//focus

function validateForm()
{
	var userName,pwd;

	
	userName = trim(document.frmLogin.txtUserName.value);
	pwd = trim(document.frmLogin.txtPassword.value);
	
	//if both user name and password are blank
	
	if (userName.length == 0 && pwd.length == 0) 
	{
		alert("Please enter a valid user name and password.")
		document.frmLogin.txtUserName.focus();		
		return false;
		
	}
	else if (userName == '')
	{
		alert("Please enter a valid user name");
		document.frmLogin.txtUserName.focus();
		return false;
	}
	else if(pwd == '')
	{
		alert("Please enter a valid password");
		document.frmLogin.txtPassword.focus();
		return false;
	}
	
	
		
	//Check for Minimum user name characters
	if ((userName.length) < 3)
	{
		alert("Please enter a valid user name of 3 letters.");
		document.frmLogin.txtUserName.focus();
		return false;
	};
	//Check for Mininium usr password characters
	if ((pwd) < 3)
	{
		alert("Please enter a valid password of 3 letters.");
		document.frmLogin.txtPassword.focus();
		return false;
	}
	
	return true;
}