document.write('<style type="text/css">#wrapper { visibility: hidden; }<\/style>');
document.write('<div id="loading">Now Loading...<\/div>');	// ロード中に表示する文字列

var i = 0;
var ele = document.getElementById("loading");
var str = ele.firstChild.data;

function char_loop(ele, str) {
	ele.innerHTML = str.substring(0, i++ % str.length + 1);
}
setInterval("char_loop(ele, str);", 100);

window.onload = function() {
	ele.style.display = "none";
	document.getElementById("wrapper").style.visibility = "visible";
}