///////////////////////////////////////////////////////////////////////
//redirection
function checkForRedirect() {
  var nodeRedir = document.getElementById("redirect");
  if (nodeRedir != null) {
      window.location.href = nodeRedir.innerText;
  }
}

///////////////////////////////////////////////////////////////////////
//get url parameter by name
function getURLParameter(sParamName) {
    //var sSearch = location.search.; 

    var strReturn = "";
    var strHref = window.location.href;

    if (strHref.indexOf("?") > -1) {
        var strQueryString = strHref.substr(strHref.indexOf("?"));
        var aQueryString = strQueryString.split("&");

        for (var iParam = 0; iParam < aQueryString.length; iParam++) {
            if (aQueryString[iParam].indexOf(sParamName + "=") > -1) {
                var aParam = aQueryString[iParam].split("=");
                strReturn = aParam[1];
                break;
            }
        }
    }
    return unescape(strReturn);
}
        
function getURLParameter_OFFLINE(sParamName){
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]"); 
  var regexS = "[\\?&]"+sParamName+"=([^&#]*)"; 
  var regex = new RegExp( regexS );  
  var results = regex.exec( window.location.href );  
  if( results == null )    
    return "";  
  else
    return results[1];}

///////////////////////////////////////////////////////////////////////
// cookie functions http://www.quirksmode.org/js/cookies.html
function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else var expires = "";
    document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name, "", -1);
}

///////////////////////////////////////////////////////////////////////
//stylesheets
function switchStylesheet(sStylesheet) {
    $('link[@rel*=style][title]').each(function(i) {
        this.disabled = true;
        if (this.getAttribute('title') == sStylesheet) this.disabled = false;
    });
    createCookie('style', sStylesheet, 365);
}