/** * Sets/unsets the pointer and marker in browse mode * * @param object the table row * @param integer 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; // 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; var marked_row = new Array(); // 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; } } // 4.1.2 Current color is the pointer one else if (currentColor thePointerColor.toLowerCase() || 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 theMarkColor.toLowerCase() ||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); } // end for } // 5.2 ... with other browsers else { for (c = 0; c < rowCellsCnt; c++) { theCells[c].style.backgroundColor = newColor; } } } // end 5 return true; } // end of the 'setPointer()' function