//validateLogin
function validateLogin()
{
	fv =  new formValidator();
	
	if (fv.isEmpty("email_address"))
		fv.raiseError("Please enter your Email Address.");
	else
	{	
  		if (!fv.isEmailAddress("email_address"))
			fv.raiseError("Please enter a valid Email Address.");
	}
	
	if (fv.isEmpty("password"))
		fv.raiseError("Please enter your Password.");
		
	if (fv.numErrors() > 0)
	{
		fv.displayErrors();
		return false;
	}
	else
	  return true;
}

//validateForgottenPassword
function validateForgottenPassword()
{
	fv =  new formValidator();
	
	if (fv.isEmpty("username"))
		fv.raiseError("Please enter your Username.");
		
	if (fv.numErrors() > 0)
	{
		fv.displayErrors();
		return false;
	}
	else
	  return true;
}

//picSwitch
function picSwitch(imgName, idx) 
{
 imgOn = ("" + imgName);
 document.mainpic.src = imgOn;

    var hyperlinks = document.getElementsByTagName("a");
    for (i=0;i<hyperlinks.length; i++)
    {
     if (hyperlinks[i].id)
        {
   var hyperlink = new String(hyperlinks[i].id);
   if (hyperlink.substr(0, 3) == 'pic')
   {
    if (hyperlink == 'pic'+idx)
     hyperlinks[i].className = 'on';
    else
     hyperlinks[i].className = '';
   }
     }
    }
}