function ybFun_CustomFindAndReplace(searchText, replacement, searchNode) {
    if (!searchText || typeof replacement === 'undefined') {
        return;
    }

    var targetNum = searchText.toString();
    var provisionNum = replacement.toString();
    var delims = new Array();
    delims[0] = "";
    delims[1] = "-";
    delims[2] = ".";
    delims[3] = "\\s";
    for (var i = 0; i < delims.length; i++) {
      var delimToUse = (("." == delims[i]) ? "\\" : "")  + delims[i];
	  var delimToReplace = delims[i];
	  if (delimToReplace == "") {
		delimToReplace = "-";
	  }
	  if (delimToReplace == "\\s") {
		delimToReplace = " ";
	  }
        var newTargetNum = targetNum.substring(1, 4) + delimToUse + targetNum.substring(4, 7) + delimToUse + targetNum.substring(7, 11);
        var newProvisionNum = "";
        if (provisionNum.length > 0) {
            newProvisionNum = provisionNum.substring(1, 4) + delimToReplace + provisionNum.substring(4, 7) + delimToReplace + provisionNum.substring(7, 11);
        }
        ybFun_GenericFindAndReplace(newTargetNum, newProvisionNum);
    }
    var newTargetNum = '\\(' + targetNum.substring(1, 4) + '\\)\\s{0,}' + targetNum.substring(4, 7) + '-{0,1}\\.{0,1}\\s{0,}' + targetNum.substring(7, 11);
    var newProvisionNum = "";
    if (provisionNum.length > 0) {
        newProvisionNum = '(' + provisionNum.substring(1, 4) + ') ' + provisionNum.substring(4, 7) + '-' + provisionNum.substring(7, 11);
    }
    ybFun_GenericFindAndReplace(newTargetNum, newProvisionNum);
}

function ybFun_GenericFindAndReplace(searchText, replacement, searchNode) {
    var regex = typeof searchText === 'string' ? new RegExp(searchText, 'g') : searchText;
    var bodyObj = document.body;
    var content = bodyObj.innerHTML;
    if (regex.test(content)) {
        content = content.replace(regex, replacement);
        bodyObj.innerHTML = content;
    }
}

function ybFun_RetreiveQueryParams() {
    var qsParm = new Array();
    var query =parent.document.location.href;
    query = query.substring(query.indexOf('?') + 1, query.length);
    var parms = query.split('&');
    for (var i = 0; i < parms.length; i++) {
        var pos = parms[i].indexOf('=');
        if (pos > 0) {
            var key = parms[i].substring(0, pos);
            var val = parms[i].substring(pos + 1);
            val = val.replace("#", "");
            qsParm[key] = val;
        }
    }
    return qsParm;
}

var ybFindPhNums = [];
var ybReplacePhNums = [];

function ybFun_ReplaceText() {
    var qsParm = ybFun_RetreiveQueryParams();
    var useYB = qsParm['useYB'];
    var cookieUseYB = null;
    if (useYB == null) {
        cookieUseYB = ybFun_ReadCookie("useYB");
        if (cookieUseYB != null) {
            useYB = cookieUseYB;
        }
    }

    if (useYB != null) {
        ybFun_CreateCookie("useYB", useYB);
        if (ybFindPhNums == null || ybReplacePhNums == null || ybFindPhNums.length == 0 || ybReplacePhNums.length == 0
                || ybFindPhNums.length != ybReplacePhNums.length) {
            return;
        }
        if (useYB == '') {
            for (var i = 0; i < ybFindPhNums.length; i++) {
                ybFun_CustomFindAndReplace(ybFindPhNums[i], ybReplacePhNums[i]);
            }
        } else {
            var idxs = useYB.split(',');
            for (var i = 0; i < idxs.length; i++) {
                if (ybFun_IsDigit(idxs[i])) {
                    ybFun_CustomFindAndReplace(ybFindPhNums[(idxs[i] - 1)], ybReplacePhNums[(idxs[i] - 1)]);
                }
            }
        }
    }
}

function ybFun_IsDigit(strVal) {
    var reg = new RegExp("[0-9]");
    return (reg.test(strVal));
}

function ybFun_CreateCookie(name, value, days) {
    if (days == null) {
        days = 90;
    }
    var date = new Date();
    date.setTime( date.getTime() + (days * (24*60*60*1000)) );
    var expires = "; expires="+date.toGMTString();
    document.cookie = name + "=" + value + expires + "; path=/";
}

function ybFun_ReadCookie(name) {
	var nameLookup = name;
    var cookieArr = document.cookie.split(';');
	for(var i=0; i < cookieArr.length; i++) {
		var cookieNV = cookieArr[i];
		while (cookieNV.charAt(0) == " ") {
            cookieNV = cookieNV.substring(1, cookieNV.length);
        }
		if (cookieNV.indexOf(nameLookup + "=") == 0) {
            return cookieNV.substring( (nameLookup.length + 1) ,cookieNV.length);
        }
		if (cookieNV.indexOf(nameLookup) == 0) {
            return "";
        }
	}
	return null;
}

function ybFun_EraseCookie(name) {
	ybFun_CreateCookie(name, "", -1);
}