var prodAccordion;
var isOpen=new Array(false, false, false, false);
function toggle(index){
	var idx = index - 1;
	isOpen[idx] = !isOpen[idx];
	
	for (var i = 0; i < isOpen.length; i++) {
		if (i != idx)
			isOpen[i] = false;
	
		if (isOpen[i])
			document.getElementById("img" + (i + 1)).src = "/images/moo/minus.jpg";
		else
			document.getElementById("img" + (i + 1)).src = "/images/moo/plus.jpg";
	}
}