function goback(){
location.href="music.php";	
}
function checkusername(){
var elm = document.createElement("script");
elm.src= "test.php?n="+document.getElementById("username").value;
document.body.appendChild(elm);
}
function checkpressword(){
if(document.application.pw.value!=""){
document.getElementById("checkpressword").innerHTML = "<img src='music/check_right.gif'/>";
}else{
document.getElementById("checkpressword").innerHTML = "<img src='music/check_error.gif'/>";
}
}

function checkpw(){
if(document.application.repw.value == document.application.pw.value){
document.getElementById("checkpw").innerHTML = "<img src='music/check_right.gif'/>";
}else{
document.getElementById("checkpw").innerHTML = "<img src='music/check_error.gif'/>";
}

}

function checkmail(){

	if (document.application.email.value==""){
	document.getElementById("checkmail").innerHTML = "<img src='music/check_error.gif'/>";
	}else{
	document.getElementById("checkmail").innerHTML = "<img src='music/check_right.gif'/>";
	}
}
function checkmsn(){

	if (document.application.msn.value==""){
	document.getElementById("checkmsn").innerHTML = "<img src='music/check_error.gif'/>";
	}else{
	document.getElementById("checkmsn").innerHTML = "<img src='music/check_right.gif'/>";
	}
}
function romdom(){
	tips = new Array(4); // 填入隨機總數
tips[0] = '<a href="midi.php" ><img src="Temp/closeup.jpg" border="0"></a>';
tips[1] = '<a href="midi.php?go=102" ><img src="Temp/if_i_am.jpg" border="0"></a>';
tips[2] = '<a href="midi.php?go=103" ><img src="Temp/sevenyear.jpg" border="0"></a>';
tips[3] = '<a href="midi.php" ><img src="Temp/closeup.jpg" border="0"></a>';
tips[4] = ' <a href="dolly.php"><img src="dolly/banner_bg.jpg" alt="" width="500"/></a>';
tips[5] = ' <a href="dolly.php"><img src="dolly/banner_bg.jpg" alt="" width="500"/></a>';
tips[6] = ' <a href="dolly.php"><img src="dolly/banner_bg.jpg" alt="" width="500"/></a>';
tips[7] = ' <a href="dolly.php"><img src="dolly/banner_bg.jpg" alt="" width="500"/></a>';
tips[8] = ' <a href="dolly.php"><img src="dolly/banner_bg.jpg" alt="" width="500"/></a>';
tips[9] = ' <a href="dolly.php"><img src="dolly/banner_bg.jpg" alt="" width="500"/></a>';
index = Math.floor(Math.random() * tips.length);
document.write(tips[index]);
}
function errorimg(x, y) { 
var rimg = "music/headphoto.png"; 
if (y == null) { 
x.src = rimg; 
} 
else { 
x.src = y; 
} 
}

function idreamsite() {
title = "夢想屋 - 全港最強伴奏網";
url = "http://idreamsite.com/";
if (window.sidebar) {window.sidebar.addPanel(title, url,"");}
else if(window.external ) {window.external.AddFavorite( url, title);}
else if(window.opera && window.print) {return true;}}


function a(){
<!--
function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0)
break;
}
return null;
}
function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function DeleteCookie(name) {
var exp = new Date();
FixCookieDate (exp); // Correct for Mac bug
exp.setTime (exp.getTime() - 1); // This cookie is history
var cval = GetCookie (name);
if (cval != null)
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var expdate = new Date();
var num_visits;
expdate.setTime(expdate.getTime() + (5*24*60*60*1000));
if (!(num_visits = GetCookie("num_visits")))
num_visits = 0;
num_visits++;
SetCookie("num_visits",num_visits,expdate);
//-->
document.write(num_visits);
}