Event.observe(window,'load',function(event){
	var areas=$$('area');
	for(var i=0;i<areas.length;i++){
		areas[i].onmouseover = function (){
			$('idtt').show();
			$('idtt').innerHTML='<p>Busqueda de Autocares en :: <span>'+this.alt+'</span></p>';
		}
		areas[i].onmouseout = function (){
			$('idtt').hide();
		}
	}
	Event.stop(event);
});
Event.observe(window.document, 'mousemove', function(event){
	$('idtt').style.left=Event.pointerX(event)+25+'px';
	$('idtt').style.top=Event.pointerY(event)+'px';
	Event.stop(event);
});