function podmien_tlo(dzial)
 {
	 switch (dzial)
		
		{
		case 1 : var div = document.getElementById("dzial1");	
				 div.style.backgroundImage = "url(grafika/layout/dworek-on.png)";
			
				
				 break;
				 
		case 2 : var div = document.getElementById("dzial2");
				 div.style.backgroundImage = "url(grafika/layout/pokoje-on.png)";
		 		
			    
		 break;

		case 3 : var div = document.getElementById("dzial3");
  				 div.style.backgroundImage = "url(grafika/layout/atrakcje-on.png)";
		        
			     
		 break;

		case 4 : var div = document.getElementById("dzial4");
				 div.style.backgroundImage = "url(grafika/layout/galeria-on.png)";
		        
			     
		 break;
		case 5 : var div = document.getElementById("dzial5");
				 div.style.backgroundImage = "url(grafika/layout/kontakt-on.png)";
				
				
		 break;
		}
 
 }
 
 function przywroc_tlo(dzial)
 {
	 switch (dzial)
		
		{
		case 1 : var div = document.getElementById("dzial1");	
				 
				div.style.backgroundImage = "none";

				
				 break;
				 
		case 2 : var div = document.getElementById("dzial2");
		div.style.backgroundImage = "none";			    
		 break;

		case 3 : var div = document.getElementById("dzial3");
		div.style.backgroundImage = "none";		     
		 break;

		case 4 : var div = document.getElementById("dzial4");
		div.style.backgroundImage = "none";     
		 break;
		case 5 : var div = document.getElementById("dzial5");
		div.style.backgroundImage = "none";				
		 break;
		}
	
	
 
 }