var scanpos = 0;
// Populating Field Options
function start_wait(forid, strWait){
	if(strWait=="") strWait = "Loading...";
	clearOptions(forid);
	var myNewOption = new Option(strWait,strWait);	
	document.getElementById(forid).options[0] = myNewOption;
	document.getElementById(forid).value = strWait;
}

function clearOptions(forid){
	if(isAvailable(forid)){
		var aField = document.getElementById(forid);
		aField.options.length = 0;
	}
}

//for radio buttons and checkboxes
function setRCOptions(name, type, objDiv,tUrl, tWaitMsg, defaultPos, swap, exclude) {
if(swap == undefined) swap = false;
if(exclude == undefined) exclude = "";
AjaxRequest.get(
  {
    'url':tUrl
    ,'onLoading':function() { objDiv.innerHTML = tWaitMsg	  }
    ,'onSuccess':function(req){      		
    		objDiv.textContent = "";
    		objDiv.innerHTML = "";
		populateRC(name , type, objDiv, req.responseText.replace(exclude, ""), defaultPos, swap); }
    ,'timeout':60000		//timeout after a minute
    ,'onTimeout':function(req){ alert('Sorry, timed out! Please try again.'); }
    ,'onError':function(req){ 
	var tError = 'Error!\nStatusText='+req.statusText+'\nContents='+req.responseText; 
	alert(tError); }
  }
);
} //End function 

function clearRCOptions(aField, objDiv){	
	var html = objDiv.innerHTML
	var len = aField.length;
	var count = 0;
	var infiniteLoop = 1500		//if it gets to that count the is a problem
	while( len > 0 & count<infiniteLoop){
		html =  html.replace(new RegExp(aField[len-1].value,'gi'),"");		
		html =  html.replace(new RegExp(aField[len-1].text,'gi'),"");		
		aField[len-1].remove(len-1);
		len = aField.length
		count++;
	}
	
   	objDiv.innerHTML = html
   	objDiv.textContent = ""
}

// Return new array with duplicate values removed
Array.prototype.unique =  function() {
    var a = [];
    var l = this.length;
    for(var i=0; i<l; i++) {
      for(var j=i+1; j<l; j++) {
        // If this[i] is found later in the array
        if (this[i] === this[j])
          j = ++i;
      }
      a.push(this[i]);
    }
    return a;
  };

function populateRC(name,type, objDiv, strReturn, defaultPos, swap){
	if(swap == undefined ) swap = false;
	var aString=strReturn.split("&")
	var arrData = new Array();
	var tCount = 0;
	for (i = 0; i < aString.length; i++) {
    			var lString=aString[i].split(new RegExp( "[|~]{1}", "gi" ))
    			var tValue = "";
    			var tText = "";
			if(lString.length==2) {
				tText = lString[0];
				tValue = lString[1]; 
			}else{
				tText = lString[0];
				tValue = tText;
			}
			if(tText != "" & tValue != "") {
				if (!swap) arrData[tCount] = [tText,tValue]; else arrData[tCount] = [tValue,tText];
				tCount++;
			}
	} //end for loop
	addRC(type,name,name,arrData.sort(), objDiv, defaultPos)

} //End function

function setFieldOptions(forid, tUrl, tWaitMsg) {
AjaxRequest.get(
  {
    'url':tUrl
    ,'onLoading':function() {  start_wait(forid, tWaitMsg); }
    ,'onSuccess':function(req){  populateOptions(forid , req.responseText); }
     ,'timeout':60000		//timeout after a minute
    ,'onTimeout':function(req){ alert('Sorry, timed out! Please try again.'); }
    ,'onError':function(req){ 
	var tError = 'Error!\nStatusText='+req.statusText+'\nContents='+req.responseText; 
	alert(tError); }
  }
);
} //End function setOptions

function populateOptions(forid, strReturn){
	if(isAvailable(forid)){
		var aString=strReturn.split("&")
    		for (i = 0; i < aString.length; i++) {
    			var lString=aString[i].split(new RegExp( "[|~]{1}", "gi" ))
			var myNewOption = new Option(lString[1],lString[0]);
			document.getElementById(forid).options[i] = myNewOption
			if(i==0) document.getElementById(forid).value = lString[0];
		}
	}
}

//for flat options
function setFlatFieldOptions(forid, tUrl, tWaitMsg, defaultValues) {
	if(!isAvailable(forid)) return;
AjaxRequest.get(
  {
    'url':tUrl
    ,'onLoading':function() {  start_wait(forid, tWaitMsg); }
    ,'onSuccess':function(req){  populateFlatOptions(forid , req.responseText, defaultValues); }
     ,'timeout':60000		//timeout after a minute
    ,'onTimeout':function(req){ alert('Sorry, timed out! Please try again.'); }
    ,'onError':function(req){ 
	var tError = 'Error!\nStatusText='+req.statusText+'\nContents='+req.responseText; 
	alert(tError); }
  }
);
} //End function 

function populateFlatOptions(forid, strReturn, defaultValues){
	if(isAvailable(forid)){
		var tField = document.getElementById(forid);
		var aString=strReturn.split("&")
    		for (i = 0; i < aString.length; i++) {
    			var lString=aString[i].split(new RegExp( "[|~]{1}", "gi" ))
    			var tValue = "";
    			var tText = "";
			if(lString.length==2) {
				tText = lString[0];
				tValue = lString[1]; 
			}else{
				tText = lString[0];
				tValue = tText;
			}
			var myNewOption = new Option(tText,tValue);
			tField.options[i] = myNewOption	
			var tempVal = "";
			for(key in defaultValues){
				tempVal = defaultValues[key].toString();
				if(tempVal != "" & tempVal != undefined) if(tempVal.trim() == tText.trim() | tempVal.trim() == tValue.trim()) tField.options[i].selected = true;
			}
		}
		if(defaultValues == "undefined") tField.value = aString[i];
	}
}

/**
* Displaying embedded views 
**/

function jumpToView(id, path, dspid,waitid, tWaitMsg, tParams){
	if(tParams == undefined) tParams = '?openview';
	if(isAvailable(id)){
		var viewname = document.getElementById(id).value
		var sKey = path + "/" +  viewname.trim();
		var tUrl=path + "/" +  viewname.trim() + tParams;		
		if(isAvailable(dspid)) document.getElementById(dspid).style.display = 'none';
AjaxRequest.get(
  {
    'url':tUrl
    ,'onLoading':function() { wait_loading_view(waitid, tWaitMsg); }
    ,'onSuccess':function(req){  
    		var tResult = 	scanResult(req.responseText, sKey,id, path, dspid,waitid, tWaitMsg, tParams);
    		displayView(dspid , tResult, waitid); }
    ,'timeout':60000		//timeout after a minute
    ,'onTimeout':function(req){ alert('Sorry, timed out! Please try again.'); }
    ,'onError':function(req){ 
	var tError = '<center><div class="alert">\'Error!\nStatusText='+req.statusText+'\nContents='+req.responseText + "</div></center>"; 
	displayView(dspid,tError, waitid); }
  }
);
	} //End if statement
} // end function


function wait_loading_view(wid,tmsg){
	var loaddiv = document.getElementById(wid);
	loaddiv.style.display = "block";
	document.getElementById('loadingMsg').innerHTML = tmsg;
	
}
function displayView(dspid, content, twaitid){
	if(isAvailable(dspid)){
		document.getElementById(dspid).style.display = 'block';
		document.getElementById(twaitid).style.display= "none";
		//strip off the html, body, form tags and select only the result - as usual to try and make it work in IE.
		var tmp = getstr(content,"=start_result=","=end_result=");
		if (tmp != "") content = tmp;
		document.getElementById(dspid).innerHTML = content;
	}
} //End function displayView

function getstr(string,query1,query2) {
var startIndex =string.indexOf(query1,scanpos+1)+query1.length;
if(startIndex > query1.length){
var endIndex = string.indexOf(query2, startIndex + 1);
scanpos = endIndex;
}else {
	return "";
}
return string.substring(startIndex,endIndex);
} //End function getstr

function ajaxViewRecall(tUrl,id, path, dspid,waitid, tWaitMsg, tParams){
	if(tParams == undefined) tParams = '?openview';
	if(isAvailable(id)){
		var viewname = document.getElementById(id).value
		var tSkey=path + "/" +  viewname.trim(); //+ tParams;		
		if(isAvailable(dspid)) document.getElementById(dspid).style.display = 'none';
AjaxRequest.get(
  {
    'url':tUrl + tParams
    ,'onLoading':function() { wait_loading_view(waitid, tWaitMsg); }
    ,'onSuccess':function(req){  
    		var tResult = 	scanResult(req.responseText, tSkey,id, path, dspid,waitid, tWaitMsg, tParams);
    		displayView(dspid , tResult, waitid); }
    ,'timeout':60000		//timeout after a minute
    ,'onTimeout':function(req){ alert('Sorry, timed out! Please try again.'); }
    ,'onError':function(req){ 
	var tError = '<center><div class="alert">\'Error!\nStatusText='+req.statusText+'\nContents='+req.responseText + "</div></center>"; 
	displayView(dspid,tError, waitid); }
  }
);
	} //End if statement
} // end ajaxViewRecall function


function isPartialMatch(tvalue, key){
	var i = tvalue.toLowerCase().indexOf(key.toLowerCase());
	if(i >= 0) return true; else return false;
}
function scanResult(tResult, tKey,id, path, dspid,waitid, tWaitMsg, tParams){
/*
	- The form display views that are actually embedded on a form and called using ajax. When the person
	   clicks on the category to expand/collapse it, it needs to call the view using ajax again rather than simply opening the form with the embedded view
	-  So this function goes thru the category links and replace it with an onclick event that works the ajax way.
	> tResult: The resultant view served
	> tKey:	The link value to scan for and make it do an ajax call intead
*/
scanpos = 0;
tLinks = '';
var tExtract = getstr(tResult,"href=\"","\"")

while(tExtract != ""){
	//Check if it matches the key
	if(isPartialMatch(tExtract,tKey)){
		 tLinks += tExtract + "~";
	}
	
	//get the next possible link
	tExtract = getstr(tResult,"href=\"","\"");
}

//reset our pos value;
scanpos = 0;

var tLoop = tLinks.split('~');
for(i=0;i < tLoop.length;i++){
	var toReplace = tLoop[i]
	if(toReplace != ""){
		tResult = replaceSubstring ( tResult, "href=\"" + toReplace + "\"", " onclick=\"ajaxViewRecall('" + toReplace +"','" + id + "','"+path+"','" + dspid + "','" +waitid+"','" + tWaitMsg + "','" + tParams + "');return false;\" href=\"\"", false ) 
	}
}
return tResult;
}

function replaceSubstring ( inputString, badString, goodString, caseSensitive ) {
	//Taken from http://www.dominopower.com/issuesprint/issue200004/howto.html
	fixedReplace = " ";
	UI = inputString;
	UB = badString;

	if ((caseSensitive !=1) && (caseSensitive != true)) {
		UI = inputString.toUpperCase();
		UB = badString.toUpperCase();
	}

	badEnd = -1;
	badLoc = UI.indexOf(UB);

	if (badLoc != -1) {
		for (x=1; (badLoc != -1); x++) {
			fixedReplace = fixedReplace + inputString.substring((badEnd + 1), badLoc) + goodString
			badEnd = badLoc + UB.length - 1;
			badLoc = UI.indexOf(UB, (badLoc + 1)); 
		}
		fixedReplace = fixedReplace + inputString.substring((badEnd + 1), inputString.length); 
	} else { 
		fixedReplace = inputString; 
	}
	return fixedReplace;
}