<script type="text/javascript">
function setCookie(name, value, days) {
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
var expires = "; expires=" + date.toGMTString();
}
else var expires = "";
document.cookie = name + "=" + value + expires + "; path=/";
}
function getCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
function eraseCookie(name) {
setCookie(name, "", -1);
};
</script>

<style type="text/css">.view_1{display:none}.type_1{display:none}</style>

<script type="text/javascript">  
function iseed1() {  
$('.view_2').fadeOut(500, function(){$('.view_1').fadeIn(500)});  
$('.type_2').fadeOut(500, function(){$('.type_1').fadeIn(500)});  
setCookie('presee', '0', 1)}  
function iseed2() {  
$('.view_1').fadeOut(500, function(){$('.view_2').fadeIn(500)});  
$('.type_1').fadeOut(500, function(){$('.type_2').fadeIn(500)});  
setCookie('presee', '1', 1)}  
</script>

<div class="view_1" onclick="iseed2()"><a href="javascript:;">Вид первый</a></div>   
<div class="view_2" onclick="iseed1()"><a href="javascript:;">Вид второй</a></div>

<div class="type_1">Первый блок</div>
<div class="type_2">Второй блок</div>