var timer = null;
var frame = 1;
var delay = 2;	// seconds
var headerImages = new Array();

Event.observe(window,'load',function(){
	timer = setTimeout("rotate_headerimages()", (delay * 1000));
});

function post_data(formID) {
	if (formID) {
		$(formID).submit();
	}
}

function rotate_headerimages() {
	if (timer != null) clearTimeout(timer);
	
	if (frame > 3) frame = 1;
	
	new Effect.Opacity('header-image-'+frame, { from: 1.0, to: 0, afterFinish: swapImage, queue: 'end'});
		
	new Effect.Opacity('header-image-'+frame, { from: 0, to: 1.0, duration: 2.0, queue: 'end'});
	
	frame++;
	
	timer = setTimeout("rotate_headerimages()", (delay * 1000));
}

function swapImage(obj) {
	var pick = Math.floor(Math.random()*(headerImages.length));
	obj.element.src = headerImages[pick];
}

function member_search() {
	var elems = $('members_searchForm').getElements();
	elems.each(function(el) { 
		if ($F(el) != '') { 
			$('members_searchForm').submit();
		}
	});  
}

function reload(formID) {
	if (formID) {
		$(formID).a.value = '';
		$(formID).submit();
	}
}

function changeTopic() {
	$('topic_form').submit();
}

function postComment() {
	if ($F('comment') != '') {
		$('comment_form').submit();
	}
}

function searchFocus(elem) {
	if (elem.value = 'Search this site') {
		elem.value = '';	
	}
}

function validate_pay(form) {
	var valid = new Validation(form, { onSubmit:false, useTitles:true, immediate : true });
    var result = valid.validate();
	
	if (result) {
		$(form).CN.value = $F('sal')+' '+$F('firstname')+' '+$F('lastname');
		$(form).ownercty.value = $F('country_id');
		$(form).PARAMPLUS.value = $(form).PARAMPLUS.value+'&sal='+$F('sal')+'&firstname='+$F('firstname')+'&lastname='+$F('lastname');
		$(form).PARAMPLUS.value = $(form).PARAMPLUS.value+'&street='+$F('owneraddress')+'&city='+$F('ownertown')+'&postcode='+$F('ownerZIP')+'&country_id='+$F('country_id');
		$(form).PARAMPLUS.value = $(form).PARAMPLUS.value+'&email='+$F('EMAIL')+'&telephone='+$F('ownertelno');
		
		return true;
	}
	
	return false;
	
}