//This function is used to change the images on login page.
function changeImage()
{
document.images["login"].src= "images/login1.gif";
return true;
}
function changeImageBack() 
{
 document.images["login"].src = "images/login.gif";
 return true;
}

//This function is used to validate on login page.
function submitform()
{
	var bsubmit = true;
	var loginid = document.LoginPage.LoginID.value
	var pswd = document.LoginPage.pswd.value
	if (loginid == '')
	{
		alert('please enter User ID');
		document.LoginPage.LoginID.focus();
		bsubmit = false;
		return;
	}
	if (pswd == '')
	{
		alert('please enter Password');
		document.LoginPage.pswd.focus();
		bsubmit = false;
		return;
	}
	if 	(bsubmit == true)
	{
		document.LoginPage.Mode.value = 1;
		document.LoginPage.submit();
	}
}