function showPergamena(id){
	if ($(id).css('display') == 'block'){
		$(id).hide('slow');
	}else{
		var bodyH = document.body.offsetHeight;
		var pTop = bodyH - 450;
		$(id).css('top',pTop);
		$(id).show('slow');
	}
	return false;
}

function slideSwitch(num){
	// num_carte ~~ global var
	if (num == 0) num = num_carte;
	$('#carta'+num).fadeOut(100, function(){
		num--;
		if (num < 1) {
			num = num_carte;
		}
		$('#carta'+num).fadeIn(100, function(){
			func = 'slideSwitch('+num+')';
			setTimeout( func, 2500 );
		});
	});
}

$(function() {
	
	$('#carta'+num_carte).css('display','block');
	$("#carta").animate({
        	top: "-260px",
      		left: "-148px"
      	}, 1000 );
	var state = 0;

	$("#carta").click(function() {
		if (state == 1){
			var top = "-260px";
			var left = "-148px";
			var newState = 2;
		} else {
			var top = "0px";
			var left = "0px";
			var newState = 1;
			if (state == 0) setTimeout( "slideSwitch(0)", 2500 );
		}
		$("#carta").animate({
        	top: top,
      		left: left
      	}, 1000 );
		state = newState;
	});
});