var M3Slider = {
	intervalVar : '',
	intervalTime : 5000,
	fadeTime : 1500,
	total : 0,
	current : 1,
	init : function(){
		M3Slider.total = $('.slider_imgs').length;
		M3Slider.intervalVar = setInterval(M3Slider.intervalFunction,M3Slider.intervalTime);
	},
	intervalFunction : function(){
		prev = M3Slider.current;
		if(M3Slider.current == M3Slider.total){
			M3Slider.current = 1;	
		}else{
			M3Slider.current = M3Slider.current + 1;	
		}
		$('#slider_img_' + prev).fadeOut(M3Slider.fadeTime);
		setTimeout(function(){ $('#slider_img_' + M3Slider.current).fadeIn(M3Slider.fadeTime); },M3Slider.fadeTime);
	},
	goto : function(n){
		prev = M3Slider.current;
		M3Slider.current = n;
		clearInterval(M3Slider.intervalVar);
		$('#slider_img_' + prev).fadeOut(M3Slider.fadeTime,function(){ $('#slider_img_' + M3Slider.current).fadeIn(M3Slider.fadeTime) });
	}
}

$(function(){
	M3Slider.init();	
});