var nbnBaseVisibility = "visibility";

function selectTab(tabID) {
  $('#' + tabID).addClass('selected');
}

function addClassToElement(elementName, className) {
  $(elementName).addClass(className);
}

function removeClassFromElement(elementName, className) {
  $(elementName).removeClass(className);
}

function removeClassFromChildrenOfElement(elementName, className) {
  $(elementName).children().removeClass(className);
}

function setVisible(className) {
  $(className).css(nbnBaseVisibility, "visible");
}

function setHidden(className) {
  $(className).css(nbnBaseVisibility, "hidden");
}

/* GENERAL COOKIE FUNCTIONS */
/****************************/
//
//function setCookie(name, value, expires, path, domain, secure) {
//  // set time, it's in milliseconds
//  var today = new Date();
//  today.setTime(today.getTime());
//
//  /*
//   if the expires variable is set, make the correct
//   expires time, the current script below will set
//   it for x number of days, to make it for hours,
//   delete * 24, for minutes, delete * 60 * 24
//   */
//  if (expires) {
//    expires = expires * 1000 * 60 * 60 * 24;
//  }
//  var expires_date = new Date(today.getTime() + (expires));
//
//  document.cookie = name + "=" + escape(value) +
//          ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
//          ( ( path ) ? ";path=" + path : "" ) +
//          ( ( domain ) ? ";domain=" + domain : "" ) +
//          ( ( secure ) ? ";secure" : "" );
//}
//
//function getCookie(check_name) {
//  // first we'll split this cookie up into name/value pairs
//  // note: document.cookie only returns name=value, not the other components
//  var a_all_cookies = document.cookie.split(';');
//  var a_temp_cookie = '';
//  var cookie_name = '';
//  var cookie_value = '';
//  var b_cookie_found = false; // set boolean t/f default f
//
//  for (i = 0; i < a_all_cookies.length; i++) {
//    // now we'll split apart each name=value pair
//    a_temp_cookie = a_all_cookies[i].split('=');
//
//
//    // and trim left/right whitespace while we're at it
//    cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
//
//    // if the extracted name matches passed check_name
//    if (cookie_name == check_name) {
//      b_cookie_found = true;
//      // we need to handle case where cookie has no value but exists (no = sign, that is):
//      if (a_temp_cookie.length > 1) {
//        cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
//      }
//      // note that in cases where cookie is initialized but no value, null is returned
//      return cookie_value;
//      break;
//    }
//    a_temp_cookie = null;
//    cookie_name = '';
//  }
//  if (!b_cookie_found) {
//    return null;
//  }
//}

/* Re-size font */
function reduceTextSize() {
    resize('smallerFont');
}
function enlargeTextSize() {
    resize('largerFont');
}

function resize(className) {
    var container = $(".maincontent .pl10"),
        currentSizeClass;
    if ( !container.length ) {
        container = $(".maincontent .grid_16"); // for e.g. Event pages
    }
    if ( !container.length ) {
        container = $(".maincontent .grid_24"); // for e.g. Tender pages
    }

    if ( container.length ) {
        if ( container.hasClass('smallerFont') ) currentSizeClass = 'smallerFont';
        if ( container.hasClass('largerFont') ) currentSizeClass = 'largerFont';

        if ( (currentSizeClass != className) && container.hasClass(currentSizeClass) ) {
            container.removeClass(currentSizeClass);
            return;
        }
        if ( !container.hasClass(className) ) {
            container.addClass(className);
        }
    }
}

function printArticle() {
	window.print();
}

function goTo(url) {
	if (window.location.href.indexOf(url) == -1) {
	 	window.location.href = url;
	}
}