//Pagina 4M
	var lastopen;
			$(document).ready(function(){
				var numDiv = 4;
				for(var i=1;i<=numDiv;i++){
					var expID = String("#exp" + i);
					var openID = String("#open" + i);
					var closeID = String("#close" + i);		
					appendClick(expID, openID, closeID);								
				}
			});
		
			function appendClick(expID, openID, closeID){
				$(expID).click(function () {
				$(openID).show("slow", function(){
				if (lastopen && lastopen!= openID)
					$(lastopen).hide("fast");
				lastopen=openID

					$(closeID).click(function () {
						$(openID).hide("fast");
						});
					});
				});
			}