function hideAll(exceptPos){
			obj = document.getElementById("a1");
			objImg = document.getElementById("q1");
			pos = 1;
			while(obj && objImg){
				if(pos != exceptPos){
					obj.style.display = "none";
					objImg.style.backgroundImage = "url(images/banner_right.jpg)";
				}
				obj = document.getElementById("a"+(++pos));
				objImg = document.getElementById("q"+pos);
			}
		}

		function changeStatus(pos){
			obj = document.getElementById("a"+pos);
			objImg = document.getElementById("q"+pos);
			if(obj){//alert(obj.style.display);
				if(obj.style.display == "none"){
					obj.style.display = "inline";
					objImg.style.backgroundImage = "url(images/banner_down.jpg)";
				}else{
					pos = 0;
				}
			}
			hideAll(pos);
		}