/********************************************************

For more info & download: http://www.ibegin.com/blog/p_ibox.html

Created for iBegin.com - local search done right

MIT Licensed Style

*********************************************************/

var indicator_img_path = "http://tysbud.com/js/indicator.gif";

var indicator_img_html = "<img name=\"ibox_indicator\" src=\""+indicator_img_path+"\" alt=\"�Ładuję�...\" style=\"width:128px;height:128px;\"/>"; // don't remove the name



var opacity_level = 8; // how transparent our overlay bg is

var ibAttr = "rel"; 	// our attribute identifier for our iBox elements

	



var imgPreloader = new Image(); // create an preloader object

function init_ibox() {

	var elem_wrapper = "ibox";

	

	createIbox(document.getElementsByTagName("body")[0]); //create our ibox



	//	elements here start the look up from the start non <a> tags

	//var docRoot = (document.all) ? document.all : document.getElementsByTagName("*");

	

	// Or make sure we only check <a> tags

	var docRoot = document.getElementsByTagName("a");



	var e;

	for (var i = 0; i < docRoot.length - 1; i++) {

			e = docRoot[i];

			if(e.getAttribute(ibAttr)) {

				var t = e.getAttribute(ibAttr);

				if ((t.indexOf("ibox") != -1)  ||  t.toLowerCase() == "ibox") { // check if this element is an iBox element

						e.onclick = function() { // rather assign an onclick event

							var t = this.getAttribute(ibAttr);

							var params = parseQuery(t.substr(5,999));

							var url = this.href;

							if(this.target != "") {url = this.target} 

	

							var title = this.title;



							if(showIbox(url,title,params)) {

								showBG();

								window.onscroll = maintPos;

								window.onresize = maintPos;

							}

							return false;

						}; 

						

				}

			}

     }

}



showBG = function() {

	var box_w = getElem('ibox_w');

	



	box_w.style.opacity = 0;

	box_w.style.filter = 'alpha(opacity=0)';

	setBGOpacity = setOpacity;
	for (var i=0;i<=opacity_level;i++) {setTimeout("setIboxOpacity('ibox_w',"+i+")",70*i);} // from quirksmode.org

	

		

	box_w.style.display = "";

	var pagesize = new getPageSize();

	var scrollPos = new getScrollPos();

	var ua = navigator.userAgent;

	

	if(ua.indexOf("MSIE ") != -1) {box_w.style.width = pagesize.width+'px';} 

	/*else {box_w.style.width = pagesize.width-20+'px';}*/ // scrollbars removed! Hurray!

	box_w.style.height = pagesize.height+scrollPos.scrollY+'px';



}



hideBG = function() {

	var box_w = getElem('ibox_w');

	box_w.style.display = "none";



}



var loadCancelled = false;

showIndicator = function() {

	var ibox_p = getElem('ibox_progress');

	ibox_p.style.display = "";

	posToCenter(ibox_p);

	ibox_p.onclick = function() {hideIbox();hideIndicator();loadCancelled = true;}

}





hideIndicator = function() {

	var ibox_p = getElem('ibox_progress');

	ibox_p.style.display = "none";

	ibox_p.onclick = null;

}



createIbox = function(elem) {

	// a trick on just creating an ibox wrapper then doing an innerHTML on our root ibox element

	var strHTML = "<div id=\"ibox_w\" style=\"display:none;\"></div>";

	strHTML +=	"<div id=\"ibox_progress\" style=\"display:none;\">";

	strHTML +=  indicator_img_html;

	strHTML +=  "</div>";

	strHTML +=	"<div id=\"ibox_wrapper\" style=\"display:none\">";

	strHTML +=	"<div id=\"ibox_content\"></div>";

	strHTML +=	"<div id=\"ibox_footer_wrapper\"><div id=\"ibox_close\" style=\"float:right;\">";

	strHTML +=	"<a id=\"ibox_close_a\" href=\"javascript:void(null);\" >Zamknij okno</a></div>";

	strHTML +=  "<div id=\"ibox_footer\">&nbsp;</div></div></div></div>";



	var docBody = document.getElementsByTagName("body")[0];

	var ibox = document.createElement("div");

	ibox.setAttribute("id","ibox");

	ibox.style.display = '';

	ibox.innerHTML = strHTML;

	elem.appendChild(ibox);

}



var ibox_w_height = 0;

showIbox = function(url,title,params) {

	

	var ibox = getElem('ibox_wrapper');

	var ibox_type = 0;

												

	// set title here

	var ibox_footer = getElem('ibox_footer');

	if(title != "") {ibox_footer.innerHTML = title;} else {ibox_footer.innerHTML = "&nbsp;";}

	

	// file checking code borrowed from thickbox

	var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.rhtml|\.txt/g;

	

	var urlType = url.match(urlString);



	if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif'){

		ibox_type = 1;

	} else if(url.indexOf("#") != -1) {

		ibox_type = 2;

	} else if(urlType=='.htm'||urlType=='.html'||urlType=='.php'||

			 urlType=='.asp'||urlType=='.aspx'||urlType=='.jsp'||

			 urlType=='.jst'||urlType=='.rb'||urlType=='.txt'||urlType=='.rhtml'||

			 urlType=='.cfm') {

		ibox_type = 3;

	} else {

		// override our ibox type if forced param exist

		if(params['type']) {ibox_type = parseInt(params['type']);}

		else{hideIbox();return false;}

	}

	

	ibox_type = parseInt(ibox_type);





	switch(ibox_type) {

		

		case 1:



			showIndicator();

			

			imgPreloader = new Image();

			

			imgPreloader.onload = function(){

	

				imgPreloader = resizeImageToScreen(imgPreloader);

				hideIndicator();

	

				var strHTML = "<img name=\"ibox_img\" src=\""+url+"\" style=\"width:"+imgPreloader.width+"px;height:"+imgPreloader.height+"px;border:0;cursor:hand;margin:0;padding:0;position:absolute;\"/>";

	

				if(loadCancelled == false) {

					

					// set width and height

					ibox.style.height = imgPreloader.height+'px';

					ibox.style.width = imgPreloader.width+'px';

				

					ibox.style.display = "";

					ibox.style.visibility = "hidden";

					posToCenter(ibox); 	

					ibox.style.visibility = "visible";



					setIBoxContent(strHTML);

				}

					

			}

			

			loadCancelled = false;

			imgPreloader.src = url;

			

			break;



		case 2:

			

			var strHTML = "";



			

			if(params['height']) {ibox.style.height = params['height']+'px';} 

			else {ibox.style.height = '280px';}

			

			if(params['width']) {ibox.style.width = params['width']+'px';} 

			else {ibox.style.width = '450px';}



		

			ibox.style.display = "";

			ibox.style.visibility = "hidden";

			posToCenter(ibox); 	

			ibox.style.visibility = "visible";

			

			getElem('ibox_content').style.overflow = "auto";

			

			var elemSrcId = url.substr(url.indexOf("#") + 1,1000);

			

			var elemSrc = getElem(elemSrcId);

			

			if(elemSrc) {strHTML = elemSrc.innerHTML;}

		

			setIBoxContent(strHTML);

			

			break;

			

		case 3:

			showIndicator();

			http.open('get',url,true);



			http.onreadystatechange = function() {

				if(http.readyState == 4){

					hideIndicator();

					

					if(params['height']) {ibox.style.height = params['height']+'px';} 

					else {ibox.style.height = '280px';}

					

					if(params['width']) {ibox.style.width = params['width']+'px';} 

					else {ibox.style.width = '450px';}

		

					ibox.style.display = "";

					ibox.style.visibility = "hidden";

					posToCenter(ibox); 	

					ibox.style.visibility = "visible";

					getElem('ibox_content').style.overflow = "auto";

					

					var response = http.responseText;

					setIBoxContent(response);

					

				}

			}

			

			http.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");

			http.send(null);

			break;

		

		default:

			

	 } 

	 

	

	ibox.style.opacity = 0;

	ibox.style.filter = 'alpha(opacity=0)';	

	var ibox_op_level = 10;

	

	setIboxOpacity = setOpacity;

	for (var i=0;i<=ibox_op_level;i++) {setTimeout("setIboxOpacity('ibox_wrapper',"+i+")",30*i);}



	if(ibox_type == 2 || ibox_type == 3) {

		ibox.onclick = null;getElem("ibox_close_a").onclick = function() {hideIbox();}

	} else {ibox.onclick = hideIbox;getElem("ibox_close_a").onclick = null;}



	return true;

}



setOpacity = function (elemid,value)	{

		var e = getElem(elemid);

		e.style.opacity = value/10;

		e.style.filter = 'alpha(opacity=' + value*10 + ')';

}



resizeImageToScreen = function(objImg) {

	

	var pagesize = new getPageSize();

	

	var x = pagesize.width - 100;

	var y = pagesize.height - 100;



	if(objImg.width > x) { 

		objImg.height = objImg.height * (x/objImg.width); 

		objImg.width = x; 

		if(objImg.height > y) { 

			objImg.width = objImg.width * (y/objImg.height); 

			objImg.height = y; 

		}

	} 



	else if(objImg.height > y) { 

		objImg.width = objImg.width * (y/objImg.height); 

		objImg.height = y; 

		if(objImg.width > x) { 

			objImg.height = objImg.height * (x/objImg.width); 

			objImg.width = x;

		}

	}



	return objImg;

}



maintPos = function() {

	

	var ibox = getElem('ibox_wrapper');

	var box_w = getElem('ibox_w');

	var pagesize = new getPageSize();

	var scrollPos = new getScrollPos();

	var ua = navigator.userAgent;



	if(ua.indexOf("MSIE ") != -1) {box_w.style.width = pagesize.width+'px';} 

	/*else {box_w.style.width = pagesize.width-20+'px';}*/



	if(ua.indexOf("Opera/9") != -1) {box_w.style.height = document.body.scrollHeight+'px';}

	else {box_w.style.height = pagesize.height+scrollPos.scrollY+'px';}

	

	// alternative 1

	//box_w.style.height = document.body.scrollHeight+50+'px';	

	

	posToCenter(ibox);

	

}



hideIbox = function() {

	hideBG();

	var ibox = getElem('ibox_wrapper');

	ibox.style.display = "none";



	clearIboxContent();

	window.onscroll = null;

}



posToCenter = function(elem) {

	var scrollPos = new getScrollPos();

	var pageSize = new getPageSize();

	var emSize = new getElementSize(elem);

	var x = Math.round(pageSize.width/2) - (emSize.width /2) + scrollPos.scrollX;

	var y = Math.round(pageSize.height/2) - (emSize.height /2) + scrollPos.scrollY;	

	elem.style.left = x+'px';

	elem.style.top = y+'px';	

}



getScrollPos = function() {

	var docElem = document.documentElement;

	this.scrollX = self.pageXOffset || (docElem&&docElem.scrollLeft) || document.body.scrollLeft;

	this.scrollY = self.pageYOffset || (docElem&&docElem.scrollTop) || document.body.scrollTop;

}



getPageSize = function() {

	var docElem = document.documentElement

	this.width = self.innerWidth || (docElem&&docElem.clientWidth) || document.body.clientWidth;

	this.height = self.innerHeight || (docElem&&docElem.clientHeight) || document.body.clientHeight;

}



getElementSize = function(elem) {

	this.width = elem.offsetWidth ||  elem.style.pixelWidth;

	this.height = elem.offsetHeight || elem.style.pixelHeight;

}



setIBoxContent = function(str) {

	clearIboxContent();

	var e = getElem('ibox_content');

	e.style.overflow = "auto";

	e.innerHTML = str;

	

}

clearIboxContent = function() {

	var e = getElem('ibox_content');

	e.innerHTML = "";



}





getElem = function(elemId) {

	return document.getElementById(elemId);	

}



// parseQuery code borrowed from thickbox, Thanks Cody!

parseQuery = function(query) {

   var Params = new Object ();

   if (!query) return Params; 

   var Pairs = query.split(/[;&]/);

   for ( var i = 0; i < Pairs.length; i++ ) {

      var KeyVal = Pairs[i].split('=');

      if ( ! KeyVal || KeyVal.length != 2 ) continue;

      var key = unescape( KeyVal[0] );

      var val = unescape( KeyVal[1] );

      val = val.replace(/\+/g, ' ');

      Params[key] = val;



   }

   

   return Params;

}



/********************************************************

 Make this IE7 Compatible ;)

 http://ajaxian.com/archives/ajax-on-ie-7-check-native-first

*********************************************************/

createRequestObject = function() {

	var xmlhttp;

		/*@cc_on

	@if (@_jscript_version>= 5)

			try {xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

			} catch (e) {

					try {xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");}

					catch (E) {xmlhttp = false;}

			}

	@else

		xmlhttp = false;

	@end @*/

	if (!xmlhttp && typeof XMLHttpRequest != "undefined") {

			try {xmlhttp = new XMLHttpRequest();} catch (e) {xmlhttp = false;}

	}

	return xmlhttp;

}



var http = createRequestObject();



function addEvent(obj, evType, fn){ 

 if (obj.addEventListener){ 

   obj.addEventListener(evType, fn, false); 

   return true; 

 } else if (obj.attachEvent){ 

   var r = obj.attachEvent("on"+evType, fn); 

   return r; 

 } else { 

   return false; 

 } 

}

addEvent(window, 'load', init_ibox);