var marked_row = new Array;

/**
 * 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;
    // 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

    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0)
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }

    // 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;
            // Garvin: deactivated onclick marking of the checkbox because it's also executed
            // when an action (like edit/delete) on a single item is performed. Then the checkbox
            // would get deactived, even though we need it activated. Maybe there is a way
            // to detect if the row was clicked, and not an item therein...
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = 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;
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = 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;
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = false;
        }
    } // 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

/* ugly bb code stuff */
function x () {    return;  }  
function ac_smilie(thesmile) {    
    document.addcomment.comment.value += " "+thesmile+" ";    
    document.addcomment.comment.focus();  
}  
function validate(){    
    if (document.addcomment.comment.value==''){      
        alert("Bitte schreibe mindestens den Kommentar.");    
    }
    else {      
        document.addcomment.action = 'index.php';      
        document.addcomment.submit();    
    }  
}

function DoPrompt(action) {  
    var revisedMessage;  
    var currentMessage = document.addcomment.comment.value;  
    if (action == "url") {    
        var thisURL = prompt("Enter the URL for the link you want to add.", "http://");    
        var thisTitle = prompt("Enter the web site title", thisURL);    
        var urlBBCode = "[url="+thisURL+"]"+thisTitle+"[/url]";    
        revisedMessage = currentMessage+urlBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "email") {    
        var thisEmail = prompt("Enter the email address you want to add.", "");    
        var emailBBCode = "[email]"+thisEmail+"[/email]";    
        revisedMessage = currentMessage+emailBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    return;  
    }  
    if (action == "bold") {    
        var thisBold = prompt("Enter the text that you want to make bold.", "");    
        var boldBBCode = "[b]"+thisBold+"[/b]";    
        revisedMessage = currentMessage+boldBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "italic") {    
        var thisItal = prompt("Enter the text that you want to make italic.", "");    
        var italBBCode = "[i]"+thisItal+"[/i]";   
        revisedMessage = currentMessage+italBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "underline") {    
        var thisUndl = prompt("Enter the text that you want to be undelined.", "");    
        var undlBBCode = "[u]"+thisUndl+"[/u]";    
        revisedMessage = currentMessage+undlBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "image") {    
        var thisImage = prompt("Enter the URL for the image you want to display.", "http://");    
        var imageBBCode = "[img]"+thisImage+"[/img]";    
        revisedMessage = currentMessage+imageBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "quote") {    
        var quoteBBCode = "[quote]  [/quote]";    
        revisedMessage = currentMessage+quoteBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "code") {    
        var codeBBCode = "[code]  [/code]";    
        revisedMessage = currentMessage+codeBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "listopen") {    
        var liststartBBCode = "[list]";    
        revisedMessage = currentMessage+liststartBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "listclose") {    
        var listendBBCode = "[/list]";    
        revisedMessage = currentMessage+listendBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }  
    if (action == "listitem") {    
        var thisItem = prompt("Enter the new list item. Note that each list group must be preceeded by a List Close and must be ended with List Close.", "");    
        var itemBBCode = "[*]"+thisItem;    revisedMessage = currentMessage+itemBBCode;    
        document.addcomment.comment.value=revisedMessage;    
        document.addcomment.comment.focus();    
        return;  
    }
}