window.onload = BodyIsLoaded;

function $(id) {
	return document.getElementById(id);
}

function BodyIsLoaded() {
	$('tab1').onclick = ShowKasko;
	$('tab2').onclick = ShowOsago;
}

function ShowKasko() {
	$('tab1').className = "tab selected";
	$('tab2').className = "tab last";
	$('tab1-form').style.display = "block";
	$('tab2-form').style.display = "none";
	return false;
}
function ShowOsago() {
	$('tab1').className = "tab";
	$('tab2').className = "tab last selected";
	$('tab1-form').style.display = "none";
	$('tab2-form').style.display = "block";
	return false;
}