/********************************************************
For more info & download: http://www.ibegin.com/blog/p_ibox.html
Created for iBegin.com - local search done right
MIT Licensed Style
*********************************************************/
var uebersetzungen = new Object();
if(!_sitelang) { var _sitelang = 'DE'; }

switch(_sitelang) {
	case 'DE': {
        // fuer neue sprache von hier
		uebersetzungen['download'] = 'Originalbild downloaden';
        uebersetzungen['close'] = 'Fenster schließen';
        break;
        // bis hier kopieren und wie EN aufbauen mit case 'XY'
    }
    case 'EN': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
	case 'FR': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
	case 'ITA': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
	case 'CRO': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
	case 'SLO': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
	case 'TR': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
	case 'UNG': {
		uebersetzungen['download'] = 'download original image';
        uebersetzungen['close'] = 'close window';
        break;
    }
}//switch _sitelang

var indicator_img_path = "/2010/g/indicator.gif";
var indicator_img_html = "<img name=\"ibox_indicator\" src=\""+indicator_img_path+"\" alt=\"Loading...\" 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 = '';
							var description = '';
							var copyright = '';
							
							for (var i = 0; i < this.childNodes.length; i++) {
							
								var currentChild = this.childNodes[i];
								
								if (currentChild.nodeName.toLowerCase() == 'img') {
									if (currentChild.getAttribute('alt') 
									    && currentChild.getAttribute('alt').length) {
										title = this.firstChild.getAttribute('alt');
									} /*else {
										title = this.title;
									}*/
									
								} else if (currentChild.nodeName.toLowerCase() == 'input' 
									       && currentChild.getAttribute('name') == 'copyright'
									       && currentChild.getAttribute('value')
									       && currentChild.getAttribute('value').length)  {
									copyright = currentChild.getAttribute('value');
									
								} else if (currentChild.nodeName.toLowerCase() == 'input' 
									       && currentChild.getAttribute('name') == 'bildbeschreibung'
   								           && currentChild.getAttribute('value')
									       && currentChild.getAttribute('value').length)  {
									description = currentChild.getAttribute('value');
								}
							}
							if(showIbox(url, title, copyright, description, 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\" alt=\"Fenster schließen\" title=\"Fenster schließen\"></div>";
	strHTML +=	"<div id=\"ibox_footer_wrapper\">";

    strHTML +=  "<div id=\"ibox_footer\" xstyle=\"float:left\">&nbsp;</div>";
	
	strHTML +=  "<div id=\"ibox_footer_bildbeschreibung\">&nbsp;</div>";
	
	strHTML +=  "<div id=\"ibox_footer_copyright\">&nbsp;</div>";
	
	strHTML +=  "<div class=\"clearboth1\">&nbsp;</div>";
    strHTML +=  "<div style=\"float:right; margin-top:5px\">";
	strHTML +=  "<div id=\"ibox_close\" style=\"float:left;\">";
	strHTML += '<div id="ibox_download" style="float: left; display: block; margin-right:15px"><a id="ibox_download_a" href="#" title="'+uebersetzungen['download']+'" target="_blank">'+uebersetzungen['download']+'</a></div>';
	strHTML +=	"<div style=\"float:left;\"><a id=\"ibox_close_a\" href=\"javascript:void(null);\" title=\"Fenster schließen\">"+uebersetzungen['close']+"</a></div></div>";

    //strHTML += '<div id="ibox_senden" style="float: left; display: none;"><a id="ibox_senden_a" href="#" alt="senden"><img alt="senden" src="/g/ibox_senden.gif" style="margin-top: 5px; margin-left: 5px;" /></a></div>';
	
	//strHTML += '<div id="ibox_download" style="float: right; display: block;"><a id="ibox_download_a" href="#" title="download" target="_blank"><img title="download" src="/_g/ibox_download.gif" style="margin-top: 5px; margin-left: 5px;" /></a></div>';

	strHTML +=  "</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, copyright, description, 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;
		ibox_footer.style.display="block";
	} else {
		ibox_footer.style.display="none";
	}

	var ibox_footer_copyright = getElem('ibox_footer_copyright');
	if(copyright != "") {
		ibox_footer_copyright.innerHTML = copyright; 
		ibox_footer_copyright.style.display="block";
	} else {
		ibox_footer_copyright.style.display="none";
	}

	var ibox_footer_bildbeschreibung = getElem('ibox_footer_bildbeschreibung');
	if(description != "") {
		ibox_footer_bildbeschreibung.innerHTML = description;
		ibox_footer_bildbeschreibung.style.display="block";
	} else {
		ibox_footer_bildbeschreibung.style.display="none";
	}
	
	// file checking code borrowed from thickbox
	var urlString = /\.jpg|\.JPG|\.jpeg|\.JPEG|\.png|\.PNG|\.gif|\.GIF|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.rhtml|\.txt/g;
	var urlType = url.match(urlString);
	//urlType = urlType.toLowerCase();
	urlType = urlType[0];

	if(urlType == '.jpg' || urlType == '.JPG' || urlType == '.jpeg' || urlType == '.JPEG' || urlType == '.png' || urlType == '.PNG' || urlType == '.gif' || 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
					var ibox_content = getElem('ibox_content');
					ibox_content.style.height = imgPreloader.height+'px';
					ibox.style.width = imgPreloader.width+'px';
					ibox.style.display = "";
					ibox.style.visibility = "hidden";
					posToCenter(ibox); 	
					ibox.style.visibility = "visible";
                    pos = strpos(url,'?');

                    params['downloadurl'] = (pos < 0?url:url.substring(0,pos))+'?download=J&as_is=J';
					setIBoxContent(strHTML,params);
				}
			}


			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 - 200;

	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 ibox_file = getElem('ibox_filtester');
	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';	
}

getBoxHeight = function() {
	var	height = new Array("200", "500", "700");
	for (i=0; i < height.length; i++) {
		alert(height[i]);	
	}

}

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,params) {
	clearIboxContent();
	var e = getElem('ibox_content');
   // getElem('ibox_download').style.display = (params['download']=='J' && params['downloadurl']?'block':'none');
    getElem('ibox_download_a').href = params['downloadurl'];
    // getElem('ibox_senden').style.display = (params['senden']=='J' && params['sendenurl']?'block':'none');

	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);


function strpos(str, ch) {
    for (var i = 0; i < str.length; i++)
    if (str.substring(i, i+ch.length) == ch) return i;
    return -1;
}


