function confirmLink(theLink, ConfirmMsg)
{
    // Confirmation is not required in the configuration file
    // or browser is Opera (crappy js implementation)
	// CHECKME: is this still valid for Opera ?
    if (typeof(window.opera) != 'undefined') {
        return true;
    }

    var is_confirmed = confirm(ConfirmMsg);

    return is_confirmed;
}

var checkflag = "false";
function check(clas) {
	allNodes = document.getElementsByClassName(clas);
	if (checkflag == "false") {
		for(i = 0; i < allNodes.length; i++) {
			allNodes[i].checked = true;}
			checkflag = "true";
		}
	else {
		for(i = 0; i < allNodes.length; i++) {
		allNodes[i].checked = false; }
		checkflag = "false";
	}
}