/* Shopping Cart Functions------------------------------------------------------------------------------------------------------------*/
/* Original Author */
/* ©2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */
/* Updated Author */
/* 2006 DVAN */

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();
}

/* Expand/Collapse Functions------------------------------------------------------------------------------------------------------------*/
/* Original Author */
/* Alf Magne Kalleland */
/* www.dhtmlgoodies.com */
/* Updated Author */
/* 2006 DVAN */

  var dhtmlgoodies_slideSpeed = 100;   // Higher value = faster
  var dhtmlgoodies_timer = 10;  // Lower value = faster

  var objectIdToSlideDown = false;
  var dhtmlgoodies_activeId = false;
  var dhtmlgoodies_slideInProgress = false;
  function showHideContent(e,inputId)
  {
     if(dhtmlgoodies_slideInProgress)return;
     dhtmlgoodies_slideInProgress = true;
     if(!inputId)inputId = this.id;
     inputId = inputId + '';
     var numericId = inputId.replace(/[^0-9]/g,'');
     var answerDiv = document.getElementById('dhtmlgoodies_a' + numericId);

     objectIdToSlideDown = false;

     if(!answerDiv.style.display || answerDiv.style.display=='none'){
        if(dhtmlgoodies_activeId &&  dhtmlgoodies_activeId!=numericId){
           objectIdToSlideDown = numericId;
           slideContent(dhtmlgoodies_activeId,(dhtmlgoodies_slideSpeed*-1));
        }else{

           answerDiv.style.display='block';
           answerDiv.style.visibility = 'visible';

           slideContent(numericId,dhtmlgoodies_slideSpeed);
        }
     }else{
        slideContent(numericId,(dhtmlgoodies_slideSpeed*-1));
        dhtmlgoodies_activeId = false;
     }
  }

  function slideContent(inputId,direction)
  {

     var obj =document.getElementById('dhtmlgoodies_a' + inputId);
     var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
     height = obj.clientHeight;
     if(height==0)height = obj.offsetHeight;
     height = height + direction;
     rerunFunction = true;
     if(height>contentObj.offsetHeight){
        height = contentObj.offsetHeight;
        rerunFunction = false;
     }
     if(height<=1){
        height = 1;
        rerunFunction = false;
     }

     obj.style.height = height + 'px';
     var topPos = height - contentObj.offsetHeight;
     if(topPos>0)topPos=0;
     contentObj.style.top = topPos + 'px';
     if(rerunFunction){
        setTimeout('slideContent(' + inputId + ',' + direction + ')',dhtmlgoodies_timer);
     }else{
        if(height<=1){
           obj.style.display='none';
           if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
              document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
              document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
              slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);
           }else{
              dhtmlgoodies_slideInProgress = false;
           }
        }else{
           dhtmlgoodies_activeId = inputId;
           dhtmlgoodies_slideInProgress = false;
        }
     }
  }



  function initShowHideDivs()
  {
     var navVersion = navigator.userAgent;
     var skipNextSearch = false;
     if(navVersion.indexOf('Netscape')==-1){
        skipNextSearch = true;

     }
     var divs = document.getElementsByTagName('DIV');
     var divCounter = 1;
     for(var no=0;no<divs.length;no++){
        if(divs[no].className=='dhtmlgoodies_question'){
           divs[no].onclick = showHideContent;
           divs[no].id = 'dhtmlgoodies_q'+divCounter;


           var answer = divs[no].nextSibling;
           if(!skipNextSearch){
              while(answer && answer.tagName!='DIV'){
                 answer = answer.nextSibling;
              }
           }
           answer.id = 'dhtmlgoodies_a'+divCounter;

           contentDiv = answer.getElementsByTagName('DIV')[0];
           contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px';
           contentDiv.className='dhtmlgoodies_answer_content';
           contentDiv.id = 'dhtmlgoodies_ac' + divCounter;
           answer.style.display='none';
           answer.style.height='1px';
           divCounter++;
        }
     }
  }
  window.onload = initShowHideDivs;