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);
}
function detect(){
if(navigator.cookieEnabled) return true;
return false;
}

function TabbedPane(){
    this.tabs = new Array();
    this.menus = new Array();
    this.onBoardTabs = new Array();
    this.tabsCount=0;
    this.onBoardTabsCount=0;

}

TabbedPane.prototype.addTab = function(tab,menu){
    this.tabs[this.tabsCount]=tab;
    this.menus[this.tabsCount]=menu;
    this.tabsCount++;
}
TabbedPane.prototype.addOnBoardTab = function(tab){
    this.onBoardTabs[this.onBoardTabsCount]=tab;
    this.onBoardTabsCount++;
}
TabbedPane.prototype.selectTab = function(index){
    for(var i=0;i<this.tabsCount;i++){
      document.getElementById(this.tabs[i]).style.display="none";
      document.getElementById(this.menus[i]).style.background="url(images/menubutt.png)";
    }
    for(var i=0;i<this.onBoardTabsCount;i++){
      document.getElementById(this.onBoardTabs[i]).style.display="none";
    }
    document.getElementById(this.tabs[index]).style.display="inline";
    document.getElementById(this.menus[index]).style.background="url(images/menubutta.png)";
    document.cookie = "vybranatab="+index+"; path=/";
    return false;
}
TabbedPane.prototype.selectOnBoardTab = function(index){
    for(var i=0;i<this.tabsCount;i++){
      document.getElementById(this.tabs[i]).style.display="none";
      document.getElementById(this.menus[i]).style.background="url(images/menubutt.png)";
    }
    for(var i=0;i<this.onBoardTabsCount;i++){
      document.getElementById(this.onBoardTabs[i]).style.display="none";
    }
    document.getElementById(this.onBoardTabs[index]).style.display="inline";
    document.cookie = "vybranatab="+(12+index)+"; path=/";
     return false;
}

TabbedPane.prototype.selectTabFromCookie = function(){
    var a
    a = readCookie('vybranatab');
    var number = parseInt(a);
    if(number){
        if(number<12) this.selectTab(number); else this.selectOnBoardTab(number-12);
    }else{
        this.selectTab(0);
    }
    
}
TabbedPane.prototype.selectTabFromURL = function(getparam){ 
    if(getparam<12) this.selectTab(getparam); else this.selectOnBoardTab(getparam-12);  
}				

var panel = new TabbedPane();
/* pak pomoci phpka vypisu javascriptik kterej mi nasazi pocet panelu a menupolozek*/
panel.addTab("panelcontent1","menupol1");
panel.addTab("panelcontent2","menupol2");
panel.addTab("panelcontent3","menupol3");
panel.addTab("panelcontent4","menupol4"); 
panel.addTab("panelcontent5","menupol5");
panel.addTab("panelcontent6","menupol6");
panel.addTab("panelcontent7","menupol7");

panel.addOnBoardTab("tabnabidka");
panel.addOnBoardTab("tabpoptavka");