$(document).ready(function(){
	var myheight = $("#main").height();
	var maxHeight = 400;
	if (myheight > maxHeight)
	{
		$("#mas").toggle();
		$("#main").css("height", maxHeight+"px").css("overflow", "hidden");
	}
	$("#mas a").bind("click", function()
	{
		$("#main").css("overflow", "visible").animate({height: myheight}, "slow");
		$("#mas").toggle();
	});
});