/* functions for Search string prep DVD 11-04-06 CLEANED */

// Moved from SRT 
function phraseString(str) {
//Alert operators and set Advanced option
if (str.indexOf("\"") > -1) {alert(quotesMessage); stringType = "advanced"; return str;} 
//Alert operators
str = "\""+str+"\"";
return str;
//alert(str);
}

// Moved from SRT 
function SearchAndReplace(Content, SearchFor, ReplaceWith) {

   var tmpContent = Content;
   var tmpBefore = new String();
   var tmpAfter = new String();
   var tmpOutput = new String();
   var intBefore = 0;
   var intAfter = 0;

   if (SearchFor.length == 0)
      return;

   while (tmpContent.toUpperCase().indexOf(SearchFor.toUpperCase()) > -1) {
   
      // Get all content before the match
      intBefore = tmpContent.toUpperCase().indexOf(SearchFor.toUpperCase());
      tmpBefore = tmpContent.substring(0, intBefore);
      tmpOutput = tmpOutput + tmpBefore;

      // Get the string to replace
      tmpOutput = tmpOutput + ReplaceWith;

      // Get the rest of the content after the match until
      // the next match or the end of the content
      intAfter = tmpContent.length - SearchFor.length + 1;
      tmpContent = tmpContent.substring(intBefore + SearchFor.length);

   }

   return tmpOutput + tmpContent;

} 

function setOperators (str,myOp) {
  str = this != window? this : str;
var a = myOp;
var b = " ";
// Operator ck
if (a == "AND") 
   {
   var otherOp = " OR ";
   }
   else {var otherOp = " AND ";}

 if (str.toUpperCase().indexOf(otherOp.toUpperCase()) > -1) 
   {
alert(conflictMessage);
   } 
//END Operator ck

str = SearchAndReplace(str," "+a+" ",b); // temp REPLACE USER TYPED operators with spaces if in quotes

// TEST - tried to use replace function instaed of SearchAndReplace - works but str will be uppercase
//str = str.toUpperCase().replace(b+a+b,b); 
//alert('hi '+str);

str = str.replace(/^\s+/g, '').replace(/\s+$/g, ''); // DELETE spaces at start and end
return str.replace(/\s+/g, ' '+myOp+' '); // REPLACE all spaces with operators
}

/* functions fix Special words - operators etc DVD 10-04-06 */
function fixSpecial(Content) {
if (Content.toUpperCase().indexOf("FIELD") > -1) 
{
//alert(" FIELD "); 
Content = SearchAndReplace(Content.toUpperCase(),"FIELD","FIELD*");
}
if (Content.toUpperCase().indexOf("PARAGRAPH") > -1) 
{
//alert(" PARAGRAPH "); 
Content = SearchAndReplace(Content.toUpperCase(),"PARAGRAPH","PARAGRAPH*");
}
if (Content.toUpperCase().indexOf("SENTENCE") > -1) 
{
//alert(" SENTENCE "); 
Content = SearchAndReplace(Content.toUpperCase(),"SENTENCE","SENTENCE*");
}

return Content
}

function prepString(str,Op) {
var Content = str;
var myOp = Op;
//SPECIAL WORDS
Content = fixSpecial(Content);
//COMMAS
if (Content.toUpperCase().indexOf(",") > -1) 
{
alert(" COMMA "); 
Content = SearchAndReplace(Content.toUpperCase(),"\,","");
}
if (Content.indexOf("\"") > -1) 
{
 var tmpBefore = Content.substring(0,Content.indexOf("\""));
//alert("1 is \""+tmpBefore+"\"");
tempStr = Content.substring(tmpBefore.length+1,Content.length);
//alert("TEMP is \""+tempStr+"\"");
var tmpBtw = tempStr.substring(0 ,tempStr.indexOf("\""));
//alert("2 is \""+tmpBtw+"\"");
//return;
var tmpAfter =  tempStr.substring(tempStr.indexOf("\"")+1,tempStr.length);
//alert("3 is \""+tmpAfter+"\"");
//Alert operators and set Advanced option
if (tmpAfter.indexOf("\"") > -1) {alert(quotesMessage); stringType = "advanced"; return str;} 

tmpBefore = setOperators (tmpBefore,myOp);
tmpAfter = setOperators (tmpAfter,myOp);
if (tmpBtw != "") {
	if (tmpBefore != "") {
	tmpBtw = " "+myOp+" \""+tmpBtw;
	}
	else {
	tmpBtw = "\""+tmpBtw;
	}
	if (tmpAfter != "") {
	tmpBtw = tmpBtw+"\" "+myOp+" ";
	}
	else {
	tmpBtw = tmpBtw+"\"";
	}
}
newContent = tmpBefore+tmpBtw+tmpAfter;
} 
//IF NO QUOTES
else {newContent = setOperators (Content,myOp);}
//document.forms[0].left.value = newContent;
return newContent;
} 
//END FUNCT prepString

/* functions CREATE and READ cookies for forms - from www.irt.org/articles/js025 */
function Get_Cookie(name) {
    var start = document.cookie.indexOf(name+"=");
    var len = start+name.length+1;
    if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
    if (start == -1) return null;
    var end = document.cookie.indexOf(";",len);
    if (end == -1) end = document.cookie.length;
    cString = unescape(document.cookie.substring(len,end));
    getValues(cString)
}

function getValues(string) {
    getValue(string,"LocSearchString",   document.formloc.LocSearchString,   "text");
    getValue(string,"Category",    document.formloc.Category,    "radio");
    getValue(string,"Match",    document.formloc.Match,    "checkbox");
    getValue(string,"ViewCk",    document.formloc.ViewCk,    "checkbox");
    getValue(string,"searchBtnDate",    document.formloc.searchBtnDate,    "button");
    getValue(string,"searchBtnRev",    document.formloc.searchBtnRev,    "button");
    getValue(string,"year",    document.formloc.year,    "select");
}

function replace(string,text,by) {
// Replaces text with by in string
    var i = string.indexOf(text);
    var newstr = '';
    if ((!i) || (i == -1)) return string;
    newstr += string.substring(0,i) + by;

    if (i+text.length < string.length)
        newstr += replace(string.substring(i+text.length,string.length),text,by);
    
    return newstr;
}

function onCheck(string) { if (string == "on") return true; return false; }

function getValue(string,elementName,object,elementType) {
// gets value of elementName from string and populates object of elementType
//alert(string);
    var startPos = string.indexOf(elementName + "=")
    
    if (startPos > -1) {
        startPos = startPos + elementName.length + 1;
        var endPos = string.indexOf("£",startPos);
        if (endPos == -1) endPos = string.length;

        var elementValue = unescape(string.substring(startPos,endPos));
        
        if (elementType == "text")     object.value = elementValue;
        if (elementType == "password") object.value = elementValue;
//070606 use value for select - old - if (elementType == "select")   object.selectedIndex = elementValue;
if (elementType == "select")   object.value = elementValue;
        if (elementType == "checkbox") object.checked = elementValue;
        if (elementType == "radio")    object[elementValue].checked = true; 
      if (elementType == "button")    object.style.fontWeight = elementValue;        
    }
}