function signIn()
{

	if(document.form.userid.value.length < 1) {
		alert("Please! input User ID!!!")
		document.form.userid.focus();
		return false;
	} else if(document.form.password.value.length < 1) {
		alert("Please! input Password!!!")
		document.form.password.focus();
		return false;
	} 
	if(type=="2") document.form.target = "ifrm";
	//url=document.getElementById("goUrl").value;
	document.form.action = "userInfo/SigninSubmit.php"
	document.form.submit();	
	
}
function MainsignIn(type)
{
	if(type=="1")
		
	{
		form=document.mainform;
		form.target = "ifrm";
	}
	else
	{
		form=document.jForm;
		form.target = "_top";
	}
		
	if(form.muserid.value.length < 1) {
		alert("Please! input User ID!!!")
		form.muserid.focus();
		return false;
	} else if(form.mpassword.value.length < 1) {
		alert("Please! input Password!!!")
		form.mpassword.focus();
		return false;
	} 
	//url=document.getElementById("goUrl").value;

	form.action = "../userInfo/SigninSubmit.php?type=mainpage";
	form.submit();		
	
	
}
function SignInForAjax(type)
{
	if(type=="1") // one download
	{
		var request = createRequest();
		var url = "../userInfo/SigninSubmitForAjax.php";
		var userID = document.getElementById("ajid").value;
		
		var pw = document.getElementById("ajpassword").value;	
		request.open("POST", url, true);
		
		request.onreadystatechange = function()
		{
			if (request.readyState == 4)
			{			
				if (request.status == 200)
				{			
					//alert(request);
					if(AjaxlogincheckResult(request)){
						$("#TB_closeWindowButton").click();
					}		
															
				} else {
					alert("status is " + request.status);
				}			
			}
		}
		request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		request.send("userid="+userID+"&pw="+pw);		
	}
}
//================
function AjaxlogincheckResult(request)
{	
	var response = request.responseText;
	if(trim(response) == 0)	{
		alert("The userid or password you entered is incorrect.");
		return false;
			
	} else {		
		return true;
		
	}
}

//=======================
function goRegister(goUrl)
{
 if(goUrl!="")
 {
 window.open("../userInfo/Registration.php?goUrl="+goUrl,"_top")
 }
 else
 {
 window.open("../userInfo/Registration.php","_top")
 }
}
function resetmain()
{
	document.getElementById("muserid").value="";
	document.getElementById("mpassword").value="";
}
function trim(s)
{

  return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
}