/**
 * @author Juan Carlos Cruz
 */


function getElementsByClassName(clsName) {

    var i, matches=new Array();
    var els=document.getElementsByTagName('*');
    for(i=0; i<els.length; i++) {
        if(els.item(i).className==clsName) {
            matches.push(els.item(i));
        }
    }
    return matches.length;
}
function getDisplay() {

    if ((getElementsByClassName('pagedemo') + 1) < 10)
    {
        return getElementsByClassName('pagedemo') + 1;
    }
    else
    {
        return 10;
    }



    return matches.length;
}

var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;
	
function jsddm_open()
{
    jsddm_canceltimer();
    jsddm_close();
    ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
}

function jsddm_close()
{
    if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
}
	
function jsddm_timer()
{
    closetimer = window.setTimeout(jsddm_close, timeout);
}
	
function jsddm_canceltimer()
{
    if(closetimer)

    {
        window.clearTimeout(closetimer);
        closetimer = null;
    }
}
	
$(document).ready(function(){
    var currentPosition = 0;
    var slideWidth = 560;
    var slides = $('.slide');
    var numberOfSlides = slides.length;

    $('#jsddm > li').bind('mouseover', jsddm_open);
    $('#jsddm > li').bind('mouseout',  jsddm_timer);
	
    // Remove scrollbar in JS
    $('#slidesContainer').css('overflow', 'hidden');

    // Wrap all .slides with #slideInner div
    slides
    .wrapAll('<div id="slideInner"></div>')
    // Float left to display horizontally, readjust .slides width
    .css({
        'float' : 'left',
        'width' : slideWidth
    });

    // Set #slideInner width equal to total width of all slides
    $('#slideInner').css('width', slideWidth * numberOfSlides);

    // Insert controls in the DOM
    $('#slideshow')
    .prepend('<span class="control" id="leftControl">Clicking moves left</span>')
    .append('<span class="control" id="rightControl">Clicking moves right</span>');

    // Hide left arrow control on first load
    manageControls(currentPosition);

    // Create event listeners for .controls clicks
    $('.control')
    .bind('click', function(){
        // Determine new position
        currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
    
        // Hide / show controls
        manageControls(currentPosition);
        // Move slideInner using margin-left
        $('#slideInner').animate({
            'marginLeft' : slideWidth*(-currentPosition)
        });
    });

    // manageControls: Hides and Shows controls depending on currentPosition
    function manageControls(position){
        // Hide left arrow if position is first slide
        if(position==0){
            $('#leftControl').hide()
        } else{
            $('#leftControl').show()
        }
        // Hide right arrow if position is last slide
        if(position==numberOfSlides-1){
            $('#rightControl').hide()
        } else{
            $('#rightControl').show()
        }
    }
});

document.onclick = jsddm_close;