/* eGR JS v2.0 Dec-2006 */

var ie=document.all?1:0
var ff =document.getElementById&&!document.all?1:0

var maxMyEntries = 10;
var flag = 0;
var cookieName = "MyEGR";
var ctName = "myBox";
var opName = "myBoxInner";
var bx = false;
var tout;
var df = document.forms[0];
var totDocs = 0;

var myMessageText = '<font style="font-size:11px;">The <i>My eGR</i> folder lets you store 10 links to your most used pages. Click <font color=#DD0000>Add this page to "My eGR"</font> on any page to save the link. Please select a destination from the list below, or click "remove" to delete an entry ...</font>'

function $() {
  var elements = new Array();
  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);
    if (arguments.length == 1) 
      return element;
    elements.push(element);
  }
  return elements;
}

function qS(key){
	var q = window.location.search.substring(1);
	var p = q.split('&');
	for(x=0; x<p.length;x++){
		var pair = p[x].split('=');
		if(pair[0] == key) return pair[1];
	}
}

/* Searches */
function doSearch(s){
 if(s == '')
	 { 
			alert('Please enter a search query ...'); 
			return false;
  	 }  
	 else if(s.toLowerCase() == 'brent') 
	 { 
		alert('Searches for Brent have been disabled ...'); 
		return false;
	}
      else
	{ 
           window.location='/egr.nsf/SearchAll?SearchView&Query=(' + s + ')&SearchOrder=1&SearchWV=TRUE&SearchThesaurus=FALSE&SearchFuzzy=FALSE&Start=1&Count=20'; return false;
	}    
}

/* My eGR */

function openMyBox(opt, preRun) {

	var box = $(ctName);
	var divs = box.getElementsByTagName('div');
	if(bx == false || opt == true){
		readMyCookie();
		for(d=0; d<divs.length; d++) divs[d].style.cssText = 'visibility:visible';
		if(preRun) eval(preRun);
		box.style.cssText = 'display:block;';
		bx = true;
	}else{
		for(d=0; d<divs.length; d++) divs[d].style.cssText = 'visibility:hidden';
		box.style.cssText = 'display:none;';
		bx = false;
	}
}

function setMyCookie()
{
	var topCookie = 0;
	var jumpEntry = 0;
 	for (var i = 1; i <= maxMyEntries; i++)
		if (document.cookie.indexOf(cookieName + i) >= 0) topCookie = i;
  
	if (topCookie >= maxMyEntries)
		alert('You\'ve already added ' + maxMyEntries + ' pages to My EGR - please remove some entries before adding any more ...');
	else
	{
		jumpEntry = (topCookie + 1);
		document.cookie=cookieName + jumpEntry + "=" + location.href + "|||" + document.title + "; expires=Monday, 04-Apr-2040 05:00:00 GMT; path=/";
		urlstring=window.location.pathname.slice(0,window.location.pathname.lastIndexOf('nsf'));
		openMyBox(true, 'showTab(\'myBox\', \'mbtab1\', \'myBoxInner\');');
	}
}

function readMyCookie()
{
	var cookieStart = 0;
	var cookieEnd = 0;
	var concan="";
	var tempStrip;
	var theURL = new Array (maxMyEntries);
	for (var i = 1; i <= maxMyEntries; i++)
	{ 
		cookieStart = document.cookie.indexOf(cookieName + i);
		if (cookieStart >= 0)
		{
			cookieEnd = document.cookie.indexOf(";", cookieStart);
			if (cookieEnd < 0) cookieEnd = document.cookie.length;
			
			tempStrip = document.cookie.substring(cookieStart, cookieEnd);
			theIndex = tempStrip.substring(tempStrip.indexOf(cookieName)+7, tempStrip.indexOf('='));
			theURL[i] = tempStrip.substring(tempStrip.indexOf('=')+1, tempStrip.indexOf('|||'));
			theTitle = tempStrip.substring(tempStrip.indexOf('|||')+3, tempStrip.length);
			concan = concan + '<div><a href="javascript:removeMyEntry(\''+cookieName+i+'\');">remove</a>&nbsp;<a href="'+theURL[i]+'">'+ theTitle + '</a></div>';
			flag = 1;
		}
	}

	if (flag == 1)
		flag = 0;
	else
		concan = "You have no saved entries ...";
		
	$(opName).innerHTML = myMessageText + '<br><br><div id="scrollMyBox">' + concan + '</div>';
	showTab('myBox', 'mbtab1', 'myBoxInner');
}

function removeMyEntry(tag)
{
  	document.cookie= tag + "=" + location.href + "|||" + document.title + "; expires=Monday, 04-Apr-1970 05:00:00 GMT; path=/";
	readMyCookie();
}

/* My Defaults */

function readMyDefs()
{
	//Do LA
	selectValue("LA", df.Fav_LA);
	
	//Do Supplier
	selectValue("Supplier", df.Fav_Supplier);
	
	//Do Product
	selectValue("Product", df.Fav_Product);
	
	//Do Group
	selectValue("Group", df.Fav_Group);
}

function selectValue(ix, selectBox)
{
	cookieStart = document.cookie.indexOf(ix);
	if(cookieStart >= 0){
		cookieEnd = document.cookie.indexOf(";", cookieStart);
		if(cookieEnd < 0){cookieEnd = document.cookie.length;}	
		var value = document.cookie.substring(cookieStart+1+ix.length, cookieEnd)
		for(x = 0; x < selectBox.options.length; x++)
		{
			if(selectBox.options[x].value == value){
				selectBox.options[x].selected = true;
			}
		}
	}
}

function addDefault(tag, data)
{
	cookDate = (data != "No Default")? "2040":"1970";
	document.cookie= tag + "=" + data + "; expires=Monday, 04-Apr-" + cookDate + " 05:00:00 GMT; path=/";
}

function flashTxt(txt, aDiv)
{
		if(flash == flashTot)
		{
			window.clearInterval(tID);
			aDiv.innerHTML = '';
			tID = '';
			flash = 0;
		}
		else
		{
			if(aDiv.innerHTML == '')
			{
				aDiv.innerHTML = txt;
				flash++;
			}
			else
			{
				aDiv.innerHTML = '';
			}
		}
}

function doDefaults()
{
	addDefault('LA', df.Fav_LA[df.Fav_LA.selectedIndex].value);
	addDefault('Supplier', df.Fav_Supplier[df.Fav_Supplier.selectedIndex].value);
	addDefault('Product', df.Fav_Product[df.Fav_Product.selectedIndex].value);
	addDefault('Group', df.Fav_Group[df.Fav_Group.selectedIndex].value);
	$('processed').innerHTML = procTxt;
	if(!tID)
	{
		flash = 0;
		tID = window.setInterval("flashTxt(procTxt, $('processed'))",400);	
	}
}



/* Tabbing */

function showTab(inp, tab, oup, trig){
	if(trig) eval(trig);
	zone = $(inp);
	cRows = zone.getElementsByTagName('div');
	for(x=0; x<cRows.length; x++){
		if(cRows[x].className=='contentRow'){
			var rows = cRows[x].getElementsByTagName('div');
			if(cRows[x].id == oup)
				cRows[x].style.display = 'block';
			else
				cRows[x].style.display = 'none';
			
		}
		if(cRows[x].className == "tabOff" || cRows[x].className == "tabOn"){
			if(cRows[x].id == tab)
				cRows[x].className = "tabOn";
			else
				cRows[x].className = "tabOff";
		}
	}
	
}

/* Row Cols */

function prepareView(elm, view, classA, classB){
	v = $(view);
	if(v){
		cRows = v.getElementsByTagName('div');
		for(x=0; x<cRows.length; x++)
			if(cRows[x].className.indexOf(elm) >= 0)
				cRows[x].className = x%2?classA:classB;
	}
}

/* View Handler */
function viewCount(view, vS, vC, cat, wv){

	v = (view.indexOf('&View=')==-1?view:view.substring(view.indexOf('&View=')+6, view.length)) + '?ReadViewEntries&ExpandView&Count=10000' + (cat?'&RestrictToCategory='+cat:'');

//alert(v);

	if(view.indexOf('&View=')!=-1) 
		view += '&RestrictToCategory=' + cat;
	else
		view += '?OpenView';
		

	var sCall = new AJAXInteraction(v, function(op, stat){	
		tag = op.toLowerCase().indexOf('toplevelentries');
		totDocs = op.substring(tag+17, op.indexOf('"', tag+17));
		ct = totDocs / vC;
		adt = (ct == Math.floor(ct))?0:1;
		totPage = Math.floor(ct) + adt;
		cP = (Math.floor(vS / vC) + 1);
		var pC = new Array;
		
		if((vS + vC) >= totDocs){
			$('nLink').innerHTML = "Next >";
			$('nLinkL').innerHTML = "Next >";
		}
		
		if(totDocs != '.0'){
			if(!wv){
				dropBuild = '<select class="pageDrop" id="pageDrop" onChange="window.location=this.options[this.selectedIndex].value;">'
				view = view.indexOf('SCV')!=-1?view.replace('RestrictToCategory', 'Category'):view;
				view = view.indexOf('Start=')!=-1?view.substring(0, view.indexOf('&Start=')):view;
				for(x=1; x<=totPage;x++) dropBuild += '<option value="' + view + '&Start=' +  ((vC*x) + 1 - vC) + '&Count=' + vC  + '">' + x;
				dropBuild += '</select>'
			
				$('nCount').innerHTML = "Page " + dropBuild + " of " + totPage + " (" + totDocs + " records)";
				$('pageDrop').selectedIndex = cP-1;
			}else{
				$('nCount').innerHTML = totDocs + " records";
			}
		}
	}); 
	sCall.doGet();
}

function cView(z){
	v = $(z);
	if(v)
		if(v.innerHTML.indexOf('>No documents found</') > -1)
			v.innerHTML = '<br><span class="noViewData">Sorry, there is no data available for this request ...</span>';
}


/* AJAX */

function AJAXInteraction(url, callback, opt) {

    function processRequest () {
      if (req.readyState == 4) {
          if (callback) callback(req.responseText, req.status, opt); 
          req=null;
      }
    }  
   
    var req = init();
    req.onreadystatechange = processRequest;
        
    function init() {
      if (window.XMLHttpRequest)
        return new XMLHttpRequest();
      else if (window.ActiveXObject)
        return new ActiveXObject("Microsoft.XMLHTTP");
    }
        
    this.doGet = function() {
		req.open("GET", url, true);
		req.send(null);
    }
    
    this.doPost = function(body) {
      req.open("POST", url, true);
      req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
      req.send(body);
    }
}


/* XML Handling */

function XMLHandler(op, stat, retFunc){

	if(stat == 200){

		var xmlDoc = createXML(op);
		errors = xmlDoc.getElementsByTagName('error');

		if(errors.length == 0){
			var glb = this;
			var doIt = glb[retFunc];
			doIt(xmlDoc);
		}else
			handleError(errors[0].firstChild.text + ' (Line : ' + errors[0].getAttribute('line') + ')');
			
	}else{
		 handleError('ERROR ' + stat + ' : Your server returned an error.\n\nAn administrator has been notified of the problem, but please still log a call for assistance ...');	 
	}	
	
}

function createXML(op){
	var ief = true;

	if (window.ActiveXObject){
		  xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
		  xmlDoc.async=false;
	 }else if (document.implementation && document.implementation.createDocument){
	 	  xmlDoc= document.implementation.createDocument("","",null);
 		  ief = false;
	 }else
		  handleError('ERROR : Your browser is not compatible with this system.\n\nPlease contact  your Administrator ...');
   		 
  	if(ief)
		xmlDoc.loadXML(op);
	else{
		var oParser = new DOMParser();
		xmlDoc = oParser.parseFromString(op, "text/xml");
	}
	
	
	  errors = xmlDoc.getElementsByTagName('error'); 
        
	 if(errors.length == 0) 
            return xmlDoc
      else 
        handleError(errors(0).firstChild.text + ' (Line : ' + errors(0).getAttribute('line') + ')'); 


}

function findPosX(obj) 
{ 
        var curleft = 0; 
        if (obj.offsetParent) 
                while (obj.offsetParent) 
                { 
                        curleft += obj.offsetLeft 
                        obj = obj.offsetParent; 
                } 
        else if (obj.x) 
                curleft += obj.x; 
        return curleft; 
} 

function findPosY(obj) 
{ 
        var curtop = 0; 
        if (obj.offsetParent) 
                while (obj.offsetParent) 
                { 
                        curtop += obj.offsetTop 
                        obj = obj.offsetParent; 
                } 
        else if (obj.y) 
                curtop += obj.y; 
        return curtop; 
} 

var egb;
BookMark = function(){
               this._url = window.location.toString().replace('www.brent.gov.uk', 'www.egovregister.org');
               this._title = document.title;
			this._registerEvents();
};

BookMark.prototype._registerEvents = function(){
                var elts = ['digg', 'delicious', 'technorati', 'reddit', 'stumbleupon'];                 
                for(var e in elts){
                	am = elts[e].toString();
                	if(document.addEventListener)
                         $(elts[e]).addEventListener('onclick', function(e) { egb._popUpWindow(this.id); return false; },false);
                     else
                     	$(elts[e]).onclick = function(e) { egb._popUpWindow(this.id); return false; } 
                };
};

BookMark.prototype._popUpWindow = function(service){
                var servUrl;
                var o = new Object();
                switch(true){
                                 case service == "delicious":
                                 servUrl = "http://del.icio.us/post?v=4&noui&jump=close&url=" + this._url + "&title=" + this._title;
                                 break;
                                 
                                 case service == "digg":
                                 servUrl = "http://digg.com/remote-submit?phase=2&url=" + this._url + "&title=" + this._title;
                                 break;                                  
                                 
                                 case service == "reddit":
                                 servUrl = "http://reddit.com/submit?url=" + this._url + "&title=" + this._title;
                                 break;
                                 
                                 case service == "technorati":
                                 servUrl = "http://www.technorati.com/faves?add=" + this._url;
                                 break;
                                 
                                 case service == "stumbleupon":
                                 servUrl = "http://www.stumbleupon.com/submit?url=" + this._url + "&title=" + this._title;
                                 break;
                                 
                                 default:
                                 break;
                                 
                };
                window.open(servUrl, service, 'width=700');
};