function SetLastVisitCookie( name, value, expires, path, domain, secure ){
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) expires = expires  *24* 60 * 60000;
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
	( ( path )    ? ";path="    + path : "" ) +
	( ( domain )  ? ";domain="  + domain : "" ) +
	( ( secure )  ? ";secure" : "" );
}

function GetLastCookie( name ){
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ){return null;}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

function lastVisited(notation,sType){
	sValue=notation+sType;
	if (!GetLastCookie('sLastVisited')){
		SetLastVisitCookie( "sLastVisited", sValue ,365);
	}else{
		var lastNotation = GetLastCookie('sLastVisited');
		var notations = lastNotation.split(',');
		var counter = 0;
		for (i=0;i < notations.length; i++){
			if (sValue==notations[i]) {
				counter ++;
			}
		}
		if (counter == 0){
			if (notations.length <= 4){
				lastNotation = sValue+','+lastNotation;
			}else{
				notations.pop()
				lastNotation = sValue+','+notations.toString();
			}		
			
			SetLastVisitCookie( "sLastVisited", lastNotation,365);
		}
	}
}