var selectedAnimals = "";
	var listOfSelectedAnimals="";
	
	function checkSelectedAnimals() {
	    
	    //pobieram wszystkie checkboxy;   
	    var pies = document.getElementById("pies");
	    var gryzon = document.getElementById("gryzon");
	    var rybki = document.getElementById("rybki");
	    var plaz = document.getElementById("plaz");
	    var kot = document.getElementById("kot");
	    var ptak = document.getElementById("ptak");
	    var gad = document.getElementById("gad");
	    var owad = document.getElementById("owad");
	    
	    var checkboxTab = new Array(pies, gryzon, rybki, plaz, kot, ptak, gad, owad);		    
	    		    
	    selectedAnimals = ",";
	    listOfSelectedAnimals="";
		for (var i = 0; i < checkboxTab.length; i++) {
		    if (checkboxTab[i].checked == true) {
		    	selectedAnimals = selectedAnimals + checkboxTab[i].id + ",";
		    	if(listOfSelectedAnimals!=null && listOfSelectedAnimals!=''){
		    		listOfSelectedAnimals=listOfSelectedAnimals+", ";
		    	}
		    	if(checkboxTab[i].id=='pies'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Pies";
		    	}else if(checkboxTab[i].id=='gryzon'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Gryzoń";		    	
		    	}else if(checkboxTab[i].id=='rybki'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Rybki";
		    	}else if(checkboxTab[i].id=='plaz'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Płaz";
		    	}else if(checkboxTab[i].id=='kot'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Kot";
		    	}else if(checkboxTab[i].id=='ptak'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Ptak";
		    	}else if(checkboxTab[i].id=='gad'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Gad";
		    	}else if(checkboxTab[i].id=='owad'){
		    		listOfSelectedAnimals = listOfSelectedAnimals + "Owad";
		    	}
		    }
		}
	
	}
	
	function changeContent(id,shtml) {
if (document.getElementById || document.all) {
var el = document.getElementById? document.getElementById(id): document.all[id];
if (el && typeof el.innerHTML != "undefined") el.innerHTML = shtml;
}
}
	
	function returnSelectedAnimals(){		
		checkSelectedAnimals();		
		changeContent('animals_sp',listOfSelectedAnimals);
		document.getElementById('animalsStr').value=listOfSelectedAnimals;
	}
	
	
	function selectAnimals(animals) {
		if(listOfSelectedAnimals!=null && listOfSelectedAnimals!=''){	   
	    animals=listOfSelectedAnimals;
		}
	    
	    //pobieram wszystkie checkboxy;   
	    var pies = document.getElementById("pies");
	    var gryzon = document.getElementById("gryzon");
	    var rybki = document.getElementById("rybki");
	    var plaz = document.getElementById("plaz");
	    var kot = document.getElementById("kot");
	    var ptak = document.getElementById("ptak");
	    var gad = document.getElementById("gad");
	    var owad = document.getElementById("owad");
	    
	    var checkboxTab = new Array(pies, gryzon, rybki, plaz, kot, ptak, gad, owad);
	    
	    var re = new RegExp("");
	    var animal = "";			    
		for (var i = 0; i < checkboxTab.length; ++i) {
			if(checkboxTab[i].id=='pies'){
				animal=' Pies';
			}else if(checkboxTab[i].id=='gryzon'){
				animal=' Gryzoń';
			}else if(checkboxTab[i].id=='rybki'){
				animal=' Rybki';
			}else if(checkboxTab[i].id=='plaz'){
				animal=' Płaz';
			}else if(checkboxTab[i].id=='kot'){
				animal=' Kot';
			}else if(checkboxTab[i].id=='ptak'){
				animal=' Ptak';
			}else if(checkboxTab[i].id=='gad'){
				animal=' Gad';
			}else if(checkboxTab[i].id=='owad'){
				animal=' Owad';
			}
			
			re = new RegExp(","  + animal + ",");
			
		    if (re.test(animals)) {
		       checkboxTab[i].checked=true;
		    }
		
	    }
	}