var timer;
var interval = 5000;
var total_items = 5;
var cur_item = 0;
var prev_item = null;

function showHighlight(){
	prev_item = cur_item;
	cur_item += 1;
	
	if(cur_item > total_items){
		cur_item = 1;
	}
	
	if(prev_item) $('#highlight_image_'+prev_item).fadeOut(2000);
	$('#highlight_image_'+cur_item).fadeIn(2000);
	
	if(prev_item) $('#highlight_text_cont_'+prev_item+' a').removeClass('selected');
	$('#highlight_text_cont_'+cur_item+' a').addClass('selected');
	
	if(timer) clearTimeout(timer);
	timer = setTimeout('showHighlight()',interval);
}

function pauseHighlight(item_no){
	if(item_no == cur_item){
		if(timer) clearTimeout(timer);
		return ;
	}
	else{
		if(timer) clearTimeout(timer);
	}
	
	prev_item = cur_item;
	cur_item = item_no;
	
	if(prev_item) $('#highlight_image_'+prev_item).fadeOut(500);
	$('#highlight_image_'+cur_item).fadeIn(500);
	
	if(prev_item) $('#highlight_text_cont_'+prev_item+' a').removeClass('selected');
	$('#highlight_text_cont_'+cur_item+' a').addClass('selected');
}

function resumeHighlight(){
	if(timer) clearTimeout(timer);
	timer = setTimeout('showHighlight()',interval);
}

$(document).ready(function(){

	showHighlight();
});