$( function() {

/* Nuova immagine */
$("p.newimage,a.newimage").click(function(){
		$("#opaco").css("display", "block").css("opacity", 0.7).css("width", $(document).width()).css("height", $(document).height());
		$("#layer_newimage").fadeIn("slow").css("top",Mytopmargin($("#layer_newimage").height()) + "px").css("left", Myleftmargin($("#layer_newimage").width()) + "px");
		return false;
   });

/* Chiudi box messaggio */
$("a.chiudi_newimage, #opaco").click(function(){
		$("#opaco").fadeOut("fast");
		$("#layer_newimage").fadeOut("fast");
		$("#box_errori").fadeOut("fast");
		return false;
   });

   $(window).resize(function(){
		$("#opaco").css("width", $(document).width()).css("height", $(document).height());
	   });

}); /* FINE FUNZIONI EFFETTI */


function Mytopmargin(AltezzaOggetto) {
	var x = Math.round(($(window).height()-AltezzaOggetto)/2+$(document).scrollTop());
	return x;
};
function Myleftmargin(LarghezzaOggetto) {
	var x = Math.round(($(window).width()-LarghezzaOggetto)/2+$(document).scrollLeft());
	return x;
};