHeader, "committees.html", "Go to Mathematics Committees List", "internal-link" );
    appendText( myLink, "Mathematics Committees" );
            
    var myCommitteesList = constructClassifiedChild( myContainer, "ol", "faculty-committees-list" );
    for( var i = 0; i < myCommittees.length; i++ )
    {
        var myCommittee = myCommittees[ i ];
        
        var myName = myCommittee[ "Name" ];
        var myType = myCommittee[ "Category" ];
        
        var myChairs = myCommittee[ "Chairs" ];
        var myCaption = ( myChairs.length > 1 ? "(Co-Chair)" : "(Chair)" );  
        if( containsElement( givenFacultyID, myChairs ) )
        {
            var myCommitteeItem = constructClassifiedChild( myCommitteesList, "li", "faculty-committee-item" );
            var myCommitteeLink = constructCommitteeLink( myCommitteeItem, myCommittee );
            
            appendText( myCommitteeItem, ", " );
            var myBold = constructClassifiedChild( myCommitteeItem, "b", "faculty-chairmanship" );
            appendText( myBold, myCaption );

            myCount++;
        }
            
        var myMembers = myCommittee[ "Members" ];
        if( containsElement( givenFacultyID, myMembers) )
        {
            var myCommitteeItem = constructClassifiedChild( myCommitteesList, "li", "faculty-committee-item" );
            var myCommitteeLink = constructCommitteeLink( myCommitteeItem, myCommittee );

            myCount++;
        }              
    }  
    if( myCount > 0 ) givenParent.appendChild( myContainer );  
}  
function constructCommitteeLink( givenParent, givenCommittee )
{
    var myTargetURL = lookupCommitteeLocalURL( givenCommittee );
    
    var myLink = constructLink( givenParent, myTargetURL, 
        "Open the description of the " + givenCommittee[ "Name" ] + " in a new page", 
            "faculty-listing-committee-link" );
    //myLink.href = "#";

    /*
    myLink.onclick = function()
        {            
            var myWindow = window.open( myTargetURL, "_blank", "width=850,height=180,resizable=yes" );
            
            myWindow.document.write( '<html><head><title>Popup</title>' );
            myWindow.document.write( '<script type="text/javascript" src="../layout/data-committees.js"></script>' );
            myWindow.document.write( '<script type="text/javascript" src="../layout/data-courses.js"></script>' );
            myWindow.document.write( '<script type="text/javascript" src="../layout/data-faculty.js"></script>' );
            myWindow.document.write( '<script type="text/javascript" src="../layout/functions.js"></script>' );
            myWindow.document.write( '<link rel="stylesheet" type="text/css" media="all" href="../layout/styles.css"></link>' );
            myWindow.document.write('</head><body>');
            myWindow.document.close();
                
            appendCommittee( myWindow.document.body, givenCommittee );

            myWindow.window.focus();
            return false;
        }
    */
    appendText( myLink, givenCommittee[ "Name" ] );
    return myLink; 
}
function constructLink( givenParent, givenTargetURL, givenDescription, givenClassName )
{
    var myLink = constructClassifiedChild( givenParent, "a", givenClassName );
    myLink.title = givenDescription;
    myLink.href = givenTargetURL;
    return myLink;
}
function constructClassifiedChild( givenParent, givenElementName, givenClassName )
{
    var myElement = document.createElement( givenElementName );
    givenParent.appendChild( myElement );
    myElement.className = givenClassName;
    return myElement;
}
function appendText( givenParent, givenText )
{
    givenParent.appendChild( document.createTextNode( givenText ) );
}
function firstOccurrenceInObjectArray( givenArray, givenLookupField, givenLookupValue )
{
    for( var i = 0; i < givenArray.length; i++ )
    {
        if( givenArray[ i ][ givenLookupField ] == givenLookupValue ) return givenArray[ i ];
    }
    return null;
}
function appendSelectedList( givenParent, givenDataObjectArray, givenCategory, givenAppender )
{
    for( var i = 0; i < givenDataObjectArray.length; i++ )
    {
        var myDataObject = givenDataObjectArray[ i ];
        var myCategory = myDataObject[ "Category" ];
        if( myCategory == null || myCategory == givenCategory ) givenAppender( givenParent, myDataObject );
    }
}
function containsElement( givenElement, givenArray )
{
    for( var i = 0; i < givenArray.length; i++ )
    {
        if( givenArray[ i ] == givenElement ) return true;
    }
    return false;
}