/*

Tool:		Zebra Tables

URL:		http://www.alistapart.com/articles/zebratables/

Usage:		stripe(tableid, evenColor, oddColor);

Example:	stripe('playlist', '#fff', '#edf3fe');

*/

	  // this function is need to work around 
	  // a bug in IE related to element attributes
	  function hasClass(obj) {
	     var result = false;
	     if (obj.getAttributeNode("class") != null) {
	         result = obj.getAttributeNode("class").value;
	     }
	     return result;
	  }   
	
	 function stripe(id) {
	
	    // the flag we'll use to keep track of 
	    // whether the current row is odd or even
	    var even = false;
	  
	    // if arguments are provided to specify the colours
	    // of the even & odd rows, then use the them;
	    // otherwise use the following defaults:
	    var evenColor = arguments[1] ? arguments[1] : "#fff";
	    var oddColor = arguments[2] ? arguments[2] : "#eee";
	  
	    // obtain a reference to the desired table
	    // if no such table exists, abort
	    var table = document.getElementById(id);
	    if (! table) { return; }
	    
	    // by definition, tables can have more than one tbody
	    // element, so we'll have to get the list of child
	    // <tbody>s 
	    var tbodies = table.getElementsByTagName("tbody");
	
	    // and iterate through them...
	    for (var h = 0; h < tbodies.length; h++) {
	    
	     // find all the &lt;tr&gt; elements... 
	      var trs = tbodies[h].getElementsByTagName("tr");
	      
	      // ... and iterate through them
	      for (var i = 0; i < trs.length; i++) {
	
		    // avoid rows that have a class attribute
	        // or backgroundColor style
		    if (!hasClass(trs[i]) && ! trs[i].style.backgroundColor) {
	 
	         // get all the cells in this row...
	          var tds = trs[i].getElementsByTagName("td");
	        
	          // and iterate through them...
	          for (var j = 0; j < tds.length; j++) {
	        
	            var mytd = tds[j];
	
	            // avoid cells that have a class attribute
	            // or backgroundColor style
		        if (! hasClass(mytd) && ! mytd.style.backgroundColor) {
	        
			      mytd.style.backgroundColor = even ? evenColor : oddColor;
	              
	            }
	          }
	        }
	        // flip from odd to even, or vice-versa
	        even =  ! even;
	      }
	    }
	  }

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/*

<script language="javascript">
MM_preloadImages('test.gif');
</script>

<a href="www.link.dk" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image_Name','','20_bot.gif',1)"><img name="Image_Name" border="0" src="1_spc.gif"></a> 

*/

function popup(popurl,width,height,scrollbars,resizable) {
	
	var parameters = '';
	
	var screenY = window.screen.availHeight;
	var screenX = window.screen.availWidth;

	var pos_left = (screenX - width) / 2;
	var pos_top = (screenY - height) / 2;

	parameters = "width="+width+",height="+height+",left="+pos_left+",top="+pos_top;

	if(scrollbars)	parameters += ',scrollbars';
	if(resizable)	parameters += ',resizable';

	winpops = window.open(popurl,"",parameters);

}


/* Newsletter */

function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,4})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

function minLen(str, leng) {
	return str.length>=leng;
}

function emailvalidation(entered, alertbox) {
	with (entered) {
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
		lastpos=value.length-1;
		if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) {
			if (alertbox) {alert(alertbox);} try {entered.focus()} catch(E) {}; return false;}
			else {return true;}
	}
}

function emptyvalidation(entered, alertbox) {
	with (entered) {
		if (value==null || value=="") {
			if (alertbox!="") alert(alertbox);
				if (type!="hidden") {
					try {entered.focus()} catch(E) {}
				}
			return false;
		} else {
			return true;
		}
	}
}

function doML(str) {
	location.href = "mailto:"+str.replace(/\.\.\./ig,"@");
}

/************************************************************
 	C2_Popup: 
 ************************************************************/

function C2_Popup() {
	this.definitions = { }
	this.AddDefinition("standard", "width=500,height=350,scrollbars=1,resizable=1,toolbar=0,center=1", "_blank", "");	
}

C2_Popup.prototype.AddDefinition = function(defId, features, target, template) {
	var definition = new Object();
	definition.Features = features;
	definition.Target = target;
	definition.Template = template;	
	this.definitions[defId] = definition;
}

C2_Popup.prototype.Open = function(defId, url) {	
	var definition = this.definitions[defId];
	if(definition==null) {
		definition = this.definitions["standard"];
	}
	
	var features = this.buildWindowFeatures(definition.Features);
	var locationUrl = url; // todo: template
	var target = definition.Target;
	
	var handle = window.open(locationUrl, target, features);
	handle.focus();	
}

C2_Popup.prototype.buildWindowFeatures = function(definition) {	
	var featureStr = definition;

	featureStr = featureStr.replace(/center\=1/, this.centeredWindow(definition));
	
	return featureStr;
}

C2_Popup.prototype.centeredWindow = function(featureStr) {	
	var width, height, featAddition = "";

	var hasWidth = (featureStr.indexOf("width")>=0);		
	if(hasWidth) {
		var width = featureStr.match(/width=([0-9]+),/i)[1];
		if(!isNaN(parseInt(width))) {
			var screenX = window.screen.availWidth;
			featAddition += "left="+Math.round((screenX - width) / 2);
		}
	}

	var hasHeight = (featureStr.indexOf("height")>=0);		
	if(hasHeight) {
		var height = featureStr.match(/height=([0-9]+),/i)[1];
		if(!isNaN(parseInt(height))) {
			var screenY = window.screen.availHeight;
			featAddition += (featAddition.length>0?",":"")+"top="+Math.round((screenY - height) / 2);
		}
	}

	return featAddition;
}

// var c2popup = new C2_Popup();
// c2popup.AddDefinition(1, "width=400,height=400,scrollbars=1,resizable=1,toolbar=0,center=1", "_blank");
// c2popup.Open(1, "http://www.cirkus.dk/");


/************************************************************
	C2_ImageRotater: generisk billedrotation
 ************************************************************/
function C2_Image(image, url, altText) {
	this._image = image;
	this._url = url;
	this._altText = altText;	
}

var C2_ImageRotater_Style = 1; // 0 = Sequential, 1 = Random
var C2_ImageRotater_Delay = 2500; // time in milliseconds between switch
var C2_ImageRotater_BetweenImage = new C2_Image("img/samarbejdspartner.gif");
var C2_ImageRotater_Verbose = true;

function C2_ImageRotater(elementId, images) {
	this._element = document.getElementById(elementId);
	if(this._element==null) {
		if(C2_ImageRotater_Verbose)
			window.status = "C2_ImageRotate: Element with ID '"+elementId+"' was not found. Rotation is cancelled.";
		return;
	}
	
	if(this._element.tagName!="IMG") {
		if(C2_ImageRotater_Verbose)
			window.status = "C2_ImageRotate: Element must be IMG type. Rotation is cancelled.";						
		return;
	}

	this._style = C2_ImageRotater_Style;
	this._delay = C2_ImageRotater_Delay;
	this._betweenImage = C2_ImageRotater_BetweenImage;
						
	this._element.C2RotaterInstance = this;
	
	if(images==null) {
		this._images = new Array();
	} else {
		this._images = images;					
	}

	this._counter = 0;
	this._seqImageIndex = 0;
	this._originalAlt = this._element.alt;

	this._linkElement = null;					
	this._originalHref = null;
}

C2_ImageRotater.prototype.Start = function() {
	if(this._images.length>0) {	
		this._timer = window.setTimeout("C2_ImageRotater.Tick('"+this._element.id+"')", this._delay);
	} else if(C2_ImageRotater_Verbose) {
		window.status = "C2_ImageRotater: no images defined, will not rotate";
	}
}							

C2_ImageRotater.prototype.Stop = function() {
	if(this._timer!=null)
		window.clearTimeout(this._timer);
}

C2_ImageRotater.Tick = function(elementId) {
	// get target IMG-element
	var element = document.getElementById(elementId);
	
	// get C2_ImageRotater instance
	var instance = document.getElementById(elementId).C2RotaterInstance;
					
	var nextImage = null;
	// if between image is defined, use this every other tick
	if(C2_ImageRotater_BetweenImage!=null && instance._counter%2!=0) {
		nextImage = C2_ImageRotater_BetweenImage;
	} else {
		// check whether to choose image random og seq.
		if(this._style==1) {
			// random
			var randomImageIndex = Math.round(instance._images.length*Math.random());
			nextImage = instance._images[randomImageIndex];
		} else {
			// sequential
			instance._seqImageIndex++;
			if(instance._seqImageIndex>instance._images.length-1) {
				instance._seqImageIndex = 0;
			}								
										
			nextImage = instance._images[instance._seqImageIndex];
		}
	}
		
	// change properties on link 
	element.src = nextImage._image;

	if(nextImage._altText!=null) {
		element.alt = nextImage._altText;
	} else {
		element.alt = instance._originalAlt;
	}
	
	if(instance._linkElement!=null)
		if(nextImage._url!=null) {
			instance._linkElement.href = nextImage._url;
		} else {
			instance._linkElement.href = instance._originalHref;
		}
	
	// Firefox seems to have problem shifting images, fix here:
	if(typeof(element.style.MozOpacity)=="string")
		element.style.MozOpacity = 1-(Math.random()/100); 
	
	instance.PostTick();
}
				
C2_ImageRotater.prototype.PostTick = function() {
	// increase internal counter
	this._counter++;

	// reset timer for next tick		
	this._timer = window.setTimeout("C2_ImageRotater.Tick('"+this._element.id+"')", this._delay);
}

/*
C2_ImageRotater.OnImageLoad = function() {					
	var element = window.event.srcElement;
	var instance = element.C2RotaterInstance;
	if(element.readyState=="complete") {
		element.onreadystatechange = null;
	}
}
*/

C2_ImageRotater.prototype.AddImage = function(image, url, altText) {
	this._images[this._images.length] = new C2_Image(image, url, altText);
}

C2_ImageRotater.prototype.SetLinkElementByID = function(anchorElementId) {					
	this._linkElement = document.getElementById(anchorElementId);
	if(this._linkElement==null) {
		if(C2_ImageRotater_Verbose)
			window.status = "C2_ImageRotate: LinkElement was not found '"+this._linkElement+"'.";
		return;
	}
	
	this._originalHref = this._linkElement.href;
}

/************************************************************
	Nifty Corners
 ************************************************************/
 
function NiftyCheck(){
if(!document.getElementById || !document.createElement)
    return(false);
isXHTML=/html\:/.test(document.getElementsByTagName('body')[0].nodeName);
if(Array.prototype.push==null){Array.prototype.push=function(){
      this[this.length]=arguments[0]; return(this.length);}}
return(true);
}

function Rounded(selector,wich,bk,color,opt){
var i,prefixt,prefixb,cn="r",ecolor="",edges=false,eclass="",b=false,t=false;

if(color=="transparent"){
    cn=cn+"x";
    ecolor=bk;
    bk="transparent";
    }
else if(opt && opt.indexOf("border")>=0){
    var optar=opt.split(" ");
    for(i=0;i<optar.length;i++)
        if(optar[i].indexOf("#")>=0) ecolor=optar[i];
    if(ecolor=="") ecolor="#666";
    cn+="e";
    edges=true;
    }
else if(opt && opt.indexOf("smooth")>=0){
    cn+="a";
    ecolor=Mix(bk,color);
    }
if(opt && opt.indexOf("small")>=0) cn+="s";
prefixt=cn;
prefixb=cn;
if(wich.indexOf("all")>=0){t=true;b=true}
else if(wich.indexOf("top")>=0) t="true";
else if(wich.indexOf("tl")>=0){
    t="true";
    if(wich.indexOf("tr")<0) prefixt+="l";
    }
else if(wich.indexOf("tr")>=0){
    t="true";
    prefixt+="r";
    }
if(wich.indexOf("bottom")>=0) b=true;
else if(wich.indexOf("bl")>=0){
    b="true";
    if(wich.indexOf("br")<0) prefixb+="l";
    }
else if(wich.indexOf("br")>=0){
    b="true";
    prefixb+="r";
    }
var v=getElementsBySelector(selector);
var l=v.length;
for(i=0;i<l;i++){
    if(edges)
    {
		AddBorder(v[i],ecolor);
		if(b && !t) v[i].style.borderTop="1px solid "+ecolor;
		if(t && !b) v[i].style.borderBottom="1px solid "+ecolor;
	}
    if(t) AddTop(v[i],bk,color,ecolor,prefixt);
    if(b) AddBottom(v[i],bk,color,ecolor,prefixb);
    }
}

function AddBorder(el,bc){
var i;
if(!el.passed){
    if(el.childNodes.length==1 && el.childNodes[0].nodeType==3){
        var t=el.firstChild.nodeValue;
        el.removeChild(el.lastChild);
        var d=CreateEl("span");
        d.style.display="block";
        d.appendChild(document.createTextNode(t));
        el.appendChild(d);
        }
    for(i=0;i<el.childNodes.length;i++){
        if(el.childNodes[i].nodeType==1){
            el.childNodes[i].style.borderLeft="1px solid "+bc;
            el.childNodes[i].style.borderRight="1px solid "+bc;
            }
        }
    }
el.passed=true;
}
    
function AddTop(el,bk,color,bc,cn){
var i,lim=8,d=CreateEl("b");

if(cn.indexOf("s")>=0) lim=2;
if(bc) d.className="artop";
else d.className="rtop";
d.style.backgroundColor=bk;
for(i=1;i<=lim;i++){
    var x=CreateEl("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    if(bc) x.style.borderColor=bc;
    d.appendChild(x);
    }
el.style.paddingTop=0;
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,bk,color,bc,cn){
var i,lim=8,d=CreateEl("b");

if(cn.indexOf("s")>=0) lim=2;
if(bc) d.className="artop";
else d.className="rtop";
d.style.backgroundColor=bk;
for(i=lim;i>0;i--){
    var x=CreateEl("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    if(bc) x.style.borderColor=bc;
    d.appendChild(x);
    }
el.style.paddingBottom=0;
el.appendChild(d);
}

function CreateEl(x){
if(isXHTML) return(document.createElementNS('http://www.w3.org/1999/xhtml',x));
else return(document.createElement(x));
}

function getElementsBySelector(selector){
var i,selid="",selclass="",tag=selector,f,s=[],objlist=[];

if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"
    s=selector.split(" ");
    var fs=s[0].split("#");
    if(fs.length==1) return(objlist);
    f=document.getElementById(fs[1]);
    if(f) return(f.getElementsByTagName(s[1]));
    return(objlist);
    }
if(selector.indexOf("#")>0){ //id selector like "tag#id"
    s=selector.split("#");
    tag=s[0];
    selid=s[1];
    }
if(selid!=""){
    f=document.getElementById(selid);
    if(f) objlist.push(f);
    return(objlist);
    }
if(selector.indexOf(".")>0){  //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass=="")
    return(v);
for(i=0;i<v.length;i++){
    if(v[i].className.indexOf(selclass)>=0){
        objlist.push(v[i]);
        }
    }
return(objlist);
}

function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
    x=parseInt(c1.substr(1+step1*i,step1),16);
    if(step1==1) x=16*x+x;
    y=parseInt(c2.substr(1+step2*i,step2),16);
    if(step2==1) y=16*y+y;
    r[i]=Math.floor((x*50+y*50)/100);
    }
return("#"+r[0].toString(16)+r[1].toString(16)+r[2].toString(16));
} 

/********************************/
/*   Dictionary 	            */
/********************************/

function GetAbsLeft(element) {
	var xPos = element.offsetLeft;
	var tempEl = element.offsetParent;
  	while (tempEl != null) {
  		xPos += tempEl.offsetLeft;
  		tempEl = tempEl.offsetParent;
  	}
	return xPos;	
}

function GetAbsTop(element) {
	var yPos = element.offsetTop;
	var tempEl = element.offsetParent;
  	while (tempEl != null) {
  		yPos += tempEl.offsetTop;
  		tempEl = tempEl.offsetParent;
  	}
	return yPos;
}
	
dicElements = new Array();
function dicLookup(imgEvent,wordId) {	
	
	var element = dicElements[wordId];
	if(element==null) {
		element = document.createElement("div");
		element.className = "dicDescriptionBox";
		
		// element.onmouseover = String(imgEvent.srcElement.onmouseover);
		// element.onmouseout = String(imgEvent.srcElement.onmouseout);
		
		element.innerHTML = "<strong>" + dictionary[wordId].Word + ":</strong> " + dictionary[wordId].Description;
		document.body.appendChild(element);
		
		dicElements[wordId] = element;
	}
	
	// alert(imgEvent);
	if(dicElements[wordId].hideTimer!=null) {
		window.clearTimeout(dicElements[wordId].hideTimer);
	}

	var srcElement = (imgEvent.target || imgEvent.srcElement);
	
	var curX = GetAbsLeft(srcElement)+11;
	var curY = GetAbsTop(srcElement)+11;
		
	element.style.display = "";
	element.style.left = curX+"px";
	element.style.top = curY+"px";	
}

function dicHide(imgEvent,wordId) {
	if(dicElements[wordId]!=null) {
		dicElements[wordId].hideTimer = 
			window.setTimeout("dicElements["+wordId+"].style.display = \"none\";dicElements["+wordId+"].hideTimer=null", 200);
	}	
}

/****************************************/
/*   PDK - hover menu pop-up            */
/****************************************/

function pdkGetMenuId(element) {
	var cn = element.className;	
	cn.search(/menu_row([\d]+)/ig);
	var menuId = RegExp.$1;
	return menuId;
}

var noteElement;

function pdkMenuOver(element) {
	/* Disabled
	var menuId = pdkGetMenuId(element);
	if(menuId!="") {
		noteElement = document.getElementById("menuNote"+menuId);
		
		noteElement.style.top = (GetAbsTop(element) + element.offsetHeight) + "px";
		noteElement.style.left = (GetAbsLeft(element) - (menuId=="1"?0:2)) + "px";

		var noteWidth = element.offsetWidth-(menuId=="1"?12:10);
		noteElement.style.width = noteWidth + "px";
		
		noteElement.style.display = "block";
	}
	*/
}

function pdkMenuOut(element) {
	/* Disabled
	var menuId = pdkGetMenuId(element);
	if(menuId!="") {
		var noteElement = document.getElementById("menuNote"+menuId);
		noteElement.style.display = "";		
	}
	*/
}


/********************************/
/*   Decode HTML 	            */
/********************************/

function decodeHTML(html)
{
	var str = html;
	
	str = str.replace(/&AElig;/g, "Æ");
	str = str.replace(/&aelig;/g, "æ");
	str = str.replace(/&Aring;/g, "Å");
	str = str.replace(/&aring;/g, "å");
	str = str.replace(/&Oslash;/g, "Ø");
	str = str.replace(/&oslash;/g, "ø");

	return str;
}