/*

			UNIVERSAL JAVASCRIPT CODE

Contains many different functions that can be used in various applications.

frm = window.document.forms[0];
servername = location.host;
protocol = 'http://';
formAction = false;
*/
var protocol;
var servername;
var doc;
var frm;
var formAction;

function logout() {
	window.open("\signin.nsf?logout", "_top" );
};

//START COOKIE MANAGER ************************************************************
function getCookieVal(offset){
//Get specified cookie's value
	var endstr=doc.cookie.indexOf(";", offset);
	if(endstr==-1) endstr=doc.cookie.length;
	return unescape(doc.cookie.substring(offset, endstr));
}
function getCookie(name) {
	var arg=name+"=";
	var alen=arg.length;
	var clen=doc.cookie.length;
	var i=0;
	while (i < clen) {
		var j=i+alen;
		if (doc.cookie.substring(i, j)==arg) return getCookieVal(j);
		i=doc.cookie.indexOf(" ", i)+1;
		if (i==0) break
	};
	return null;
}
function setCookie(cookieName, cookieValue) {
//Set specified cookies value
	doc.cookie = cookieName + "=" + cookieValue + "; path=/";
	return true;
}
function checkCookies() {
	//var x = getCookie('retPath');
	//alert ('Current return path: ' + x) // + ' -  document: ' + 
	//	document.cookie + '  -  doc: ' + doc.cookie);

	var nval = Math.floor(Math.random() * 1000000).toString();
	setCookie('checkCookie', nval);
	var x = getCookie('checkCookie');
	if (x == nval) {
		alert('Cookies are working. Return val: ' + x);
	} else {
		alert('Cookies don\'t seem to be enabled. Return val: ' + x);
	}
}
//END COOKIE MANAGER ************************************************************

//not sure what this is, but it is NOT universal! Not sure where it's used. 2009-02-26
function changeView (form) {
	var sel = form.fldSelectView.options[form.fldSelectView.selectedIndex].value;
	if (sel != '' && sel.charAt(0) != "-") {
		nURL = protocol + servername + '/' + form.fldDbName.value + '/' + sel + '?OpenView';
		window.location = nURL;
	}
};

//Used to refresh a form on the web using JavaScript in place of ViewRefreshFields
function refresh(frm) {
   var objCurrentFrame = frm;
   objCurrentFrame.__Click.value = '$Refresh';
   objCurrentFrame.submit();
}

function searchText (sScope, sString) {
//"/" + fldScope + "/?S;
//sScope = name of view to search
	var tmpScope;

	if (sScope == null) {
		tmpScope = '';
	} else {
		tmpScope = '/' + sScope;
	}
		
	if (sString =='') {
		alert('No search text entered...\nPlease enter search text in the QuickSearch box and try again.');
	} else {
		nURL = protocol + servername + '/' + frm.fldDbName.value + tmpScope + '?SearchView&Query=' + sString;
		window.location = nURL;
	}
}

function getRadioItem(item) {
/*
This function will get any radio field value and return the value of the option
*/
//t	if(isNaN(item.length))  {
//t		s=item.value+'!'
//t	}else{
		for (var i = 0; i < item.length; i++) {
			if (item[i].checked) {break;}
		}
//t	}
	return item[i].value;
}

function getCheckboxItem(item) {
/*
This function will get values of all checked boxes for any checkbox field and
return a string separated by semicolons
*/
	var s='';
	if(isNaN(item.length))  {
		//check if NaN first to see if there are one or more elements for this field.
		//if isNaN, then only zero or one items in list
		s=item.value+'!'
	}else{
		for (var i = 0; i < item.length; i++) {
			if (item[i].checked) {s=s+item[i].value+'!';}
		}
	}
	s = sLeft(s, s.length-1); //removes last separator mark
	return s;
}

function replaceString(oldStr,newStr,fullStr) {
/*
This function replaces oldS with newS in the string fullS, similar to 
@ReplacesSubstring in Formula language
- oldS is the string you want replaced
- newS is the string to replace it with
- fullS is the variable being are manipulating
*/
	parmArray=fullStr.split(oldStr);
	var qstring = parmArray.join(newStr);
	return qstring;
}

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 sLeft(str, n){
		 if (n <= 0)
		     return "";
		 else if (n > String(str).length)
		     return str;
		 else
		     return String(str).substring(0,n);
}

function sRight(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length) 
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(n+1, iLen);
//was: return String(str).substring(iLen, iLen - n);
    }
}

String.prototype.Trim = function() {
	//Use as: string.Trim()
	//trim blank spaces from either side of the string
	return this.replace(/(^\s*)|(\s*$)/g, '');
}
  
String.prototype.LTrim = function() {
	//Use as: string.LTrim()
	// trim blank space at the beginning
	return this.replace(/(^\s*)/g, '');
}
  
String.prototype.RTrim = function() {
	//Use as: string.RTrim()
	// trim blank space at the end
	return this.replace(/(\s*$)/g, '');
}

function searchString (frm) {
/*
This function creates the search string for the advanced search page. @URLOpen would not
work on the page, so needed to write in JS instead.
*/
	var dspCountNdx = frm.fldDisplay.selectedIndex;
	
//d alert(dspCountNdx);
	
	var dspCount = frm.fldDisplay.options[ dspCountNdx ].text;
	var connector;
	var searchStr = frm.fldWords.value;
	var maxResultsNdx = frm.fldMaxResults.selectedIndex;
	var maxResults = frm.fldMaxResults.options[ maxResultsNdx ].text;
	var radioItem = getRadioItem(frm.fldWType);
	
	if(radioItem == '1') {
		connector = ' AND ';
	} else if(radioItem == '2') {
		connector = ' OR ';
	} else {
		connector = ' ';
	}

	//Replace the blank characters in searchStr with the connector
	searchForStr = replaceString(" ", connector, searchStr);
	var fuzzy = (frm.fldFuzzy.checked) ? 'TRUE' : 'FALSE';
	var sort = getRadioItem(frm.fldRelevance);
	var wv = (frm.fldVariants.checked) ? 'TRUE' : 'FALSE';

	var nurl = './DefaultView/?SearchView&Query=' + searchForStr + '&Count=' + dspCount + 
		'&SearchFuzzy=' + fuzzy + '&SearchOrder=' + sort + '&SearchMax=' + maxResults + 
		'&SearchWV=' + wv;

	//alert(url1);

	window.location.href = nurl;
}