//国颖制作的选项卡切换
function hack_item(select,page){
	document.body.focus();
	item_num=3;
	if(page=='confirmOrder'){
		item_num=4;
	}
	for(i=1;i<=item_num;i++){
		obj1=document.getElementById("menu0"+i);
		obj2=document.getElementById("hack0"+i);
		if(i==select){
			obj1.className="active";
			obj2.style.display="block";
		}else{
			obj1.className="";
			obj2.style.display="none";
		}
	}
}