var numimg=0;
var current = 'a1';

var imgslide = new Array ();
imgslide[0]=new Image ();
imgslide[1]=new Image ();
imgslide[2]=new Image ();
imgslide[3]=new Image ();
imgslide[4]=new Image ();
imgslide[5]=new Image ();
imgslide[6]=new Image (); 
imgslide[7]=new Image (); 

imgslide[0].src ="images/slideshow/0003-MedEd-b[1].gif";
imgslide[1].src ="images/slideshow/0007-MedEd-b[2].gif";
imgslide[2].src ="images/slideshow/0008-MedEd-b[3].gif";
imgslide[3].src ="images/slideshow/00012-MedEd-b[4].gif";
imgslide[4].src ="images/slideshow/00013-MedEd-b[5].gif";
imgslide[5].src ="images/slideshow/00069-MedEd-b[6].gif";
imgslide[6].src ="images/slideshow/0080-MedEd-b[7].gif";
imgslide[7].src="images/slideshow/0092-MedEd-b[8].gif";

jQuery('#pic').attr('src', imgslide[0].src);

function dem(n)
{
	numimg += n;
	if (numimg==8)
		numimg=0;
	if (numimg== -1)
		numimg=7;

	jQuery('#' + current).toggleClass('active_image', false);
	current = 'a' + String(numimg + 1);
	jQuery('#' + current).toggleClass('active_image', true);
	jQuery('#pic').attr('src', imgslide[numimg].src);
}

jQuery('.row a').click(function()
{
	jQuery('#' + current).toggleClass('active_image', false);
	current = jQuery(this).attr('id');
	jQuery('#' + current).toggleClass('active_image', true);
	
	var indexString = current.replace('a', '') ;
	var index = parseInt(indexString) - 1;
	jQuery('#pic').attr('src', imgslide[index].src);
});

jQuery('#prev').click(function()
{
	dem(-1);
});

jQuery('#next').click(function()
{
	dem(1);
});