$().ready(function()
		{
			$("ul#nav li a").click(function()
			{
				
				$("ul#nav .active").removeClass("active");
				$(this).animate({opacity: "0"}, 0).addClass("active");
				$(this).animate({opacity: "1"}, 800).addClass("active");
				
				var classname = $("ul#nav .active").parent().attr("class");
				$("#window2 div.te:visible").hide();
				$("#window2 div#"+classname).show();
 
				return false;
			});
			
			$("#nextpage").click(function()
			{
				$("#menu-panels .active").removeClass("active");
				var classname = $(this).attr("class");
				
				$("#menu-panels li a."+classname).parent().addClass("active");
				
					
				$("#contentPanel div.text:visible").hide();
				$("#contentPanel div#"+classname).show();
			});
			$("#nextpage2").click(function()
			{
				$("#menu-panels .active").removeClass("active");
				var classname = $(this).attr("class");
				
				$("#menu-panels li a."+classname).parent().addClass("active");
				
					
				$("#contentPanel div.text:visible").hide();
				$("#contentPanel div#"+classname).show();
			});
		});

 if(window.XMLHttpRequest)
	 {       
		 OAJAX = new XMLHttpRequest(); 
	 }  
 		else if (window.ActiveXObject) 
	 {        
 		OAJAX = new ActiveXObject("Microsoft.XMLHTTP"); 
 	}    
	
	
 function laduj_strone(strona)
 {      
 	
 		var tresc=document.getElementById('contents'); 
		
		//var tresc_id = document.getElementById('tresc_id'); 
		
		OAJAX.open("GET", 'get.php?get='+strona);        
		
		OAJAX.onreadystatechange = function()      
		 {               
				 if (OAJAX.readyState == 4)          
					{         
						$('#contents').html(OAJAX.responseText);
 						//tresc.innerHTML=OAJAX.responseText;                     
					 	window.location.href='#'+strona; //zmieniamy id # strony         
 				 	}                
				 if (OAJAX.readyState != 4)           
					{                        
								 tresc.innerHTML='<div id="londing">Loading...</div>'; 
							 //tresc_id.name=strona;                        
					}       
 		}        
		
		 OAJAX.send(null);    
			if(OAJAX)
				{       
					return false;       
				}
			else
				{      
					return true;      
				} 
}