// JavaScript Document
$(document).ready(function() {

	var numer = 1;
	document.getElementById("t" + numer).className = 't1_current';
	
	$("#t1").click(function () {
	if(numer != 1)
	{
		
		document.getElementById("t1").className = 't1_current';
	    document.getElementById("t" + numer).className = 't' + numer;
		document.getElementById("part" + numer).style.display = 'none';
		document.getElementById("part1").style.display = 'block';
	    numer =1;
	}
	});
	$("#t2").click(function () {
	
	if(numer != 2)
	{
		
	    document.getElementById("t2").className = 't2_current';
	    document.getElementById("t" + numer).className = 't' + numer;
		document.getElementById("part" + numer).style.display = 'none';
		document.getElementById("part2").style.display = 'block';
	    numer =2;
	}
	});
	
	$("#t3").click(function () {
	if(numer != 3)
	{
		
		document.getElementById("t3").className = 't3_current';
	    document.getElementById("t" + numer).className = 't' + numer;
		document.getElementById("part" + numer).style.display = 'none';
		document.getElementById("part3").style.display = 'block';
	    numer =3;
	}
	});

});