function Greeting()
{						
	 var date = new Date();
	 var hours = date.getHours();

	 if ( (hours < 12) && (hours >= 6) )
	     ms = "Good morning and ";
	 else if ( (hours >= 12) && (hours < 18) )
	     ms = "Good afternoon and ";
	 else if ( (hours >= 18) && (hours < 23) )
	     ms = "Good evening and ";
	 else
	     ms = "Hello and ";

	return ms;
};


function disable() 
{
	document.forms[0].Submit.disabled = true;
};

function enable() 
{
	document.forms[0].Submit.disabled = false;
};

function hide() 
{
	document.forms['dis'].Submit.style.visibility="hidden";
};