//-------------------------zmienne--------------------------------------------------------
var rat1 = 'carriage1';
var rat2 = 'carriage2';
var rat3 = 'carriage3';
var t;
var w_1=780;
var w_2=140;
var w_3=440;
//-------------------------dodanie-event'ow-----------------------------------------------
function adds(){
	document.getElementById('a_limenu_1').setAttribute("onclick",'wjazd(rat1)');
	document.getElementById('a_limenu_2').setAttribute("onclick",'wjazd(rat2)');
	document.getElementById('a_limenu_3').setAttribute("onclick",'wjazd(rat3)');
	wjazd(rat3);
	}
//----------------------------------------------------------------------------------------
function wjazd(i){
	if(i == rat1){
		wjazd1();
		wyjazd2();
		wyjazd3();
		}
	if(i == rat2){
		wjazd2();
		wyjazd1();
		wyjazd3();
		}
	if(i == rat3){
		wjazd3();
		wyjazd1()
		;wyjazd2();}
	}
//-------------------------wjazd----------------------------------------------------------
function wjazd1(){
	document.getElementById('carriage1').style.marginTop="-"+w_1+"px";
	if(w_1 > 0){
		w_1 = w_1 - 10;
		setTimeout('wjazd1()', 10);
		}
	}
function wjazd2(){
	document.getElementById('carriage2').style.marginTop="-"+w_2+"px";
	if(w_2 > 0){
		w_2 = w_2 - 10;
		setTimeout('wjazd2()', 10);
		}
	}
function wjazd3(){
	document.getElementById('carriage3').style.marginTop="-"+w_3+"px";
	if(w_3 > 0){
		w_3 = w_3 - 10;
		setTimeout('wjazd3()', 10);
		}
	}
//-------------------------wyjazd--------------------------------------------------------
function wyjazd1(){
	document.getElementById('carriage1').style.marginTop="-"+w_1+"px";
	if(w_1 < 780){
		w_1 = w_1 + 20;
		setTimeout('wyjazd1()', 10);
		}
	}
function wyjazd2(){
	document.getElementById('carriage2').style.marginTop="-"+w_2+"px";
	if(w_2 < 140){
		w_2 = w_2 + 20;
		setTimeout('wyjazd2()', 10);
		}
	}
function wyjazd3(){
	document.getElementById('carriage3').style.marginTop="-"+w_3+"px";
	if(w_3 < 440){
		w_3 = w_3 + 20;
		setTimeout('wyjazd3()', 10);
		}
	}