function chimg(id) {
	var img = document.getElementById("tr_img");
    var ffrom = document.getElementById("ffrom");
    var addr = document.getElementById("addr");
    var fnum = document.getElementById("fnum");
    var date_r = document.getElementById("date_r");
    var time_r = document.getElementById("time_r");


	if(id == "1") {
       img.src = "images/airT.png";
       fnum.className = "dspy"; ffrom.className = "dspy"; if(addr.value == '') addr.value = "Destination address. i.e. Train Station; Hotel Lietuva";
       time_r.innerHTML = "arrival"; date_r.innerHTML = "arrival";
	}else{
	   img.src = "images/Tair.png";
	   fnum.className = "dspn"; ffrom.className = "dspn";  addr.value = "";
	   time_r.innerHTML = "departure from town"; date_r.innerHTML = "departure from town";
	}
   return false;
}
function ch_price() {
	var pr_per_v = 20;
	var nump = document.getElementById("nump");
	var selected = nump.options[nump.selectedIndex];
	var price = document.getElementById("price");
	var vcount = 1;
	var text = "";

	if(selected.value >= 5) {
		vcount = 2;
	}
	if(selected.value > 1) {
		text = " per person.";
	}
    if(price)
		price.innerHTML = Math.round((vcount * pr_per_v / selected.value)*100)/100 + " EUR or " + Math.round((3.5 * vcount * pr_per_v / selected.value)*100)/100 + " LTL" + text;
   return false;
}
function check() {
	var r1 = document.getElementById("r1");
	var r2 = document.getElementById("r2");

	if(r1.checked) {
		chimg(1);
	}else{
		chimg(2);
	}

	ch_price();
  return false;
}
var a=new Array();

function erase(id) {
	var inp = document.getElementById(id);
    var re1 = new RegExp('Destination address');
    var re2 = new RegExp('Your First name');

   if((a[id] == void(0)) && (inp.value.match(re1) || inp.value.match(re2))){
    	a[id] = inp.value;
    	inp.value = "";

    }
	return false;
}
function banMove()
{

w=document.body.clientWidth;
h=document.body.clientHeight;

banH=100;
banW=400;

scrollA=document.body.scrollTop;
scrollB=document.body.scrollLeft;
if(document.getElementById('ban')) {
document.getElementById('ban').style.top=scrollA+((h/2)-(banH/2))
document.getElementById('ban').style.left=scrollB+((w/2)-(banW/2))
}
}