/* General */
function loadScript(url)
{
  var scr = document.createElement("script");
  scr.setAttribute("type", "text/javascript");
  scr.setAttribute("src", url);
  document.body.appendChild(scr); 
}

function limitText(limitField, countId, limitNum)
{
  var numleft = 0;
	if(limitField.value.length > limitNum)
		limitField.value = limitField.value.substring(0, limitNum);
	else
		numleft = limitNum - limitField.value.length;
	elem = document.getElementById(countId);
	elem.innerHTML = '' + numleft;
}

function clearSelect(sel)
{
  var total = sel.options.length;
  for(var i = total - 1; i >= 0; i--)
    sel.options[i] = null;
}

function getSelectSelectedValue(sel)
{
  var val = null;
  var idx = sel.selectedIndex;
  if(sel.options[idx])
    val = sel.options[idx].value;
  return val;
}

function getSelectSelectedText(sel)
{ 
  var text = '';
  var idx = sel.selectedIndex;
  if(sel.options[idx])
    text = sel.options[idx].text;
  return text;
}

function loadSelect(sel, id, selMap)
{
  var optionArr = selMap[id].split('|');
  var total = optionArr.length;
  for(var i = 0; i < total; i++)
  {
    var option = optionArr[i].split(':');
    var name = option[0];
    var id = option[1];
    if(selMap[id])
      name = name + ' ->';
    sel.options[i] = new Option(name, id);
  }
}

function updateSelect(sel, idx, selMap, selField, selDivId)
{
  var i;
  var isLeaf = true;
  var total = sel.length;
  for(i = idx + 1; i < total; i++)
  {
    if(sel[i])
    {
      sel[i].disabled = true;
      clearSelect(sel[i]);
    }
  }
    
  var id = getSelectSelectedValue(sel[idx]);
      
  if(id != null && selMap[id])
  {
    sel[idx + 1].disabled = false;
    loadSelect(sel[idx + 1], id, selMap);
  }
    
  var selBreadCrumb = '';
  for(i = 0; i <= idx; i++)
  {
    if(selBreadCrumb != '')
      selBreadCrumb += ' > ';
    selBreadCrumb += getSelectSelectedText(sel[i]).replace(/ ->/g, '');
  }
  selBreadCrumb = 'You selected: ' + selBreadCrumb;
  selField.value = id;

  selDiv = document.getElementById(selDivId);
  selDiv.innerHTML = selBreadCrumb;
}

/* End General */

/* Voting */

function pollVote(form)
{
  var pid = form.pid.value;
  var ptype = form.ptype.value;
  var curSack = new sack();
  curSack.setVar('ajax', 1);
  curSack.setVar('pview', form.pview.value);
  curSack.setVar('vsubmit', form.vsubmit.value);
  curSack.setVar('pid', pid);
  if(ptype == 2)
    curSack.setVar('panswer', form.panswer.value);
  else
  {
    if(form.pmultiple.value == 1)
      var answer = form.elements['paid[]'];
    else
      var answer = form.paid;
    var paid = '';
    for(i = 0; i < answer.length; i++)
    {
      if(answer[i].checked)
      {
        if(paid != '')
          paid = paid + ','
        paid = paid + answer[i].value;
      }
    }
    curSack.setVar('paid', paid);
  }
  curSack.requestFile = form.action;
  curSack.method = form.method;
  curSack.element = 'TWIIGSPOLL' + pid;
  curSack.onLoading = function() { displayVoteLoading(pid); };
  curSack.onCompletion = function() { };
  curSack.runAJAX();
    
  return false;
}

function pollView(form)
{
  var pid = form.pid.value;
  var curSack = new sack();
  curSack.setVar('ajax', 1);   
  curSack.setVar('pview', form.pview.value);
  curSack.setVar('pid', pid);
  curSack.requestFile = form.action;
  curSack.method = form.method;
  curSack.element = 'TWIIGSPOLL' + pid;
  curSack.onLoading = function() { displayVoteLoading(pid); };
  curSack.onCompletion = function() { };
  curSack.runAJAX();
  
  return false;
}

function displayVoteLoading(pid)
{
  var elem = document.getElementById('TWIIGSPOLL' + pid);
  elem.innerHTML = '<div class="TWIIGSPOLLloading"><img src="/img/loading.gif"> Loading...</div>';
}

/* End Voting */

/* Commenting */

function pollComment(form)
{
  var pid = form.pid.value;
  var curSack = new sack();
  curSack.setVar('ajax', 1);  
  curSack.setVar('csubmit', form.csubmit.value);
  curSack.setVar('cphrase', form.cphrase.value);
  curSack.setVar('pid', pid);
  curSack.setVar('pcomment', form.pcomment.value);
  curSack.requestFile = form.action;
  curSack.method = form.method;
  curSack.element = 'pollcomments' + pid;
  curSack.onLoading = function() { displayCommentLoading(pid); };
  curSack.onCompletion = function() { commentFormatting(); };
  curSack.runAJAX();
  
  return false;
}

function pollCommentView(form, page)
{
  var pid = form.pid.value;
  var curSack = new sack();
  curSack.setVar('ajax', 1);
  curSack.setVar('pid', pid);
  curSack.setVar('p', page);
  curSack.requestFile = form.action;
  curSack.method = form.method;
  curSack.element = 'pollcomments' + pid;
  curSack.onLoading = function() { displayCommentLoading(pid); };
  curSack.onCompletion = function() { commentFormatting(); };
  curSack.runAJAX();
  
  return false;
}

function displayCommentLoading(pid)
{
  var elemInput = document.getElementById('pollcommentinput' + pid);
  if(elemInput)
    elemInput.style.display = 'none';
  var elemLoading = document.getElementById('pollcommentloading' + pid);
  if(elemLoading)
    elemLoading.style.display = 'block';
}

function commentFormatting()
{
  Nifty('div.error', 'transparent');
}

/* End Commenting */

/* Poll Create */

function displayAnswers()
{
  var block = document.getElementById('createanswers');
  if(block)
    block.style.display = 'block';
}

function hideAnswers()
{
  var block = document.getElementById('createanswers');
  if(block)
    block.style.display = 'none';
}

function disableAddAnswers()
{
  var block = document.getElementById('addanswer');
  if(block)
    block.style.display = 'none';
}

function enableAddAnswers()
{
  var block = document.getElementById('addanswer');
  if(block)
    block.style.display = 'block';
}

function removeAnswer(idx)
{
  var i = idx;
  var input1 = document.getElementById('answerinput' + i);
  var block1 = document.getElementById('createanswer' + i);
  while(input1 && block1)
  {
    input1.value = '';

    var input2 = document.getElementById('answerinput' + (i + 1));
    var block2 = document.getElementById('createanswer' + (i + 1));
    if(input2 && block2)
    {
      if(block2.style.display == 'none' && input2.value == '')
      {
        block1.style.display = 'none';
        break;
      }
      input1.value = input2.value;
    }
    else
    {
      block1.style.display = 'none';
      break;
    }

    input1 = input2;
    block1 = block2;
    i++;
  }

  enableAddAnswers();
}

function addAnswer()
{
  var i = 1;
  var block = document.getElementById('createanswer' + i);
  while(block)
  {
    i++;
    var nextblock = document.getElementById('createanswer' + i);
    if(block.style.display == 'none')
  	{
      block.style.display = 'block';
      block = nextblock;
  	  break;
  	}
    block = nextblock;
  }
  if(!block)
    disableAddAnswers();
}

monthsofyear = new Array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
daysofweek = new Array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");

function updateExpirationDate(expDaysField, expDateId, expDaysFieldMin, expDaysFieldMax)
{
  var elem = document.getElementById(expDateId);
  expDays = parseInt(expDaysField.value);
  
  if(expDays)
  {
    if(expDays < expDaysFieldMin)
      expDays = expDaysFieldMin;
    if(expDays > expDaysFieldMax)
      expDays = expDaysFieldMax;
    expDaysField.value = expDays;
    
    var expDate = new Date();
    expDate.setDate(expDate.getDate() + parseInt(expDays));
    var mon = expDate.getMonth();
    var day = expDate.getDate();
    var year = expDate.getFullYear();
    var dow = expDate.getDay();
    var monabbrev = monthsofyear[mon];
    var dayofwk = daysofweek[dow];
    elem.innerHTML = dayofwk + ', ' + monabbrev + ' ' + day + ', ' + year;    
  }
  else
    elem.innerHTML = '?';
}

warnResetVotes = false;
warnResetVotesValues = new Array();
function warnOnChange(valuetype)
{
  warnResetVotes = true;
  if(!warnResetVotesValues[valuetype])
  {
    warnResetVotesValues[valuetype] = true;
    alert("Modifying the poll's " + valuetype + " will reset the voting back to zero.");
  }
}

function warnOnSubmit()
{
  if(warnResetVotes)
    return confirm("Submitting your modifications will reset the poll's voting to zero.  Are you sure you want to continue?");
  else
    return true;  
}

/* End Poll Create */

/* Nifty Corners Cube - rounded corners with CSS and Javascript
Copyright 2006 Alessandro Fulciniti (a.fulciniti@html.it)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

var niftyOk=(document.getElementById && document.createElement && Array.prototype.push);

String.prototype.find=function(what){
return(this.indexOf(what)>=0 ? true : false);
}

var oldonload=window.onload;
if(typeof(NiftyLoad)!='function') NiftyLoad=function(){};
if(typeof(oldonload)=='function')
    window.onload=function(){oldonload();NiftyLoad()};
else window.onload=function(){NiftyLoad()};

function Nifty(selector,options){
if(niftyOk==false) return;
var i,v=selector.split(","),h=0;
if(options==null) options="";
if(options.find("fixed-height"))
    h=getElementsBySelector(v[0])[0].offsetHeight;
for(i=0;i<v.length;i++)
    Rounded(v[i],options);
if(options.find("height")) SameHeight(selector,h);
}

function Rounded(selector,options){
var i,top="",bottom="",v=new Array();
if(options!=""){
    options=options.replace("left","tl bl");
    options=options.replace("right","tr br");
    options=options.replace("top","tr tl");
    options=options.replace("bottom","br bl");
    options=options.replace("transparent","alias");
    if(options.find("tl")){
        top="both";
        if(!options.find("tr")) top="left";
        }
    else if(options.find("tr")) top="right";
    if(options.find("bl")){
        bottom="both";
        if(!options.find("br")) bottom="left";
        }
    else if(options.find("br")) bottom="right";
    }
if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
v=getElementsBySelector(selector);
for(i=0;i<v.length;i++){
    FixIE(v[i]);
    if(top!="") AddTop(v[i],top,options);
    if(bottom!="") AddBottom(v[i],bottom,options);
    }
}

function AddTop(el,side,options){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
    color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
    }
else{
    bk=getParentBk(el); border=Mix(color,bk);
    }
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Top");
if(options.find("small")){
    d.style.marginBottom=(p-2)+"px";
    btype+="s"; lim=2;
    }
else if(options.find("big")){
    d.style.marginBottom=(p-10)+"px";
    btype+="b"; lim=8;
    }
else d.style.marginBottom=(p-5)+"px";
for(i=1;i<=lim;i++)
    d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingTop="0";
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,side,options){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
    color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
    }
else{
    bk=getParentBk(el); border=Mix(color,bk);
    }
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Bottom");
if(options.find("small")){
    d.style.marginTop=(p-2)+"px";
    btype+="s"; lim=2;
    }
else if(options.find("big")){
    d.style.marginTop=(p-10)+"px";
    btype+="b"; lim=8;
    }
else d.style.marginTop=(p-5)+"px";
for(i=lim;i>0;i--)
    d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingBottom=0;
el.appendChild(d);
}

function CreateStrip(index,side,color,border,btype){
var x=CreateEl("b");
x.className=btype+index;
x.style.backgroundColor=color;
x.style.borderColor=border;
if(side=="left"){
    x.style.borderRightWidth="0";
    x.style.marginRight="0";
    }
else if(side=="right"){
    x.style.borderLeftWidth="0";
    x.style.marginLeft="0";
    }
return(x);
}

function CreateEl(x){
return(document.createElement(x));
}

function FixIE(el){
if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
    el.style.display="inline-block";
}

function SameHeight(selector,maxh){
var i,v=selector.split(","),t,j,els=[],gap;
for(i=0;i<v.length;i++){
    t=getElementsBySelector(v[i]);
    els=els.concat(t);
    }
for(i=0;i<els.length;i++){
    if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight;
    els[i].style.height="auto";
    }
for(i=0;i<els.length;i++){
    gap=maxh-els[i].offsetHeight;
    if(gap>0){
        t=CreateEl("b");t.className="niftyfill";t.style.height=gap+"px";
        nc=els[i].lastChild;
        if(nc.className=="niftycorners")
            els[i].insertBefore(t,nc);
        else els[i].appendChild(t);
        }
    }
}

function getElementsBySelector(selector){
var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
if(selector.find("#")){ //id selector like "tag#id"
    if(selector.find(" ")){  //descendant selector like "tag#id tag"
        s=selector.split(" ");
        var fs=s[0].split("#");
        if(fs.length==1) return(objlist);
        f=document.getElementById(fs[1]);
        if(f){
            v=f.getElementsByTagName(s[1]);
            for(i=0;i<v.length;i++) objlist.push(v[i]);
            }
        return(objlist);
        }
    else{
        s=selector.split("#");
        tag=s[0];
        selid=s[1];
        if(selid!=""){
            f=document.getElementById(selid);
            if(f) objlist.push(f);
            return(objlist);
            }
        }
    }
if(selector.find(".")){      //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    if(selclass.find(" ")){   //descendant selector like tag1.classname tag2
        s=selclass.split(" ");
        selclass=s[0];
        tag2=s[1];
        }
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass==""){
    for(i=0;i<v.length;i++) objlist.push(v[i]);
    return(objlist);
    }
for(i=0;i<v.length;i++){
    c=v[i].className.split(" ");
    for(j=0;j<c.length;j++){
        if(c[j]==selclass){
            if(tag2=="") objlist.push(v[i]);
            else{
                v2=v[i].getElementsByTagName(tag2);
                for(k=0;k<v2.length;k++) objlist.push(v2[k]);
                }
            }
        }
    }
return(objlist);
}

function getParentBk(x){
var el=x.parentNode,c;
while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
    el=el.parentNode;
if(c=="transparent") c="#FFFFFF";
return(c);
}

function getBk(x){
var c=getStyleProp(x,"backgroundColor");
if(c==null || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
    return("transparent");
if(c.find("rgb")) c=rgb2hex(c);
return(c);
}

function getPadding(x,side){
var p=getStyleProp(x,"padding"+side);
if(p==null || !p.find("px")) return(0);
return(parseInt(p));
}

function getStyleProp(x,prop){
if(x.currentStyle)
    return(x.currentStyle[prop]);
if(document.defaultView.getComputedStyle)
    return(document.defaultView.getComputedStyle(x,'')[prop]);
return(null);
}

function rgb2hex(value){
var hex="",v,h,i;
var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
var h=regexp.exec(value);
for(i=1;i<4;i++){
    v=parseInt(h[i]).toString(16);
    if(v.length==1) hex+="0"+v;
    else hex+=v;
    }
return("#"+hex);
}

function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
    x=parseInt(c1.substr(1+step1*i,step1),16);
    if(step1==1) x=16*x+x;
    y=parseInt(c2.substr(1+step2*i,step2),16);
    if(step2==1) y=16*y+y;
    r[i]=Math.floor((x*50+y*50)/100);
    r[i]=r[i].toString(16);
    if(r[i].length==1) r[i]="0"+r[i];
    }
return("#"+r[0]+r[1]+r[2]);
}

/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* é2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */  
function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
 	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}