function dropdown_link(div) {
	if (!document.getElementById(div)) return false;
	var select = document.getElementById(div).getElementsByTagName('select')[0];
	select.onchange = function() {

		var selected = this[this.selectedIndex];
		if (selected != 'select') window.location = selected.value;
	}
}

function search_switch() {
	if (!document.getElementById('sitesearch')) return false;
	var searchform = document.getElementById('sitesearch');

	var searchby_all = document.getElementById('keywords');
	var searchby_all_option = document.getElementById('searchby-all');

	var searchby_author = document.getElementById('membername');
	var searchby_author_option = document.getElementById('searchby-author');
	
	
	

	
	var inputs = searchform.getElementsByTagName('input');
	for (i=0; i<inputs.length; i++) {
		if ((inputs[i].name) == 'RP') {
			window.resultspage = inputs[i];
		} else if ((inputs[i].name) == 'NRP') {
			window.noresultspage = inputs[i];
		}
	}

	var resultspageOriginal = resultspage.value;
	var noresultspageOriginal = noresultspage.value;

	searchby_all_option.onclick = function() {
		searchby_author.style.display = 'none';
		searchby_all.value = searchby_author.value;
		
		searchby_author.value = '';
		searchby_all.style.display = 'inline';
		
		resultspage.value = resultspageOriginal;
		noresultspage.value = noresultspageOriginal;
		createCookie('searchby_selected', 'all');
	}

	searchby_author_option.onclick = function() {
		searchby_all.style.display = 'none';
		searchby_author.value = searchby_all.value;
		
		searchby_all.value = '';
		searchby_author.style.display = 'inline';
		resultspage.value = resultspageOriginal + '_author';
		noresultspage.value = noresultspageOriginal + '_author';
		createCookie('searchby_selected', 'author');
	}
	
	if (readCookie('searchby_selected')) {
		
		if (readCookie('searchby_selected') == 'author') {
			searchby_author_option.checked = 'checked';
			searchby_all.style.display = 'none';
			searchby_author.value = searchby_all.value;

			searchby_all.value = '';
			searchby_author.style.display = 'inline';
			resultspage.value = resultspageOriginal + '_author';
			noresultspage.value = noresultspageOriginal + '_author';
			
		} else {
			searchby_all_option.checked = 'checked';
			searchby_author.style.display = 'none';
			searchby_all.value = searchby_author.value;

			searchby_author.value = '';
			searchby_all.style.display = 'inline';

			resultspage.value = resultspageOriginal;
			noresultspage.value = noresultspageOriginal;
		}
		
	} else {
		searchby_all_option.checked = 'checked';
	}
}

function createCookie(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 readCookie(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) {
	createCookie(name,"",-1);
}


function subscribe_by_email_tooltip() {
	if (!document.getElementById('mailinglist')) return false;

	var box = document.getElementById('mailinglist');
	var trigger = box.getElementsByTagName('a')[0];
	var tooltip = document.getElementById('mailinglist-info');
	var hideTrigger = document.getElementById('hide');

	trigger.onclick = function() {
		if (tooltip.className == 'selected') {
			tooltip.className = 'hide';
		} else {
			tooltip.className = 'selected';	
		}
		return false;
	}
	
	hideTrigger.onclick = function() {
		tooltip.className = 'hide';
		return false;
	}
}

window.onload = function() {
	dropdown_link('archives');
}

var loaded = new domFunction(function(){
	search_switch();
	subscribe_by_email_tooltip();
}, { 'main' : 'id' });