///THE PRIMARY COPY OF THIS SCRIPT LIBRARY RESIDES IN THE CTAS.NSF DB
function replaceSubstring(inputString, fromString, toString) {
   // Goes through the inputString and replaces every occurrence of fromString with toString
   var temp = inputString;
   if (fromString == "") {
      return inputString;
   }
   if (toString.indexOf(fromString) == -1) { // If the string being replaced is not a part of the replacement string (normal situation)
      while (temp.indexOf(fromString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(fromString));
         var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
         temp = toTheLeft + toString + toTheRight;
      }
   } else { // String being replaced is part of replacement string (like "+" being replaced with "++") - prevent an infinite loop
      var midStrings = new Array("~", "`", "_", "^", "#");
      var midStringLen = 1;
      var midString = "";
      // Find a string that doesn't exist in the inputString to be used
      // as an "inbetween" string
      while (midString == "") {
         for (var i=0; i < midStrings.length; i++) {
            var tempMidString = "";
            for (var j=0; j < midStringLen; j++) { tempMidString += midStrings[i]; }
            if (fromString.indexOf(tempMidString) == -1) {
               midString = tempMidString;
               i = midStrings.length + 1;
            }
         }
      } // Keep on going until we build an "inbetween" string that doesn't exist
      // Now go through and do two replaces - first, replace the "fromString" with the "inbetween" string
      while (temp.indexOf(fromString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(fromString));
         var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
         temp = toTheLeft + midString + toTheRight;
      }
      // Next, replace the "inbetween" string with the "toString"
      while (temp.indexOf(midString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(midString));
         var toTheRight = temp.substring(temp.indexOf(midString)+midString.length, temp.length);
         temp = toTheLeft + toString + toTheRight;
      }
   } // Ends the check to see if the string being replaced is part of the replacement string or not
   return temp; // Send the updated string back to the user
} // Ends the "replaceSubstring" function

function rightBack (strSource, strSearch) {
sourceStringBack = "";
searchStringBack = "";
result = "";
turn = "";
pos = -1;
for (i = strSource.length; i>-1; i--) {
sourceStringBack=sourceStringBack + strSource.charAt(i)
} //end for
for (i = strSearch.length; i>-1; i--) {
searchStringBack=searchStringBack + strSearch.charAt(i)
} //end for
pos = sourceStringBack.indexOf(searchStringBack);
result = sourceStringBack.substring(0,pos)
for (i = result.length; i>-1; i--) {
turn=turn + result.charAt(i)
}
return turn
}

function strLeft(sourceStr, keyStr){
return (sourceStr.indexOf(keyStr) == -1 | keyStr=='') ? '' : sourceStr.split(keyStr)[0];
}

function GAtrack (str) {
//this function just tracks main page opens in the ctas.nsf db
// take part of the url out so that it just shows the page name in GA
str=str.toUpperCase();
str=replaceSubstring(str, "HTTP://WWW.CTAS.TENNESSEE.EDU/PUBLIC/WEB/CTAS.NSF/", "");
str=replaceSubstring(str, "HTTP://WWW.CTAS.TENNESSEE.EDU./PUBLIC/WEB/CTAS.NSF/", "");
str=replaceSubstring(str, "HTTP://WWW.CTAS.UTK.EDU/PUBLIC/WEB/CTAS.NSF/", "");
str=replaceSubstring(str, "HTTP://WWW.CTAS.UTK.EDU//PUBLIC/WEB/CTAS.NSF/", "");
str=replaceSubstring(str, "HTTP://CTAS-NOTES.IPS.UTK.EDU/PUBLIC/WEB/CTAS.NSF/", "");
str=replaceSubstring(str, "HTTP://WWW.CTAS.UTK.EDU./PUBLIC/WEB/CTAS.NSF/", "");
str=replaceSubstring(str, "SEARCH/", "");
pageTracker._trackEvent("WEBSITE",str);
//alert("WEBSITE" + "/" + str);
}

function GAtrack2 (str2ndCategory, str2ndCategoryURL, strLabel, strAction) {
//change everything to caps
str2ndCategory=str2ndCategory.toUpperCase();
str2ndCategoryURL=str2ndCategoryURL.toUpperCase();
strAction=strAction.toUpperCase();
strLabel=strLabel.toUpperCase();
// track page open WebSite/Category/Title or WebSite/strAction/strLabel
pageTracker._trackEvent("WEBSITE",strAction, strLabel);
//alert("WEBSITE" + "/" + strAction + "/" + strLabel);
if (str2ndCategory=="DOWNLOADS") {
	var strFileName=rightBack (str2ndCategoryURL.toUpperCase(), "$FILE/");
	// tracks downloads -  Downloads/Category/Title or  str2ndCategory/strAction/strLabel
     if (strFileName=="") {
	  pageTracker._trackEvent(str2ndCategory,strAction + "-" + strLabel);
       //alert(str2ndCategory + "/" + strAction + "-" + strLabel);
}
	else {	
       pageTracker._trackEvent(str2ndCategory,strFileName, strAction + "-" + strLabel);
       //alert(str2ndCategory + "/" + strFileName + "/" + strAction + "-" + strLabel);
}}
else if (str2ndCategory=="EXTERNAL LINK") {
	//tracks external links - External Link/Category/URL or  str2ndCategory/strAction/str2ndCategoryURL
    pageTracker._trackEvent(str2ndCategory,str2ndCategoryURL,strAction + "-" + strLabel);
    //alert(str2ndCategory + "/" + str2ndCategoryURL + "/" + strAction + "-" + strLabel);
}
else if (str2ndCategory=="EMAIL") {
	//tracks external links - External Link/Category/URL or  str2ndCategory/strAction/str2ndCategoryURL
    pageTracker._trackEvent(str2ndCategory,str2ndCategoryURL, strAction + "-" + strLabel);
    //alert(str2ndCategory + "/" + str2ndCategoryURL + "/" + strAction + "-" + strLabel);
}}

function GAtrackNotesDb (strNotesDb, strLabel, strAction) {
//this function just tracks document opens
//change everything to caps
strNotesDb=strNotesDb.toUpperCase();
strAction=strAction.toUpperCase();
strLabel=strLabel.toUpperCase();
pageTracker._trackEvent(strNotesDb,strAction,strLabel);
//alert(strNotesDb + "/" + strAction + "/" + strLabel);
}

function GAtrackNotesDb2 (strNotesDb, str2ndCategory, str2ndCategoryURL, strLabel, strAction) {
//change everything to caps
str2ndCategory=str2ndCategory.toUpperCase();
str2ndCategoryURL=str2ndCategoryURL.toUpperCase();
strAction=strAction.toUpperCase();
strLabel=strLabel.toUpperCase();
strNotesDb=strNotesDb.toUpperCase();
// track page open WebSite/Category/Title or WebSite/strAction/strLabel
pageTracker._trackEvent(strNotesDb,strAction, strLabel);
//alert(strNotesDb + "/" + strAction + "/" + strLabel);
if (str2ndCategory=="DOWNLOADS") {
	var strFileName=rightBack (str2ndCategoryURL.toUpperCase(), "$FILE/");
	// tracks downloads -  Downloads/Category/Title or  str2ndCategory/strAction/strLabel
	if (strFileName=="") {
	  pageTracker._trackEvent(str2ndCategory,strAction + "-" + strLabel);
       //alert(str2ndCategory + "/" + strAction + "-" + strLabel);
}
	else {	
       pageTracker._trackEvent(str2ndCategory,strFileName, strAction + "-" + strLabel);
       //alert(str2ndCategory + "/" + strFileName + "/" + strAction + "-" + strLabel);
}}
else if (str2ndCategory=="EXTERNAL LINK") {
	//tracks external links - External Link/Category/URL or  str2ndCategory/strAction/str2ndCategoryURL
    pageTracker._trackEvent(str2ndCategory,str2ndCategoryURL,strAction + "-" + strLabel);
    //alert(str2ndCategory + "/" + str2ndCategoryURL + "/" + strAction + "-" + strLabel);
}
else if (str2ndCategory=="EMAIL") {
	//tracks external links - External Link/Category/URL or  str2ndCategory/strAction/str2ndCategoryURL
    pageTracker._trackEvent(str2ndCategory,str2ndCategoryURL, strAction + "-" + strLabel);
    //alert(str2ndCategory + "/" + str2ndCategoryURL + "/" + strAction + "-" + strLabel);
}}

function GAtrackExternalLink (extlink) {
var extlink2=extlink.toUpperCase();
pageTracker._trackEvent("EXTERNAL LINK",extlink2);
//alert("EXTERNAL LINK" + "/" + extlink2);
window.open(extlink);
}