function open_window(x) {
		var img = document.getElementById("main_pic");
		var img_src = img.src;
		img_src = img_src.substring(0,img_src.lastIndexOf('\.')-1);
		img_src = img_src + "b.jpg";
		window.open(img_src);
	}
	function show_pic(obj) {
		var img = document.getElementById("main_pic");
		var obj_src = obj.src;
		obj_src = obj_src.substring(0,obj_src.lastIndexOf('\.')-1);
		obj_src = obj_src +"m.jpg";
		img.src = obj_src;
	}
	function getMesi() {
		var mese = new Array();
		mese[0] = "gen";
		mese[1] = "feb";
		mese[2] = "mar";
		mese[3] = "apr";
		mese[4] = "mag";
		mese[5] = "giu";
		mese[6] = "lug";
		mese[7] = "ago";
		mese[8] = "set";
		mese[9] = "ott";
		mese[10] = "nov";
		mese[11] = "dic";
		for(i=0;i<=11;i++) {
			document.write("<option>" + mese[i] + "</option>");
		}
	}
	function getGiorni() {
		for(i=1;i<=31;i++) {
			if(i<10) {
				var gg = "0" + i;
			} else {
				var gg = "" + i;
			}
			document.write("<option>" + gg + "</option>");
		}
	}
	function getAnno() {
		
		document.write("<option>" + aaaa + "</option>");
	}