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 getClientWidth() {
    return f_filterResults (
        window.innerWidth ? window.innerWidth : 0,
        document.documentElement ? document.documentElement.clientWidth : 0,
        document.body ? document.body.clientWidth : 0
    );
}

function getClientHeight() {
    return f_filterResults (
        window.innerHeight ? window.innerHeight : 0,
        document.documentElement ? document.documentElement.clientHeight : 0,
        document.body ? document.body.clientHeight : 0
    );
}

function f_filterResults(n_win, n_docel, n_body) {
    var n_result = n_win ? n_win : 0;
    if (n_docel && (!n_result || (n_result > n_docel)))
        n_result = n_docel;
    return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}  

function trim(str) {    
    return str.replace(/^\s+|\s+$/g, '') ;
}

function goToTop() {    
    window.scrollTo(0,0);
}

function goToBookmark(name) {    
    location.hash = name;
}

function openWindow(url)
{
    window.open (url, "mywindow"); 
}

function toggleDisplay(id) {
    var input = document.getElementById(id);
    if(input.style.display != 'block')
        input.style.display='block';
    else
        input.style.display='none';
}

var TimeOut         = 100;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

function mopen(n) {
  var l  = document.getElementById("menu"+n);
  var mm = document.getElementById("mmenu"+n);
	
  if(l) {
    mcancelclosetime();
    l.style.display='block';
    if(currentLayer && (currentLayerNum != n))
      currentLayer.style.display='none';
    currentLayer = l;
    currentitem = mm;
    currentLayerNum = n;			
  } else if(currentLayer) {
    currentLayer.style.display='none';
    currentLayerNum = 0;
    currentitem = null;
    currentLayer = null;
 	}
}

function mclosetime() {
  closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime() {
  if(closeTimer) {
    window.clearTimeout(closeTimer);
    closeTimer = null;
  }
}

function mclose() {
      if(currentLayer && noClose!=1)   {
        currentLayer.style.display='none';
        currentLayerNum = 0;
        currentLayer = null;
        currentitem = null;
      } 
      else {
        noClose = 0;
      }
      currentLayer = null;
      currentitem = null;
  
//  }
}

document.onclick = mclose;