$(document).ready(function(){
	var totWidth=0;
	var positions = new Array();
	$('#slides .slide').each(function(i){
		positions[i]= totWidth;
		totWidth += $(this).width();
		if(!$(this).width()){
			alert("Please, fill in width & height for all your images!");
			return false;}});
	$('#slides').width(totWidth);
	$('#menu_slide ul li a').click(function(e,keepScroll){
			$('li.menuItem').removeClass('act').addClass('inact');
			$(this).parent().addClass('act');
			var pos = $(this).parent().prevAll('.menuItem').length;
			$('#slides').stop().animate({marginLeft:-positions[pos]+'px'},450);
			e.preventDefault();
			if(!keepScroll) clearInterval(itvl);});
	$('#menu_slide ul li.menuItem:first').addClass('act').siblings().addClass('inact');
	var current=1;
	function autoAdvance(){
		if(current==-1) return false;
		$('#menu_slide ul li a').eq(current%$('#menu_slide ul li a').length).trigger('click',[true]);	// [true] will be passed as the keepScroll parameter of the click function on line 28
		current++;}
	var changeEvery = 7;
	var itvl = setInterval(function(){autoAdvance()},changeEvery*1000);});
