var indice = 0;
	function exibeSigno(signo){
		if(signo > -1){
			for (var i=0; i <= 12; i++){
				if(i > 0){
					indice = i-1;
				}
				if (i == signo) {
					document.getElementById('signo_['+ indice +']').style.display = "";
					w3cookies.erase('signo');
					w3cookies.create('signo',i,365);						
				} else {
					document.getElementById('signo_['+ indice +']').style.display = "none";
				}
			}
		}
	}
		
	var w3cookies = {
		date: new Date(),
		create: function(strName, strValue, intDays) {
			if ( intDays ) {
				this.date.setTime(this.date.getTime()+(intDays*24*60*60*1000));
				var expires = "; expires=" + this.date.toGMTString();
			} else {
				var expires = "";
			}
			document.cookie = strName + "=" + strValue + expires + "; path=/";
		},
		read: function(strName) {
			var strNameIgual = strName + "=";
			var arrCookies = document.cookie.split(";");
			for ( var i = 0, strCookie; strCookie = arrCookies[i]; i++ ) {
				while ( strCookie.charAt(0) == " ") {
					strCookie = strCookie.substring(1,strCookie.length);
				}
				if ( strCookie.indexOf(strNameIgual) == 0 ) {
					return strCookie.substring(strNameIgual.length,strCookie.length);
				}
			}
			return null;
		},
		erase: function(strName) {
			this.create(strName,"",-1);
		}
	}