(function($){
	$.fn.header = function(options){
		var 
		defaults = {
			headerSize: 40,
			header: StartSideNavNumbers,
			continuous: true,
			startAt: -1,
			specify: []
		},
		settings = $.extend({}, defaults, options);
		
		this.each(function(i){
			var $this = $(this);
			if (settings.continuous == true){					
				$this.css({background:'url('+settings.header+') no-repeat  -'+((settings.startAt == -1 ? i : settings.startAt++) * settings.headerSize)+'px 0'});
			}else{
				if ((settings.specify.length>0) && (settings.specify.length>i)){
					$this.css({background:'url('+settings.header+') no-repeat  -'+((settings.specify[i]) * settings.headerSize)+'px 0'});
				}
			}
		});
		
		if (($.browser.msie) && (jQuery.browser.version == '8.0')){
			$(this).find('span').css({visibility: 'hidden'});
		}else{
			$(this).find('span').css({opacity: '0'});
			$(this).find('span').mousedown(function(){
				$(this).css({opacity: '0.1'});
			}).mouseout(function(){
		 		$(this).css({opacity:'0'});
			});
		}//EndOfIf
		
	}
})(jQuery);