jQuery.preloadImages = function(){
  var dirimg = dirstart + "img/"
  for(var i = 0; i<arguments.length; i++){
    jQuery("<img>").attr("src", dirimg + arguments[i]);
  }
}
$.preloadImages("m2_ico_hover.gif");//preload immagini
$(document).ready(function(){   
 	externalLinks();
});
function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
		anchor.getAttribute("rel") == "external")
		anchor.target = "_blank";
	}
}
//navigazione js
function navjs(url) {
	window.location = url;
}
function setCookie(name,value,days){
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function getCookie(name){
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function delCookie(name) {
	setCookie(name,"",-1);
}
//caricamento ritardato google maps
function loadMappa() {
   google.load("maps", "2", {"callback" : mapsCarica});   
}
function initMappa(gmapskey) {
   var script = document.createElement("script");
   script.src = "http://www.google.com/jsapi?key=" + gmapskey +"&callback=loadMappa";
   script.type = "text/javascript";
   document.getElementsByTagName("head")[0].appendChild(script);	
}