/* Scripts made by Jean-Baptiste Kempf jb _AT_ via.ecp.fr */
function switchLang(strToLang, strFromLang)
{
    var arr_temp = new Array();
    arr_temp = getElementsByClass(document,strFromLang,'*');
    for (i=0; i < arr_temp.length; i++) {
        arr_temp[i].style.display = 'none';
    }
    arr_temp = getElementsByClass(document,strToLang,'*');
    for (i=0; i < arr_temp.length; i++) {
        arr_temp[i].style.display = 'block';
    }

}


function getElementsByClass(node,searchClass,tag) {
    var classElements = new Array();
    var els = node.getElementsByTagName(tag); // use "*" for all elements
    var elsLen = els.length;
    var pattern = new RegExp("\\b"+searchClass+"\\b");
    for (i = 0, j = 0; i < elsLen; i++) {
         if ( pattern.test(els[i].className) ) {
              classElements[j] = els[i];
               j++;
                }
    }
    return classElements;
}