var ElementMaxHeight = function() {
  this.initialize.apply(this, arguments);
}

ElementMaxHeight.prototype = {
  initialize: function(className) {
    this.elements = document.getElementsByClassName(className || 'maxheight');    
    this.textElement = document.createElement('span');
    this.textElement.appendChild(document.createTextNode('A'));
    this.textElement.style.display = 'block';
    this.textElement.style.position = 'absolute';
    this.textElement.style.fontSize = '1em';
    this.textElement.style.top = '-1000px';
    this.textElement.style.left = '-1000px';
    document.body.appendChild(this.textElement);
    this.textElementHeight = document.getDimensions(this.textElement).height;
    var __object = this;
    var __checkFontSize = this.checkFontSize;
    this.checkFontSizeInterval = window.setInterval(function() {return __checkFontSize.apply(__object)}, 500);

    this.expand();

    // Refresh elements height onResize event
    var __expand = this.expand;
    if (window.addEventListener) {
      window.addEventListener('resize', function(event) {return __expand.apply(__object, [( event || window.event)])}, false);
    } else if (window.attachEvent) {
      window.attachEvent('onresize', function(event) {return __expand.apply(__object, [( event || window.event)])});
    }
  },

  expand: function() {
    this.reset();
  	for (var i = 0; i < this.elements.length; i++) {  	
      this.elements[i].style.height = document.getDimensions(this.elements[i].parentNode).height + 'px';
  	}
  },

  reset: function() {
    for (var i = 0; i < this.elements.length; i++) {    
      this.elements[i].style.height = 'auto';
    }
  },

  checkFontSize: function() {
  	var height = document.getDimensions(this.textElement).height;
  	if(this.textElementHeight != height) {
  		this.textElementHeight = height;
  		this.expand();
  	}
  }  
}


if (!!document.evaluate) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, parentElement || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(query.snapshotItem(i));
    return results;
  }
}

document.getElementsByClassName = function(className, parentElement) {
  if (!!document.evaluate) {
    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
    return document._getElementsByXPath(q, parentElement);
  } else {
    var children = (parentElement || document.body).getElementsByTagName('*');
    var elements = [], child;
    for (var i = 0, length = children.length; i < length; i++) {
      child = children[i];
      if (child.className.length != 0 &&
          (child.className == className ||
           child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))) {      
        elements.push(child);
      }
    }
    return elements;
  }
}

document.getDimensions = function (element) {
  var display = element.style.display;
  if (display != 'none' && display != null) { // Safari bug
    return {width: element.offsetWidth, height: element.offsetHeight};
  }

  return {width: originalWidth, height: originalHeight};
}

// JavaScript Document

function show(divId) { 
	if (document.layers) document.layers[divId].visibility = 'show'; 
	else if (document.all) document.all[divId].style.visibility = 'visible'; 
	else if (document.getElementById) document.getElementById(divId).style.visibility = 'visible'; 
} 

function hide(divId) { 
	if (document.layers) document.layers[divId].visibility = 'hide'; 
	else if (document.all) document.all[divId].style.visibility = 'hidden'; 
	else if (document.getElementById) document.getElementById(divId).style.visibility = 'hidden'; 
} 

// Simple JavaScript Rotating Banner Using jQuery
// www.mclelun.com
var jqb_vCurrent = 0;
var jqb_vTotal = 0;
var jqb_vDuration = 5000;
var jqb_intInterval = 0;
var jqb_vGo = 1;
var jqb_vIsPause = false;
var jqb_tmp = 20;
var jqb_title;
var jqb_imgW = 520;
var jqb_imgH = 215;

jQuery(document).ready(function() {	
	jqb_vTotal = $(".jqb_slides").children().size() -1;
	$(".jqb_info").text($(".jqb_slide").attr("title"));	
	jqb_intInterval = setInterval(jqb_fnLoop, jqb_vDuration);
			
	//Horizontal
	$("#jqb_object").find(".jqb_slide").each(function(i) { 
		jqb_tmp = ((i - 1)*jqb_imgW) - ((jqb_vCurrent -1)*jqb_imgW);
		$(this).animate({"left": jqb_tmp+"px"}, 500);
	});
	
	/*
	//Vertical
	$("#jqb_object").find(".jqb_slide").each(function(i) { 
		jqb_tmp = ((i - 1)*jqb_imgH) - ((jqb_vCurrent -1)*jqb_imgH);
		$(this).animate({"top": jqb_tmp+"px"}, 500);
	});
	*/
	
	$("#btn_pauseplay").click(function() {
		if(jqb_vIsPause){
			jqb_fnChange();
			jqb_vIsPause = false;
			$("#btn_pauseplay").removeClass("jqb_btn_play");
			$("#btn_pauseplay").addClass("jqb_btn_pause");
		} else {
			clearInterval(jqb_intInterval);
			jqb_vIsPause = true;
			$("#btn_pauseplay").removeClass("jqb_btn_pause");
			$("#btn_pauseplay").addClass("jqb_btn_play");
		}
	});
	$("#btn_prev").click(function() {
		jqb_vGo = -1;
		jqb_fnChange();
	});
		
	$("#btn_next").click(function() {
		jqb_vGo = 1;
		jqb_fnChange();
	});
});

function jqb_fnChange(){
	clearInterval(jqb_intInterval);
	jqb_intInterval = setInterval(jqb_fnLoop, jqb_vDuration);
	jqb_fnLoop();
}

function jqb_fnLoop(){
	if(jqb_vGo == 1){
		jqb_vCurrent == jqb_vTotal ? jqb_vCurrent = 0 : jqb_vCurrent++;
	} else {
		jqb_vCurrent == 0 ? jqb_vCurrent = jqb_vTotal : jqb_vCurrent--;
	}
	
			
	$("#jqb_object").find(".jqb_slide").each(function(i) { 
		if(i == jqb_vCurrent){
			jqb_title = $(this).attr("title");
			$(".jqb_info").animate({ opacity: 'hide', "left": "-50px"}, 250,function(){
				$(".jqb_info").text(jqb_title).animate({ opacity: 'show', "left": "0px"}, 500);
			});
		} 
			
			
		//Horizontal Scrolling
		jqb_tmp = ((i - 1)*jqb_imgW) - ((jqb_vCurrent -1)*jqb_imgW);
		$(this).animate({"left": jqb_tmp+"px"}, 500);
		
		
		/*
		//Vertical Scrolling
		jqb_tmp = ((i - 1)*jqb_imgH) - ((jqb_vCurrent -1)*jqb_imgH);
		$(this).animate({"top": jqb_tmp+"px"}, 500);
		*/
		
		/*
		//Fade In & Fade Out
		if(i == jqb_vCurrent){
			$(".jqb_info").text($(this).attr("title"));
			$(this).animate({ opacity: 'show', height: 'show' }, 500);
		} else {
			$(this).animate({ opacity: 'hide', height: 'hide' }, 500);
		}
		*/
		
	});


}