var page = '';

function initPage(pg) {
	page = pg;
	if (page == 'index') moveIndexTs();
}

var t1_left = 250;
var t2_left = 450;
var bd_left = 0;
var merge = true;
var tm = 150;
function moveIndexTs() {
	var t1 = document.getElementById('index_t1');
	var t2 = document.getElementById('index_t2');
	//var bd = document.getElementById('bd');

	/*
	if (bd && bd_left > -20) {
		bd_left = bd_left - 1;
		bd.style.backgroundPosition = bd_left + 'px 0px';
	}
	else if (t1 && t2) {
	*/
	if (t1 && t2) {
		tm = 120;
		if (t1_left+30 > t2_left) merge = false;
		if (t1_left+200 < t2_left) merge = true;
		if (merge) {
			t1_left = t1_left + 1;
			t2_left = t2_left - 1;
		}
		else {
			t1_left = t1_left - 1;
			t2_left = t2_left + 1;
		}
		t1.style.left = t1_left + 'px';
		t2.style.left = t2_left + 'px';

	}
	setTimeout('moveIndexTs()',tm);
}

var a = '@';
function email(name,d) {
	var add = name + a + d;
	document.write('<a href="mailto:'+add+'">'+add+'</a>');
}

function pop(url) {
	var win = window.open(url,'popWin','');
	if (!win) return true;
	win.focus();
	return false;
}

function checkLoginField() {
	var elem = document.getElementById('username');
	if (elem && elem.value != '') return true;

	alert('Syötä tunnuksesi ensin');
	return false;
}

function setStarttime() {
	var elem = document.getElementById('starttime');
	if (elem) {
		elem.value = new Date().getTime()/1000;
	}
}
function writeDuration(starttime,filesize) {
	var endtime = new Date().getTime()/1000;
	document.write('<span style="color:#666666;font-weight:normal;font-size:80%;">(Lataukseen kului ');
	document.write(Math.round((endtime-starttime)*100)/100);
	document.write(' sekuntia. Tiedoston koko: '+filesize+' kt)</span>');
}

function checkOrderFormFields() {
	var error = 'Tarkista:\n';
	var elem = document.getElementById('name');
	if (!elem || elem.value=='') error += '-nimi\n';
	elem = document.getElementById('address');
	if (!elem || elem.value=='') error += '-osoite\n';
	elem = document.getElementById('postcode');
	if (!elem || elem.value=='') error += '-postinumero\n';
	elem = document.getElementById('city');
	if (!elem || elem.value=='') error += '-postitoimipaikka\n';

	if (error != 'Tarkista:\n') {
		alert (error);
		return false;
	}
	return true;
}