function CaseStories() {
	this.cur_casestory_index = 0;
	this.wInternal;
	this.casestories = new Array();
	this.instancename = '';

	this.createLinks = function () {
		jQuery('#navigator').empty();
	
		for (var i = 0; i < this.casestories.length; i++) {
			jQuery('#navigator').append('<a href="javascript:void(0);" title="' + this.casestories[i][2] + '" onclick="' + this.instancename + '.change(' + i + ', true);"><!-- ' + (i+1) + ' --></a>');
		}
	}


	this.beginWalking = function () {
		clearInterval(this.wInternal);
		this.wInternal = setInterval(this.instancename + ".walk()", 7500);
	}


	this.walk = function () {
		this.cur_casestory_index++;
	
		if (this.cur_casestory_index == this.casestories.length) {
			this.cur_casestory_index = 0;
		}
	
		this.change(this.cur_casestory_index, false);
	}


	this.change = function (index, stop_walking) {
		jQuery('#visual span.title').html(this.casestories[index][2]);
		jQuery('#visual a.morelink').attr('href', this.casestories[index][0]);
		jQuery('#casestoryimage').attr('src', this.casestories[index][1]);
	
		jQuery('#navigator a').each(function (i) {
			if (i == index) {
				jQuery(this).addClass('current');
			} else {
				jQuery(this).removeClass('current');
			}
		});
	
		this.cur_casestory_index = index;
	
		document.cookie = "cur_casestory_index=" + this.cur_casestory_index + ";path=/;";
	
		if (stop_walking) {
			clearInterval(this.wInternal);
			setTimeout(this.instancename + ".beginWalking()", 13000);
		}
	}
}


function getCookieValue(check_name) {
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for (i = 0; i < a_all_cookies.length; i++) {
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );

		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if (cookie_name == check_name) {
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if (a_temp_cookie.length > 1) {
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}

	if (!b_cookie_found) {
		return null;
	}
}
