/**
 * This array is used to remember mark status of rows in browse mode
 */
var marked_row = new Array;


/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells=null;
    theDefaultColor = "#FFFFFF";
    theMarkColor = "#E4F1E9";
    currentColor = "#E4F1E9";

    if ( (thePointerColor == '' && theMarkColor == '') || typeof(theRow.style) == 'undefined')
        return false;
    if (typeof(document.getElementsByTagName) != 'undefined')
        theCells = theRow.getElementsByTagName('td');
    else if (typeof(theRow.cells) != 'undefined')
        theCells = theRow.cells;
    else return false;

    var rowCellsCnt  = theCells.length;

    if (theAction == 'over' ) {
        for (c = 0; c < rowCellsCnt; c++)
          	theCells[c].style.backgroundColor = theMarkColor;
    }
    if (theAction == 'click' ) {
        for (c = 0; c < rowCellsCnt; c++)
           	theCells[c].style.backgroundColor = theMarkColor;
    }
    if (theAction == 'out' ) {
        for (c = 0; c < rowCellsCnt; c++)
           	theCells[c].style.backgroundColor = theDefaultColor;
    }
            
    return true;
/*
    var theCells = null;
    
    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ( (thePointerColor == '' && theMarkColor == '') || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;

    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if ( typeof(window.opera) == 'undefined' && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 4. Defines the new color
    // 4.1 Current color is the default one

    if (currentColor == '' || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
                // alert(newColor);
                // TTO hack to remove colors to keep bgimages visible (parameter null)
                if (newColor == 'null') {
                	theCells[c].removeAttribute("bgcolor","false");
                }
                // end hack
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
               // alert(newColor);
               // TTO hack to remove colors to keep bgimages visible (parameter null)
                if (newColor == 'null') {
                	theCells[c].style.backgroundColor = false;
               //theCells[c].style.removeAttribute("backgroundColor","false");
               }
                // end hack
            }
        }
    } // end 5

    return true;
*/
} // end of the 'setPointer()' function