var he_jsApiKey = '2795C0685C23F7F33402F3B2081F11F6';
var goldTab = false;
/**
 * Heureka widget script
 * 
 * @author Jan Kahoun <jan.kahoun@heureka.cz>
 */
(function () {
	// prepare and cache some basic variables
	var d = document,
		heurekaDiv = [],
		heurekaDivId = 'hw-87kwowifjjowiklsadh666',
		showDivTimer = [],
		widthIfr = 320,
		heightIfr = 317,
		widthTab = 31,
		heightTab = 187,
		baseTop = 60,
		ifrLoaded = [],
		zIndex = 2147483647,
		clearMe = [],
		ifrWidthBox = [],
		Widget = null;
	
	Widget = {
			/**
			 * Language ID
			 * 
			 * @var string
			 */
			language: 'cz',
			
			/**
			 * Enable/disable rwl
			 * 
			 * @var bool
			 */
			rwl: true,
			
			/**
			 * Widget type ID
			 * 
			 * @var int
			 */
			type: null,
			
			/**
			 * base url
			 * 
			 * @var string
			 */
			baseUrl: ('https:' === d.location.protocol ? 'https://ssl' : 'http://www') + '.heureka.cz',
			
			/**
			 * Url to widget
			 * 
			 * @var string
			 */
			url: '/direct/i/widget.php?',
					
			apiKey: null,		
			
			im9: '',
			
			ssl: false,
			
			/**
			 * Sets API key to url
			 * 
			 * @param string apiKey API key
			 */
			setKey: function (apiKey) {	
				if (apiKey === '' || apiKey === undefined || Widget.url.toString().search('key=') !== -1) {
					return;
				}
				
				if (typeof he_jsApiKey === 'undefined' || he_jsApiKey !== apiKey) {
					// if shop uses two different api keys (one for obtain this javascript and second for obtain content for iframe)
					return;
				}
				
				Widget.apiKey = apiKey;
				Widget.url += "key=" + apiKey;
			},
			
			setTopPos: function (top) {
				if (!isNaN(top)) {
					baseTop = top;
				}
			},
			
			enableSSL: function (enable) {
				Widget.ssl = enable ? true : false;
			},
			
			showWidget: function (type) {
				// is widget disabled for this shop?
				if ((typeof dwdgt !== 'undefined' && dwdgt === true) || null === Widget.apiKey) {
					return;
				}
				
				if (Widget.url.toString().search('http') == -1) {
					Widget.url = Widget.baseUrl + Widget.url;
				}
				if (Widget.ssl || Widget.url.toString().search('https://ssl') == 0) {
					Widget.url += '&sl=';
					Widget.im9 = 'https://ssl.heureka.cz/direct/';
				} else {
					Widget.im9 = 'http://im9.cz/';
				}
				
				var argv = this.showWidget.arguments;
				var argc = argv.length;				
				
				//check for mobile browsers
				if (isMobileBrowser()) {
					return false;
				}
				
				switch(type) {
					case '1':
					case '2':
					case '3':
					case '11':
					case '12':
						if (argc !== 4) {
							//not enough params
							return;
						}
						showBadge(type, argv[1], argv[2], argv[3]);
					  break;
					case '21':
					case '22':
						var position = type === '21' ? 'left' : 'right';
						ifrLoaded[position] = false;
						createRollElement(position, type);						
						break;
				}
				if (Widget.rwl) {
					try {
						heurekaRWL(type);
					} catch(e) {
					}	
				}				
			},
			
			/**
			 * Calls object methods using arguments array
			 */
			push: function() {
				var i,
					queueLen,
					methodName,
					argumentsArr = [],
					item;
				
				for (i = 0, queueLen = arguments.length; i < queueLen; i++) {
					item = arguments[i];
					
					methodName = item.slice(0, 1).toString();
					argumentsArr = item.slice(1);
					if (Widget.hasOwnProperty(methodName)) {
						Widget[methodName].apply(Widget, argumentsArr);
					}
				}
			}
		};

		function showBadge(type, shopId, name, seoId) {
			switch(type) {
				case '1':
					height = width = 76;
					break;
				case '2':
					height = width = 105;
					break;
				case '3':
					height = width = 130;
					break;
				case '11':
					width = 340;
					height = 130;
					break;
				case '12':
					width = 130;
					height = 160;
					break;
			}
			
			var badge = '<a href="http://obchody.heureka.cz/' + seoId + '/recenze/" target="_blank" title="Heureka.cz - ověřené hodnocení obchodu ' + name + '">' 
			+ '<img src="' + Widget.im9 + 'cb/' + shopId + '-' + type +'.png" height="' + height + '" width="' + width + '" alt="Heureka.cz - ověřené hodnocení obchodu ' + name + '" style="border: 0;" /></a>';
			if (d.getElementById('showHeurekaBadgeHere-' + type)) {
				d.getElementById('showHeurekaBadgeHere-' + type).innerHTML = badge;
			}	
		}
		
		function createRollElement(position, widgetType) {
			//create tab
			var tElm = d.createElement('div'),
				floating = (position === 'left' ? 'right' : 'left');
			var tabName = position + '-zalozka-only',
				tabNameIe = 'tab-' + position;
			if (goldTab) {
				tabName = tabName + '-gold';
				tabNameIe = tabNameIe + '-gold';
			}
			tabNameIe = tabNameIe + '';
			tElm.style.cssText = 'float:' + floating + '; background:url(' + Widget.im9 + 'css-v2/images/widget/' + tabName + '.png) 0 0 no-repeat; _background:url(' + Widget.im9 + 'css-v2/images/widget/' + tabNameIe + '.gif) 0 0 no-repeat;';
			tElm.id = 'heurekaTab' + position;
			tElm.style.position = 'relative';
			tElm.style.display = 'block';
			tElm.style.width = widthTab + 'px';
			tElm.style.height = heightTab + 'px';
			tElm.style.zIndex = zIndex;
			tElm.style.marginTop = ((heightIfr - 187) / 2) + 'px';
			tElm.style[floating] = (-1 * widthTab) + 'px';
			
			
			//create the main div
			var wElm = d.createElement('div');
			wElm.id = heurekaDivId + position;
			wElm.style.cssText = 'position: fixed !important; position: absolute;';
			wElm.style.height = heightIfr + 'px';
			wElm.style.width = widthTab + 'px';
			//wElm.style.overflow = 'hidden';
			wElm.style.top = baseTop + 'px';
			wElm.style[position] = (-1 * widthTab) + 'px';
			
			wElm.style.zIndex = zIndex;
			//add tab to main div
			wElm.appendChild(tElm);
			
			//create iframe
			var src = Widget.url + '&wt=' + widgetType,
				iframe = d.createElement('iframe'),
				ifrBox = d.createElement('div');
			ifrBox.id = 'heurekaIfrBox' + position;
			ifrBox.style.cssText = 'float:' + floating + '; overflow:hidden; position: relative;';
			ifrBox.style.width = '0px';
			ifrBox.style.top = '-252px';
			
			iframe.id = 'iframe-widget' + position;
			iframe.setAttribute('allowtransparency', 'true');
			iframe.setAttribute('frameBorder', 0);
			iframe.setAttribute('scrolling', 'no');
			iframe.src = src;
			iframe.width = widthIfr + 'px';
			iframe.height = heightIfr + 'px';
			iframe.style.cssText = 'float:' + floating + '; position: relative;';
			iframe.onmouseout = function () {
				clearTimeout(clearMe[position]);
				return false;
			};
			ifrBox.appendChild(iframe);
			
			wElm.onmouseover = function () {
				clearTimeout(clearMe[position]);
				//load iframe only on first mouseover event				
				if (!ifrLoaded[position]) {
					wElm.appendChild(ifrBox);
					ifrWidthBox[position] = d.getElementById('heurekaIfrBox' + position);
					//roll it after iframe load
					if (iframe.attachEvent) {
						iframe.attachEvent('onload', function () {
							rollIt(position);
						});
					} else {
						iframe.onload = function () {
							rollIt(position);
						};
					}
				} else {
					showDiv(position);
				}
				return false;
			};
			
			wElm.onmouseout = function () {
				clearMe[position] = setTimeout(function () {
					//wElm.style.width = widthTab + 'px';
					hideDiv(position);
				}, 50);
				
				return false;
			};
					
			var loaded = false;
			var addDiv = function () {
				//add main div to page
				var body = d.getElementsByTagName('body')[0];
				body.insertBefore(wElm, body.firstChild);
				heurekaDiv[position] = d.getElementById(heurekaDivId + position);
			};
		
			// If IE event model is used
			if ( document.attachEvent ) {
		        document.attachEvent("onreadystatechange", function() {
	                if ( document.readyState === "complete" ) {
                        document.detachEvent( "onreadystatechange", arguments.callee );
                        addDiv();
                        loaded = true;
	                }
		        });

		        // continually check to see if the document is ready
		        if ( document.documentElement.doScroll ) (function(){
	                if ( loaded ) {
	                	return;
	                }	

	                try {
                        // If IE is used, use the trick by Diego Perini
                        // http://javascript.nwbox.com/IEContentLoaded/
                        document.documentElement.doScroll("left");
	                } catch( error ) {
                        setTimeout( arguments.callee, 0 );
                        return;
	                }
	                
	                addDiv();
	                loaded = true;
		        })();
			} 
			// Mozilla, Opera and webkit nightlies currently support this event
			else if ( window.addEventListener ) {
		        // Use the handy event callback
		        window.addEventListener('load', addDiv, false );
			} else if ( document.addEventListener ) {
		        // Use the handy event callback
		        document.addEventListener('DOMContentLoaded', addDiv, false );
			}
		}
		
		function rollIt(position) {
			ifrLoaded[position] = true;
			setTimeout(function () {
				showDiv(position);
			}, 300);
		}
		
		function showDiv(pos) {
			var b, c = 20;
			if (isNaN(parseInt(getStyle(pos),10))) {
				b = c + "px";
				setStyle(pos, b);
			} else {
				if (parseInt(getStyle(pos),10) + c > widthIfr) {
					c = widthIfr - parseInt(getStyle(pos),10);
				}
				b = parseInt(getStyle(pos),10) + c + "px";
				setStyle(pos, b);
			}
			if (parseInt(getStyle(pos),10) < widthIfr) {
				showDivTimer[pos] = setTimeout(function () {
					showDiv(pos);
				}, 30);
			} else if (parseInt(getStyle(pos),10) === widthIfr && showDivTimer[pos] !== undefined) {
				clearTimeout(showDivTimer[pos]);
			}
		}
		
		function hideDiv (pos) {
			setStyle(pos, 0);
		}
		
		function setStyle(pos, val) {
			ifrWidthBox[pos].style.width = parseInt(val,10) + widthTab + "px";
			heurekaDiv[pos].style.width = parseInt(val,10) + widthTab + "px";
		}
		
		function getStyle(pos) {   
			return ifrWidthBox[pos].style.width;
		}
		
		function heurekaRWL(widgetType) {
			var im = new Image(1, 1),
			referrer = d.referrer.substring(0, 512),
			location = window.location['href'].substring(0, 512);
			if (location !== '' && differentDomains(referrer, location)) {
				im.src = Widget.url + '&wt=' + widgetType + "&a=" + encodeURIComponent(encode(location)) + "&b=" + encodeURIComponent(encode(referrer));
			}
			//show it only once
			Widget.rwl = false;
		}
		
		function differentDomains(referrer, location)
		{
			
			if (referrer === '' && location === '') {
				return false;
			} else if (referrer === '' || location === '') {
				return true;
			} else if (referrer === location) {
				return false;
			}
			
			var rl = document.createElement('a'),
				ll = document.createElement('a');
			rl.href = referrer;
			ll.href = location;
			
			var arrHost = rl.hostname.split('.');
			if (arrHost.length < 2) {
				return false;
			}
			var referrerHost = arrHost[arrHost.length - 2] + '.' + arrHost[arrHost.length - 1];

			arrHost = ll.hostname.split('.');
			if (arrHost.length < 2) {
				return false;
			}
			var locationHost= arrHost[arrHost.length - 2] + '.' + arrHost[arrHost.length - 1];
			
			return referrerHost === locationHost ? false : true;
		}
		
		function isMobileBrowser() {
			var a = navigator.userAgent || navigator.vendor || window.opera;
			if(/android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))
			{
				return true;
			} else {
				return false;
			}
		}
		
		/**
		 * @see http://phpjs.org/functions/utf8_encode
		 */
		function utf8_encode (argString) {
		    if (argString === null || typeof argString === "undefined") {
		        return "";
		    }
		 
		    var string = (argString + '');
		    var utftext = "",
		        start, end, stringl = 0;
		 
		    start = end = 0;
		    stringl = string.length;
		    for (var n = 0; n < stringl; n++) {
		        var c1 = string.charCodeAt(n);
		        var enc = null;
		 
		        if (c1 < 128) {
		            end++;
		        } else if (c1 > 127 && c1 < 2048) {
		            enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
		        } else {
		            enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
		        }
		        if (enc !== null) {
		            if (end > start) {
		                utftext += string.slice(start, end);
		            }
		            utftext += enc;
		            start = end = n + 1;
		        }
		    }
		 
		    if (end > start) {
		        utftext += string.slice(start, stringl);
		    }
		    return utftext;
		}
		/**
		 * @see http://phpjs.org/functions/base64_encode
		 */
		function encode(data) {
			if (!data) {
		        return data;
		    }
			/**
			 * only ie < 10 doesn't support btoa
			 * @see https://developer.mozilla.org/en-US/docs/DOM/window.btoa
			 */ 
			if (typeof this.window['btoa'] == 'function') {
				return window.btoa(unescape(encodeURIComponent( data )));
			}	
			
		    var clist = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
		    var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
		        ac = 0,
		        enc = "",
		        tmp_arr = [];
		    data = utf8_encode(data + '');
		 
		    do {
		        o1 = data.charCodeAt(i++);
		        o2 = data.charCodeAt(i++);
		        o3 = data.charCodeAt(i++);
		 
		        bits = o1 << 16 | o2 << 8 | o3;
		 
		        h1 = bits >> 18 & 0x3f;
		        h2 = bits >> 12 & 0x3f;
		        h3 = bits >> 6 & 0x3f;
		        h4 = bits & 0x3f;
		 
		        tmp_arr[ac++] = clist.charAt(h1) + clist.charAt(h2) + clist.charAt(h3) + clist.charAt(h4);
		    } while (i < data.length);
		 
		    enc = tmp_arr.join('');  
		    var r = data.length % 3;
		    return (r ? enc.slice(0, r - 3) : enc) + '==='.slice(r || 3);
		}
			
		function init () {
			// switch _hwq array with Widget object
			var tmpQueue = window['_hwq'];

			if (tmpQueue && "function" === typeof tmpQueue.push) {
				if (tmpQueue.constructor === Array) {
					// process the queue
					Widget.push.apply(Widget, tmpQueue);
				}
			}
			
			_hwq = Widget;
		}

		// spin that shit ;)
		init();
}());