var current = "";

function show(name) {
	current = name;
	var tip = document.getElementById(name);
	if (tip) {
		//var flyimg = eval('document.all.img' + name);
		tip.style.visibility = "visible";
	}
}


function hide(name) {
	var tip = document.getElementById(name);
	if (tip) {
		tip.style.visibility = "hidden";
		current="";
	}
}