function toggle(ob){
	
	o = document.getElementById(ob);

	if( o != null){
		if(o.style.display == "block"){
			o.style.display = "none";
		}else{
			o.style.display = "block"
		}
	}

}

function toggle_img(ob, path1, path2){

	o = document.getElementById(ob);
	


	if( o != null){
		p = o.src;

		if(p.indexOf(path1) > -1){	
			o.src = path2;
		}else {
			o.src = path1;
		}
	}	

}

function toggle_change(o1, o2, path1, path2){
	toggle(o1);
	toggle_img(o2, path1, path2);

}