function meny(obj){
	var element = document.getElementById(obj);
	var element_bild = document.getElementById(obj+'b');
	
	if(element.style.display == "none" || element.style.display == ''){ 		
		element.style.display = "block";
		element_bild.src = "_.gif";
	}else{
		element.style.display = "none";
		element_bild.src = "+.gif";
	}
}

function ChangePicture(img_path) {
	obj = window.document.getElementById('prod');
	obj.src = img_path;
}