function paginate(selector, perPage, pageNav) {
// $(document).ready(function(){
//	alert('Pagination:' + perPage + ' in Div ' + selector);

	var pageNav = pageNav;
	if(typeof(pageNav) == 'undefined') pageNav = "#page_navigation";
	//how much items per page to show
	var show_per_page = perPage;
	//getting the amount of elements inside content div
	var number_of_items = $(selector).children().size();
	//calculate the number of pages we are going to have
	var number_of_pages = Math.ceil(number_of_items/show_per_page);

	//set the value of our hidden input fields
	$('#current_page').val(0);
	$('#show_per_page').val(show_per_page);

	//now when we got all we need for the navigation let's make it '
	
	//what are we going to have in the navigation?
	//	- link to previous page
	//	- links to specific pages
	//	- link to next page
	
	var spacer = ' | ';
	
	var navigation_html = '<a class="previous_link" href="javascript:previous(\'' + selector + '\');">Prev</a>' + spacer;
	var current_link = 0;
	while(number_of_pages > current_link){
		if(current_link == 0) {
		navigation_html += '<a class="page_link" href="javascript:go_to_page(' + current_link +',\'' + selector + '\')" longdesc="' + current_link +'">'+ (current_link + 1) +'</a>';
		}
		else {
		navigation_html += spacer + '<a class="page_link" href="javascript:go_to_page(' + current_link +',\'' + selector + '\')" longdesc="' + current_link +'">'+ (current_link + 1) +'</a>';
		}
		current_link++;
	}
	navigation_html += spacer + '<a class="next_link" href="javascript:next(\'' + selector + '\');">Next</a>';

	$(pageNav).html(navigation_html);

	//add active_page class to the first page link
	$(pageNav + ' .page_link:first').addClass('active_page');
	$('.previous_link').css('display','none');

	//hide all the elements inside content div
	$(selector).children().css('display', 'none');

	//and show the first n (show_per_page) elements
	$(selector).children().slice(0, show_per_page).css('display', 'block');
//});
}


function previous(selector){

	new_page = parseInt($('#current_page').val()) - 1;
	//if there is an item before the current active link run the function
	if($('.active_page').prev('.page_link').length==true){
		go_to_page(new_page, selector);
	}

}

function next(selector){
	new_page = parseInt($('#current_page').val()) + 1;
	//if there is an item after the current active link run the function
	if($('.active_page').next('.page_link').length==true){
		go_to_page(new_page, selector);
	}
}
function go_to_page(page_num, selector){
	//get the number of items shown per page
	var show_per_page = parseInt($('#show_per_page').val());
	//get the element number where to start the slice from
	start_from = page_num * show_per_page;
	//get the element number where to end the slice
	end_on = start_from + show_per_page;
	//hide all children elements of content div, get specific items and show them
	$(selector).children().css('display', 'none').slice(start_from, end_on).css('display', 'block');

	/*get the page link that has longdesc attribute of the current page and add active_page class to it
	and remove that class from previously active page link*/
	$('.page_link[longdesc=' + page_num +']').addClass('active_page').siblings('.active_page').removeClass('active_page');
	//update the current page input field
	$('#current_page').val(page_num);

	/*Previous-Link ausblenden, wenn die erste Seite aktiv ist*/
	if(page_num == 0) 	$('.previous_link').css('display','none');
	else $('.previous_link').css('display','inline');
	/*Next-Link ausblenden, wenn die letzte Seite aktiv ist*/
	if($('.active_page').next('.page_link').length!=true) 	$('.next_link').css('display','none');
	else $('.next_link').css('display','inline');
}