/* Reference Article:
Dustin Diaz:
http://www.dustindiaz.com/top-ten-javascript/
*/

/* addEvent: simplified event attachment */
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}
	
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
addEvent(window,'unload',EventCache.flush);

/* window 'load' attachment */
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

/* grab Elements from the DOM by className */
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

/* toggle an element's display */
function toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

/* insert an element after a particular node */
function insertAfter(parent, node, referenceNode) {
	parent.insertBefore(node, referenceNode.nextSibling);
}

/* Array prototype, matches value in array: returns bool */
Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};

/* get, set, and delete cookies */
function getCookie( 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;
	return unescape( document.cookie.substring( len, end ) );
}
	
function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}
	
function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

/* quick getElement reference */
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;
}

/*----------------------------------------------------------------------------\
|                             String Builder 1.02                             |
|-----------------------------------------------------------------------------|
|                         Created by Erik Arvidsson                           |
|                  (http://webfx.eae.net/contact.html#erik)                   |
|                      For WebFX (http://webfx.eae.net/)                      |
|-----------------------------------------------------------------------------|
*/
function StringBuilder(sString) {
	
	// public
	this.length = 0;
	
	this.append = function (sString) {
		// append argument
		this.length += (this._parts[this._current++] = String(sString)).length;
		
		// reset cache
		this._string = null;
		return this;
	};
	
	this.toString = function () {
		if (this._string != null)
			return this._string;
		
		var s = this._parts.join("");
		this._parts = [s];
		this._current = 1;
		this.length = s.length;
		
		return this._string = s;
	};

	// private
	this._current	= 0;
	this._parts		= [];
	this._string	= null;	// used to cache the string
	
	// init
	if (sString != null)
		this.append(sString);
}


function getMousePosition(e) {
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	if (e.pageX || e.pageY) 	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	{
		posx = e.clientX + document.body.scrollLeft
			+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop
			+ document.documentElement.scrollTop;
	}
return {"x":posx,"y":posy};
}

/** Brian's Stuff **/
  function bankerRound(v, places) {
   if(v==null|| places==null) return 0;
    var pw;
    var br
    var tmp = new Number(v);
    var tmps = new String(tmp.toString());
    var pos;
    var len;
    var noneed = 0;

    pos = tmps.indexOf(".");
    len = tmps.length;
    
    //number is already under required places
    if ((len-1-pos) <= places) return v
    //number is not a float
    if (pos == -1) return v

		pw = Math.pow(10,places);
		//Make sure no divide by 0 errors can occur
		if (pw == 0) return v;
		if(v < 0) {
		        r = Math.ceil(v * pw - 0.5);
		        br= r / pw;
		       }
		if(v > 0) {
		        r = Math.floor(v * pw + 0.5);
		        br = r / pw;
		}
    return br;
}

function unTruncate(num,places) {
   var ps;
   var ln;
   var df;
   var tmp = new Number(num);
   var tmps = new String(tmp.toString());
   var i;
   var sfx = "";
   var ut;
   ps = tmps.indexOf(".");
   ln = tmps.length;
   if (ps == -1) {
		sfx = ".";
		for(i=0; i<places; i++) {
			sfx += "0";
		}
   }
   else {
	if((ln-ps)-1 < places) {
		df = places - ((ln-ps)-1);
		for (i=0; i<df; i++){
			sfx += "0";
		}
	}
	else {
		sfx="";
	}
   }
	ut = tmps+sfx;
    return ut;
}


function getObjectXY(obj) 
{
    var x = findPosX(obj);
    var y = findPosY(obj);
    return {"x":x, "y":y};
}

	function findPosX(obj)
  	{
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }
  
  function trim(s)
{
    if(s==null || s=="") return "";
	var l=0; var r=s.length -1;
	while(l < s.length && s[l] == ' ')
	{	l++; }
	while(r > l && s[r] == ' ')
	{	r-=1;	}
	return s.substring(l, r+1);
}


String.prototype.trim = function() {
a = this.replace(/^\s+/, '');
return a.replace(/\s+$/, '');
};


function removeChildren(o) {
    while(o.hasChildNodes()) {
     o.removeChild(o.firstChild);
    }
}

function getEventTarget(e) {
	var targ;
	if (!e) var e = window.event;
	if (e.target) targ = e.target;
	else if (e.srcElement) targ = e.srcElement;
	if (targ.nodeType == 3) // defeat Safari bug
		targ = targ.parentNode;
		return targ;
}

String.prototype.fixUpperCase = function() {
    var tmpa = this.split(' ');
    var rs = "";
   for(i=0;i<tmpa.length;i++) {
    if(tmpa[i].length != 2 && isNaN(tmpa[i]) &&tmpa[i]!="") {
        rs+= tmpa[i].substring(0,1).toUpperCase() + tmpa[i].substring(1).toLowerCase();
    }
   else {
    rs += tmpa[i];
   } 

   if(i != tmpa.length-1) rs+=" ";
   } 
   return rs;
}