/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object   the table row
 * @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
 * 
 * onmouseover="setPointer(this, 'over', '#F8F8F8', '#CCCCCC', '#CCCCCC')"
 */
function setPointer(theRow, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;
    
    theDefaultColor = 'white';
    thePointerColor = 'white';

    // 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;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()) {
        if (theAction == 'out') {
            newColor = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor = theMarkColor;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor = (thePointerColor != '')
                     ? thePointerColor
                     : theDefaultColor;
        }
    } // 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



// Window Open

function toc(url) {
	fenetre = window.open(url,"toc", "width=450,height=450,scrollbars=yes");
	onLoad='self.focus()';
}



function formHandler(form){
var URL = document.openlinks.quicklinks.options[document.openlinks.quicklinks.selectedIndex].value;
window.location.href = URL;
}

function sendSearchString(form){
var URL = 'search.php?' + document.search.param.options[document.search.param.selectedIndex].value + '=' + document.search.searchbox.value;
window.location = URL;
}



function checkFields(form,errorMessage){
	
    var verify = false; 
    for (var i=0; i < form.length ; i++){ 
        if (form.elements[i].type == "text"){ 
            if (form.elements[i].value != ""){
            verify = true;
            } 
        } 
    } 
    if (!verify){ 
		alert(errorMessage); 
    }
    return verify;

}