// check to see if cookie exists
// if not, this is first visit
function welcome() {
	
	if(GetCookie("visits") == null)
	{
	 var visitCount = 1;
	 MM_changeProp('welcome','','style.visibility','visible');
	 MM_changeProp('qs','','style.visibility','hidden');
	 MM_changeProp('flashmovie','','style.visibility','hidden');
	 MM_changeProp('buttons','','style.visibility','hidden');
	}
	// else this is second or greater visit
	// retrieve last counted value and add 1
	else
	{
	 visitCount = parseInt(GetCookie("visits"))+1
	 MM_changeProp('welcome','','style.display','none');
	 MM_changeProp('qs','','style.visibility','visible');
	 MM_changeProp('flashmovie','','style.visibility','visible');
	 MM_changeProp('buttons','','style.visibility','visible');
	}
	 
	// set expiry date for 1 year from now
	var d = new Date();
	d.setDate(d.getDate() + 365); 
	 
	// update cookie with new count
	SetCookie("visits", visitCount, d);

}