function CreateXMLHttpRequest(){
    if(window.ActiveXObject){
         xmlobj = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    else if(window.XMLHttpRequest){
         xmlobj = new XMLHttpRequest();
	}
}
  
  
  function ShowMenu(MenuID) 
{ 
	if(MenuID.style.display=="none") 
	{ 
	genLoginForm();
		MenuID.style.display=""; 
	} 
	else 
	{ 
		genLoginoutForm();
		MenuID.style.display="none";
	} 
} 
function aoad()
{
	document.getElementById("shop").style.display = "none";
    
}

function test1(form) {
  if (form.address.value == "")
    form.address.disabled=   true
  else { 
   alert("àË "+form.text1.value+"! Äú ÒÑ Êä Èë Íê ³É !");
  }
}

 function parseLogin(username,contact,zip,address,phone,Amount,email,remark,isbn)
 {
 CreateXMLHttpRequest(); 
 showuserurl="booksorder.php";
  post="username="+username+"&contact="+contact+"&zip="+zip+"&address="+address+"&phone="+phone+"&Amount="+Amount+"&email="+email+"&remark="+remark+"&isbn="+isbn+"";
  //alert(post)
    xmlobj.onreadystatechange = makeResult;
    xmlobj.open("POST", showuserurl, false);
    xmlobj.setrequestheader("content-length",post.length);
	xmlobj.setrequestheader("content-type","application/x-www-form-urlencoded");
	xmlobj.setRequestHeader("If-Modified-Since","0");
	xmlobj.send (post);
 }	
 function makeResult()
 {
	
  if(xmlobj.readyState == 4 && xmlobj.status == 200){
	//  alert(1)
    $("shop").innerHTML="<dl style=\"color:#ff0000;\">&nbsp;&nbsp;<img src=\"/images/book_buy_ok.gif\" />Sucessful submission of the order form,please check our recent E-mail for you.</dl>";
  }
 }
 function genLoginoutForm(){
	 $("shop").innerHTML="";
	 
	 }
 
    function yulanForm(username,contact,zip,address,phone,Amount,email,remark,isbn)
 {         	 	if(username==""||contact==""||zip==""||address==""||phone==""||Amount==""||email==""){
 	alert("error data");
 	return false;
    
    }
 	else
 	$("shop").innerHTML="<form ><dl style=\"color:#ff0000;\">&nbsp;&nbsp;¡¤Please confirm your information and press Return in case modification is needed.</dl><dl><dt>Country or territory:</dt><dd>"+username+"</dd></dl><dl><dt>Contact person:</dt><dd>"+contact+"</dd></dl><dl><dt>ZIP/Postal code:</dt><dd>"+zip+"</dd></dl><dl><dt>Address:</dt><dd>"+address+"</dd></dl><dl><dt>Phone Number:</dt><dd>"+phone+"</dd></dl><dl><dt>Amount:</dt><dd>"+Amount+"</dd></dl><dl><dt>Email:</dt><dd>"+email+"</dd></dl><dl style=\"height:50px;\"><dt style=\"height:50px;\">Remark:</dt><dd>"+remark+"</dd></dl><dl><dt>&nbsp;</dt><dd><input type=\"button\"  value=\"Return\" onclick=\"return returnForm('"+username+"','"+contact+"','"+zip+"','"+address+"','"+phone+"','"+Amount+"','"+email+"','"+remark+"');\">&nbsp;&nbsp;<input type=\"button\"  value=\"Ok\" onclick=\"parseLogin('"+username+"','"+contact+"','"+zip+"','"+address+"','"+phone+"','"+Amount+"','"+email+"','"+remark+"','"+isbn+"');\"/></dd></dl></form>";
 }
 
function returnForm(username,contact,zip,address,phone,Amount,email,remark,isbn)
 {
 	$("shop").innerHTML="<form onsubmit=\"return yulanForm($('username').value,$('contact').value,$('zip').value,$('address').value,$('phone').value,$('Amount').value,$('email').value,$('remark').value);\"><dl style=\"color:#ff0000;\">&nbsp;&nbsp;Please fill the following form carefully to ensure our best service for you.</dl><dl><dt>Country or terri	tory:</dt><dd><input id=\"username\" type=\"text\" size=\"30\" value="+username+"> *</dd></dl><dl><dt>Contact person:</dt><dd><input id=\"contact\" type=\"text\" size=\"30\" value="+contact+"> *</dd></dl><dl><dt>ZIP/Postal code:</dt><dd><input id=\"zip\" type=\"text\" size=\"30\" value="+zip+"> *</dd></dl><dl><dt>Address:</dt><dd><input id=\"address\" type=\"text\" size=\"50\" value="+address+"> *</dd></dl><dl><dt>Phone Number:</dt><dd><input id=\"phone\" type=\"text\" size=\"30\" value="+phone+"> *</dd></dl><dl><dt>Amount:</dt><dd><input id=\"amount\" type=\"text\" size=\"30\" value="+Amount+"> *</dd></dl><dl><dt>Email:</dt><dd><input id=\"email\" type=\"text\" size=\"30\" value="+email+"> *</dd></dl><dl style=\"height:50px;\"><dt style=\"height:50px;\">Remark:</dt><dd><textarea cols=\"60\" rows=\"3\" id=\"remark\" type=\"textarea\" style=\"width:400px;height:30px;margin-top:5px;\">"+remark+"</textarea></dd></dl><dl><dt>&nbsp;</dt><dd><input type=\"submit\"  value=\"submit\"/></dd></dl></form>";
 }