var path;
var productionURLs = new Array();
var stageURLs = new Array();
var usrURLs = new Array();
var devURLs = new Array();
	
productionURLs[0] = "http://www.princess.com/";
productionURLs[1] = "https://book.princess.com/";
productionURLs[2] = "http://www.princesscruises.com/";
productionURLs[3] = "https://book.princesscruises.com/";
productionURLs[4] = "http://princess.com/";
productionURLs[5] = "http://princesscruises.com/";
productionURLs[6] = "http://book.princesscruises.com/";
productionURLs[7] = "http://employment.princess.com/";
productionURLs[8] = "http://book.princess.com/";

stageURLs[0] = "http://stagewww.princess.com/";
stageURLs[1] = "https://stagebook.princess.com/";
stageURLs[2] = "http://stagebook.princess.com/";

devURLs[0] = "http://devwww.princess.com/";
devURLs[1] = "https://devbook.princess.com/";
devURLs[2] = "http://devbook.princess.com/";

path = getUrl();

// open a generic popup window
function openGenericWindow(sURL, sWindowName) {
	subWin = window.open(sURL, sWindowName, 'HEIGHT=600,WIDTH=600,TOP=30,LEFT=70,scrollbars');
}

// prepend a 0 if the number is less than 10
function formatNumber(sNum) {
	sNum = sNum.toString();
	
	if (parseInt(sNum, 10) < 10) {
		return "0" + sNum;
	}
	return sNum;
}

// trim spaces before and after a string
function trim(sTemp) {
	// trim leading and trailing spaces for a string
	var regLeftBlanks = /\b[\w\W]+/;
	var regRightBlanks = /\s+$/;
	var regAllBlanks = /^\s+$/;
	var iLeftPos = -1;
	var iRightPos = -1;

	sTemp = sTemp.toString();
	// alert("The string is = *" + sTemp + "*");
	if (sTemp.length == 0) {
       	// empty string, do nothing
	    return "";
	}
	if (sTemp == null) {
		// null string, return 0 length string
		return "";
	}
	if (sTemp.match(regAllBlanks)) {
		// all blanks, return 0 length string
		return "";
	}
	iLeftPos = sTemp.search(regLeftBlanks);
	iRightPos = sTemp.search(regRightBlanks);
			
	if (iRightPos == -1) {
		iRightPos = sTemp.length;
	}
		
	return (sTemp.substring(iLeftPos, iRightPos));

}

function isBlank(_str) {
	if(_str == null)  {
		return true;
	} else {
		if (trim(_str).length == 0) {
			return true;
		} else {
			return false;
		}
	}
}

function setCookie(sName, sValue) {  
	if(getCookie(sName)==null) {
		if(isValidUsrURL(path)) {
			document.cookie = sName + "=" + escape(sValue) + "; " +
				"path=/; ";
		} else {
			domainname='.princess.com';
			document.cookie = sName + "=" + escape(sValue) + "; " +
				"path=/; domain=" + domainname + "; ";
		}		
	}
} 

function getCookie(sName) { 
	// cookies are separated by semicolons 
	var aCookie = document.cookie.split("; "); 
	for (var i=0; i < aCookie.length; i++) {
	 	// a name/value pair (a crumb) is separated by an equal sign 
		var aCrumb = aCookie[i].split("="); 
		if (sName == aCrumb[0]) {
			return unescape(aCrumb[1]); 
		} 
	}
	// a cookie with the requested name does not exist 
	return null; 
}

function deleteCookie(sName) {
	document.cookie = sName + "=; expires=Thu, 01-Jan-70 00:00:01 GMT";
}

function repaintScreen() {
	if (isNS4) {
		document.location.href = document.location.href;
	}
}

function getUrl() {
	var url = window.location.href;
	var pos = 0;
	
	pos = url.indexOf("/", 10);
	// alert (url.substring(0, pos + 1));
	return url.substring(0, pos + 1);
}

function isProductionURL(sURL) {
	
	for (var i=0; i < productionURLs.length; i++) {
		if (productionURLs[i] == sURL) {
			return true;
		}
	}
	
	return false;
}

function isStageURL(sURL) {
	for (var i=0; i < stageURLs.length; i++) {
		if (stageURLs[i] == sURL) {
			return true;
		}
	}
	
	return false;
}


function isDevURL(sURL) {
	
	for (var i=0; i < devURLs.length; i++) {
		if (devURLs[i] == sURL) {
			return true;
		}
	}
	
	return false;
}

function isValidUsrURL(sURL) {	
	if( sURL.indexOf("datl") != -1 || 
		sURL.indexOf("localhost") != -1 ||
		sURL.indexOf("172.29.") != -1 ||
		sURL.indexOf("192.168.") != -1 ) {
		return true;
	} else {
		return false;
	}
}

// puts the desired page in the address bar.
function writeBookUrl(pageNm) {
	if(pageNm.indexOf("http")!=-1) {
		parent.location.href=pageNm;
	} else {	
		parent.location.href=getBookUrl(getUrl())+pageNm;
	}
}	



// puts the desired page in the address bar.
function writeWWWUrl(pageNm) {
	if(pageNm.indexOf("http")!=-1) {
		parent.location.href=pageNm;
	} else {
		parent.location.href=getWWWUrl(getUrl())+pageNm;
	}
}


function getBookUrl(sURL) {
	if (isProductionURL(sURL)) {
		return productionURLs[1];
	} else if (isStageURL(sURL)){
		return stageURLs[1];
	} else if (isDevURL(sURL)){
		return devURLs[1];
	} else {
		return sURL;
	}
}

function getUnsecureBookUrl(sURL) {
	if (isProductionURL(sURL)) {
		return productionURLs[8];
	} else if (isStageURL(sURL)){
		return stageURLs[2];
	} else if (isDevURL(sURL)){
		return devURLs[2];
	} else {
		return sURL;
	}
}

function getWWWUrl(sURL) {
	if (isProductionURL(sURL)) {
		return productionURLs[0];
	} else if(isStageURL(sURL)){
		return stageURLs[0];
	} else if (isDevURL(sURL)){
		return devURLs[0];
	} else {
		return sURL;
	}
}


// trim leading whitespace char
function leftTrim(s) {
	var objRegExp = /^(\s*)(\b[\w\W]*)$/;
 
	if(objRegExp.test(s)) {
		//remove leading a whitespace characters
		s = s.replace(objRegExp, '$2');
	}
	return s;
}

// removes pattern from s
function removePattern(s, pattern) {
	// ex. removePattern(' sdfsdj  sdfsd', '\s*') to remove all spaces from the original string  

	var objRegExp =  new RegExp(pattern, 'gi' );
 
	//replace passed pattern matches with blanks
	return s.replace(objRegExp,'');
}


// global function to format 10 digit phone numbers
function formatPhoneNumber(phoneElement, countryCode) {
		var pn = phoneElement.value;
		if(isUSorCanada(countryCode)) {
			if(pn.length == 10) {
				var phone = "(" + pn.substring(0,3) + ")";
				phone += pn.substring(3,6) + "-" + pn.substring(6);
				phoneElement.value = phone;
			}
		}
}	


// global function to unformat 10 digit phone numbers
function unformatPhoneNumber(phoneElement, countryCode) {
		var pn = phoneElement.value;

		var whiteSpace = /\D/gi;
		pn = pn.replace(whiteSpace,"");

		// US/CA only
		if(isUSorCanada(countryCode)) {
			if(pn.length > 0 && pn.length != 10) {
				alert("Please ensure your phone number has exactly 10 digits, for example (555)123-4567.  Thank you.");
				phoneElement.focus();
				return false;
			}
		}

		phoneElement.value = pn;
		return true;
}


// Utility to determine if country code is US or Canada
function isUSorCanada(countryCode) {
	var c = countryCode.toUpperCase();
	
	if(c == "US" || c == "CA") { return true; }
	
	return false;
}

//trim leading and trailing white space of String
function trimBothEnds(sTemp) {
	// trim leading and trailing spaces for a string
	
	sTemp = sTemp.toString();
	// alert("The string is = *" + sTemp + "*");
	if (sTemp.length == 0) {
       	// empty string, do nothing
	    return "";
	}
	if (sTemp == null) {
		// null string, return 0 length string
		return "";
	}
	// all blanks, return 0 length string
	var bolAllBlanks = true;
	for (var i=0; i < sTemp.length; i++) {
		if (sTemp.charAt(i) != " ") {
			bolAllBlanks = false;
		}
	}
	if (bolAllBlanks) {
		return "";
	}
	var iNonBlankLeft  = -1;
	var iNonBlankRight = -1;

	for (var i=0; i < sTemp.length; i++) {
		if ((iNonBlankLeft == -1) && (sTemp.charAt(i) != " ")) {
			iNonBlankLeft = i;
			break;
		}
	}

	for (var i=sTemp.length - 1; i >= 0; i--) {
		if ((iNonBlankRight == -1) && (sTemp.charAt(i) != " ")) {
			if (i == sTemp.length - 1) {
				iNonBlankRight = sTemp.length;
			}
			else {
				if (i == 0) {
					iNonBlankRight = 1;
				}
				else {
					iNonBlankRight = i + 1;
				}
			}
		}
	}
	return (sTemp.substring(iNonBlankLeft, iNonBlankRight));
}