var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

Object.extend = function(destination, source) {
  for (property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Function.prototype.bind = function(object) {
  var __method = this;
  return function() {
    return __method.apply(object, arguments);
  }
}

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;
}

//-------------------------

document.getElementsByClassName = function(className) {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();

  for (var i = 0; i < children.length; i++) {
    var child = children[i];
    var classNames = child.className.split(' ');
    for (var j = 0; j < classNames.length; j++) {
      if (classNames[j] == className) {
        elements.push(child);
        break;
      }
    }
  }

  return elements;
}

//-------------------------

if (!window.Element) {
  var Element = new Object();
}

Object.extend(Element, {
  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
  },

  hasClassName: function(element, className) {
    element = $(element);
    if (!element)
      return;
    var a = element.className.split(' ');
    for (var i = 0; i < a.length; i++) {
      if (a[i] == className)
        return true;
    }
    return false;
  },

  addClassName: function(element, className) {
    element = $(element);
    Element.removeClassName(element, className);
    element.className += ' ' + className;
  },

  removeClassName: function(element, className) {
    element = $(element);
    if (!element)
      return;
    var newClassName = '';
    var a = element.className.split(' ');
    for (var i = 0; i < a.length; i++) {
      if (a[i] != className) {
        if (i > 0)
          newClassName += ' ';
        newClassName += a[i];
      }
    }
    element.className = newClassName;
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    for (var i = 0; i < element.childNodes.length; i++) {
      var node = element.childNodes[i];
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        Element.remove(node);
    }
  }
});


//effects library
var fx = new Object();
var cImg;
fx.Base = function(){};
fx.Base.prototype = {
    setOptions: function(options) {
    this.options = {
        duration: 500,
        interval: 20,
        onComplete: ''
    }
    Object.extend(this.options, options || {});
    },

    go: function() {
        this.duration = this.options.duration;
        this.startTime = (new Date).getTime();
        this.timer = setInterval (this.step.bind(this), this.options.interval);
    },

    step: function() {
        var time  = (new Date).getTime();
        var Tpos   = (time - this.startTime) / (this.duration);

        if (this.to==0 && (time>=((this.duration+this.startTime)-this.duration/10))){
            this.el.style.display='none';
        }

        if (time >= this.duration+this.startTime) {
			this.el.style.height = this.to + 'px';
            this.now = this.to;
            clearInterval (this.timer);
            this.timer = null;
            if (this.options.onComplete) setTimeout(this.options.onComplete.bind(this), 10);
        }
        else {
            this.now = ((-Math.cos(Tpos*Math.PI)/2) + 0.5) * (this.to-this.from) + this.from;
            this.increase();
            //this time-position, sinoidal transition thing is from script.aculo.us
        }



        /*
        if(this.now == this.to) {
            if (this.el.offsetHeight > 0) {
                document.getElementById(cImg).src=u.src;
            }
            else {
                document.getElementById(cImg).src=d.src;
            }
        }
        */
    },

    custom: function(from, to) {
        if (this.timer != null) return;
        this.from = from;
        this.to = to;
        this.go();

    },

    hide: function() {
        this.now = 0;
        this.increase();
    }

}

//stretchers
fx.Layout = Class.create();
fx.Layout.prototype = Object.extend(new fx.Base(), {
    initialize: function(el, options) {
        this.el = $(el);
        this.el.style.overflow = "hidden";
        this.el.iniWidth = this.el.offsetWidth;
        this.el.iniHeight = this.el.offsetHeight;
        this.setOptions(options);
    }
});

fx.Height = Class.create();
Object.extend(Object.extend(fx.Height.prototype, fx.Layout.prototype), {
    increase: function() {
        if(this.now>1) this.el.style.height = this.now + "px";
    },


    toggle: function(source,hideOnly) {
        if (this.el.offsetHeight > 0) {
			document.getElementById('SC'+source).innerHTML='&#8744;';
			document.getElementById('C'+source).style.backgroundColor='';
			document.getElementById('C'+source).style.borderTop='0px';
			document.getElementById('C'+source).style.borderBottom='0px';
			document.getElementById('C'+source).style.fontWeight='normal';
            this.custom(this.el.offsetHeight, 0);
        }
        else if (hideOnly===null || hideOnly!==true){
			document.getElementById('C'+source).style.borderTop='1px solid #CCCCCC';
			document.getElementById('C'+source).style.borderBottom='1px solid #CCCCCC';
			document.getElementById('C'+source).style.fontWeight='bold';
			document.getElementById('SC'+source).innerHTML='&#8743;';
            if(source!=null) this.el.innerHTML=document.getElementById(source).innerHTML;
            this.el.style.height='1px';
            this.el.style.display='block';
            //this.el.style.height='1px';
            this.custom(0, this.el.scrollHeight+10);

        }
    }
});

function instAJAX() {
   var request = false;
   try {
     request = new XMLHttpRequest();
   } catch (trymicrosoft) {
     try {
       request = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (othermicrosoft) {
       try {
         request = new ActiveXObject("Microsoft.XMLHTTP");
       } catch (failed) {
         request = false;
       }
     }
   }

   if (!request)
     alert("Error initializing XMLHttpRequest!");

   return request;
}


function doAddEntryOptions(sel){
	var subcat    = document.getElementById('subcat');
	var subcatVal = subcat.options[subcat.selectedIndex].value;

	if(subcatVal != 'MAKESELECT'){
		var ajaxObj = instAJAX();
		var url     = 'http://www.doctorwhotoybox.co.uk/index.php/page/itemt/subcat/' + subcatVal;

		ajaxObj.open("GET", url, true);
		ajaxObj.onreadystatechange = changeTitleSelect;
		ajaxObj.send(null);
	}


	function changeTitleSelect() {
		if (ajaxObj.readyState == 4){
			document.getElementById('formItemFields').style.display='block';
			var list    = ajaxObj.responseXML;
			var coptions = list.childNodes[0];
			var field   = document.getElementById('variant');

			while(field.childNodes.length>0){
				field.removeChild(field.childNodes[0]);
			}

			for(i=0; i<coptions.childNodes.length; i++) {
				var ttn  = coptions.childNodes[i];
				var opt  = document.createElement('option');
				var optT = document.createTextNode(ttn.firstChild.nodeValue);
				var val  = ttn.getAttribute('value');
				opt.setAttribute('value',val);

				if (val == sel)	{
					opt.setAttribute('selected','selected');
				}

				opt.appendChild(optT);
				field.appendChild(opt);
			}
		}
	}
}

function clearForm(formId){
	var form = document.getElementById(formId);

	var input = form.getElementsByTagName('input');

	for(i=0; i<input.length; i++) {
		var type = input[i].attributes['type'].nodeValue.toLowerCase();
		if(type!='hidden' && type!='submit' && type!='reset' && type!='button'){
			input[i].value='';
		}
	}

	var textarea = form.getElementsByTagName('textarea');

	for(i=0; i<textarea.length; i++) {
		textarea[i].value='';
	}

	var select = form.getElementsByTagName('select');

	for(i=0; i<select.length; i++) {
		select[i].options[0].selected=true;
	}
}


function showDay(no) {
	var fi = document.getElementById('day');
	var le = fi.options.length;

	for(i=0; i<le; i++){
		if(fi.options[i].value == no){
			fi.options[i].selected = true;
		}
	}
}


function showMonth(no) {
	var fi = document.getElementById('month');
	var le = fi.options.length;

	for(i=0; i<le; i++){
		if(fi.options[i].value == no){
			fi.options[i].selected = true;
		}
	}
}


function showYear(rawno){
	var no = (parseInt(rawno)-1963)+1;
	if(no > 0){
		document.getElementById('year').options[no].selected = true;
	}
}