function readCookie(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 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 setEncodedEmailCookie(name,value,days) {
	var encodedValue = Base64.encode(value);
	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+"="+encodedValue+expires+"; path=/";
}

function reset(oid) {
	delCookie("firstName");
	delCookie("lastName");
	delCookie("email");
	delCookie("portalUserId");
	delPortalCookie("JSESSIONID");
	delCookie(oid);
}

function delCookie(name) {
	document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
}

function delPortalCookie(name) {
	document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/p";
}

function validate() {
	
	if (document.forms["commentForm"].userId.value == "") {
	
		var userEmail = document.forms["commentForm"].emailAddress.value;
		var userId = (userEmail.replace("@", "_")).replace(".", "_");
			
		if (readCookie("email") == null) {
			setEncodedEmailCookie("email", userEmail, 365);	
		}
		if (readCookie("firstName") == null) {
			setCookie("firstName", document.forms["commentForm"].firstName.value, 365);			
		}
		if (readCookie("lastName") == null) {
			setCookie("lastName", document.forms["commentForm"].lastName.value, 365);			
		}
	
		if (document.forms["commentForm"].firstName.value == "") {
			alert("Por favor agregue su nombre");
			document.forms["commentForm"].firstName.focus();
			return false;
		}
		if (document.forms["commentForm"].lastName.value == "") {
			alert("Por favor agregue su apellido");
			document.forms["commentForm"].lastName.focus();
			return false;
		}
		if (document.forms["commentForm"].emailAddress.value == "") {
			alert("Por favor agregue su correo electrónico");
			document.forms["commentForm"].emailAddress.focus();
			return false;
		}
		if (!((document.forms["commentForm"].emailAddress.value.indexOf(".") > 2) && 
			(document.forms["commentForm"].emailAddress.value.indexOf("@") > 0))) {
			alert("Por favor agregue un correo electrónico válido.");
			document.forms["commentForm"].emailAddress.focus();
			return false;
		}		
		if (document.forms["commentForm"].country.value == "") {
			alert("Por favor seleccione un país");
			document.forms["commentForm"].country.focus();
			return false;
		}
		if (document.forms["commentForm"].content.value == "") {
			alert("Por favor agregue el contenido");
			document.forms["commentForm"].content.focus();
			return false;
		}		
	} else {
		if (document.forms["commentForm"].country.value == "") {
			alert("Por favor seleccione un país");
			document.forms["commentForm"].country.focus();
			return false;
		}
		if (document.forms["commentForm"].content.value == "") {
			alert("Por favor agregue el contenido");
			document.forms["commentForm"].content.focus();
			return false;
		}	
	}
	return true;
}

function validateReview() {
	
	var isRated = false;
	for (m = 1; m <6; m++) {
		if (document.getElementById("star" + m + "_1.89.2").src.indexOf("filled.gif") != -1) {
			isRated = true;
		}		
	}
	
	if (!isRated) {
		alert("Please select a rating");
		return false;
	}
	
	if (document.forms["commentForm"].userId.value == "") {
		var userEmail = document.forms["commentForm"].emailAddress.value;
			
		if (readCookie("email") == null) {
			setEncodedEmailCookie("email", userEmail, 365);	
		}
		if (readCookie("firstName") == null) {
			setCookie("firstName", document.forms["commentForm"].firstName.value, 365);			
		}
		if (readCookie("lastName") == null) {
			setCookie("lastName", document.forms["commentForm"].lastName.value, 365);			
		}
		if (document.forms["commentForm"].firstName.value == "") {
			alert("Por favor agregue su nombre");
			document.forms["commentForm"].firstName.focus();
			return false;
		}
		if (document.forms["commentForm"].lastName.value == "") {
			alert("Por favor agregue su apellido");
			document.forms["commentForm"].lastName.focus();
			return false;
		}
		if (document.forms["commentForm"].emailAddress.value == "") {
			alert("Por favor agregue su correo electrónico");
			document.forms["commentForm"].emailAddress.focus();
			return false;
		}
		if (!((document.forms["commentForm"].emailAddress.value.indexOf(".") > 2) && 
			(document.forms["commentForm"].emailAddress.value.indexOf("@") > 0))) {
			alert("Por favor agregue un correo electrónico válido.");
			document.forms["commentForm"].emailAddress.focus();
			return false;
		}	
		if (document.forms["commentForm"].country.value == "") {
			alert("Por favor seleccione un país");
			document.forms["commentForm"].country.focus();
			return false;
		}		
	} else {
		if (document.forms["commentForm"].country.value == "") {
			alert("Por favor seleccione un país");
			document.forms["commentForm"].country.focus();
			return false;
		}		
	}
	return true;
}
var Base64 = {

    // private property
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
            this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
            this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = Base64._utf8_decode(output);

        return output;

    },

    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while ( i < utftext.length ) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}