var carouselTimer;

var changeTime = 5000;

jQuery.fn.carousel = function(previous, next, options){
	
        var sliderList = jQuery(this).children()[0];
	
	if (sliderList) {
		
                var increment   = jQuery(sliderList).children().outerWidth("true"),
		
                elmnts          = jQuery(sliderList).children(),
		
                numElmts        = elmnts.length,
		
                sizeFirstElmnt  = increment,
		
                shownInViewport = Math.round(jQuery(this).width() / sizeFirstElmnt),
		
                firstElementOnViewPort = 1,
		
                isAnimating = false;
		
		for (i = 0; i < shownInViewport; i++) {
			jQuery(sliderList).css('width',(numElmts+shownInViewport)*increment + increment + "px");
			jQuery(sliderList).append(jQuery(elmnts[i]).clone());
		}
		
		jQuery(previous).click(function(event){
                        
                        if (!isAnimating) {
				if (firstElementOnViewPort == 1) {
					jQuery(sliderList).css('left', "-" + numElmts * sizeFirstElmnt + "px");
					firstElementOnViewPort = numElmts;
				}
				else {
					firstElementOnViewPort--;
				}
				
				jQuery(sliderList).animate({
					left: "+=" + increment,
					y: 0,
					queue: true
				}, "swing", function(){isAnimating = false;});
				isAnimating = true;
			}

		});
		
		jQuery(next).click(function(event){
                        
                        if (!isAnimating) {
				if (firstElementOnViewPort > numElmts) {
					firstElementOnViewPort = 2;
					jQuery(sliderList).css('left', "0px");
				}
				else {
					firstElementOnViewPort++;
				}
				jQuery(sliderList).animate({
					left: "-=" + increment,
					y: 0,
					queue: true
				}, "swing", function(){isAnimating = false;});
				isAnimating = true;
			}
 
		});
	}
};


jQuery(document).ready(function(){
    
    $('#ourClientsWrap').carousel('#previous', '#next');

    moveON();

});

function moveON(){
        
        clearTimeout(carouselTimer);
        
        $("#previous").click();
        
        setTimeout("moveON()", changeTime);
 }