$(document).ready(function(){
	var counter = 1;
	$('.btn').click(function(){
		$('.front_content').slideToggle(800, change_pic);
	});
	function change_pic() {
		if(counter == 1) {
			$('#content .front .js_button').fadeOut(function(){$('#content .front .js_button').css('background','url(./sites/all/themes/idehbehine/images/js-button-reverce.png) no-repeat');
			counter = 0;});
			$('#content .front .js_button').fadeIn();
		}
		else{
			$('#content .front .js_button').fadeOut(function(){$('#content .front .js_button').css('background','url(./sites/all/themes/idehbehine/images/js-button.png) no-repeat');
			counter = 1;});
			$('#content .front .js_button').fadeIn();
		}
	}
});