function getSpridaPage(pId) {
	var postBody = 'doAJAX=getPage&pId='+pId;
	new Ajax.Request('/admin/ajax/ajax_page.php', {method:'post', postBody:postBody, onSuccess:recivePage});	
}
function recivePage(t) {
	$('mainpage_cont').update(t.responseText);	
}