// JavaScript Document
/***********************************************
* LRDimage Changer at region
***********************************************/
function ChangeLRDImage(region) {
    var rValgt =parseInt(region);
    if (rValgt!=0) {
         MM_swapImage('Image1','','/images/gfx/dk-kort.gif',0);
    } else {
        MM_swapImage('Image1','','/images/gfx/dk-kort.gif',0);
    }
}
/***********************************************
* Other
***********************************************/
function MM_openBrWindow(theURL,winName,features) { //v2.0
    window.open(theURL,winName,features);
}
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_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_findObj(n, d) { //v4.01
    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 && d.getElementById) x=d.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];
    }
}
/***********************************************
* Map window
***********************************************/
function ShowMap(url,width,height) {    
    var map_window = open(url,"Map","width="+width+",height="+height+", toolbar=no,status=no,directories=no,scrollbars=no,resizable=no,menubar=no");
}
/***********************************************
* VisHus
***********************************************/
function splitter(objSrc) {
	if(objSrc.value.length>1) {			
		var HHHH = document.VisHusForm.HHHH;	
		HHHH.focus();				
		HHHH.value = objSrc.value.substring(2).replace('-','');
		objSrc.value = objSrc.value.substring(0,2);
	}		
}
function VisHus() {
	var RR = document.VisHusForm.RR.value;
	var HHHH = document.VisHusForm.HHHH.value;
	if( RR.length>0 ) {
		if( HHHH.length>0 && IsNumeric(HHHH) ) {
			showdetails("?d="+ RR +"-"+ HHHH);
		}
	}
}
function IsNumeric(sText) {
   var ValidChars = "0123456789";
   var IsNumber=true; 
   for (i = 0; i < sText.length && IsNumber == true; i++) { 
 	  var Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) {
         return false;
      }
   }
   return IsNumber;   
}
/***********************************************
* Cycle pictures on houses
***********************************************/
function changeImage(direction) {
    which_image_loaded += direction;
    if (which_image_loaded < 0)
    which_image_loaded = NUMBER_OF_IMAGES - 1;
    if (which_image_loaded == NUMBER_OF_IMAGES)
    which_image_loaded = 0;
    if (document.images) {
        document.houseimage.src = ImageNames[which_image_loaded];
        writeit( (which_image_loaded+1), 'div_number');
    }
} 
/***********************************************
* Misc
***********************************************/
function writeit(text,id) {
    if (document.getElementById) {            
        var x = document.getElementById(id);
        x.innerHTML = '';
        x.innerHTML = text;
    } else if (document.all) {            
        var x = document.all[id];
        x.innerHTML = text;
    } else if (document.layers) {            
        var x = document.layers[id];
        text2 = '<P>' + text + '</P>';
        x.document.open();
        x.document.write(text2);
        x.document.close();
    }
}
function addfav() {
    var title;var url;title=document.title;url=location.href;
    if (document.all) {
        window.external.AddFavorite(url, title);
    } else if(window.sidebar) {
        window.sidebar.addPanel(title, url, "");
    }
}
/***************************************
Show Hide layer
****************************************/
menu_status = new Array();
function showHide(theid) {
    if (document.getElementById) {
    	var switch_id = document.getElementById(theid);
        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        } else {
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
    }
}
function showdetails(val) {
    window.location="/suchen_und_buchen/vishus.aspx"+val;    
}
function book(val) {
    window.location="/suchen_und_buchen/booking.aspx"+val;    
}
function clearsearchform() {
 document.cookie="SBCOOKIE=;PATH=/;expires=Thu, 01-Jan-1970 00:00:01 GMT";
 window.location='';
}
/************************************************************
* NotesblokCookie
*************************************************************/
function getexpirydate(nodays) {
    var UTCstring;
    Today = new Date();
    nomilli=Date.parse(Today);
    Today.setTime(nomilli+nodays*24*60*60*1000);
    UTCstring = Today.toUTCString();
    return UTCstring;
}
function setcookie(name,value,duration) {
    cookiestring=name+"="+escape(value)+";PATH=/";
    if(duration) cookiestring += ";EXPIRES="+getexpirydate(duration);
    document.cookie=cookiestring;
    if(!getcookie(name)) return false;
    else return true;
}
function getcookie(cookiename) {
    var cookiestring=""+document.cookie;
    var index1=cookiestring.indexOf(cookiename);
    if (index1==-1 || cookiename=="") return ""; 
    var index2=cookiestring.indexOf(';',index1);
    if (index2==-1) index2=cookiestring.length; 
    return unescape(cookiestring.substring(index1+cookiename.length+1,index2));
}
function updateHouselist() {
    var HLCOOKIE = getcookie('HLCOOKIE');
    var elements = HLCOOKIE.split('#');
    var outputline = '';
    var count = 0;
    for(var i=0;i<elements.length;i++) {
        var element = elements[i].split('*');
        if(element[0].length>0) count++;
        var chkbox = document.getElementById('HL'+element[0]);
        if(chkbox) chkbox.checked = true;       
    }
    if(document.getElementById('husliste')) {
        if(count==0) {
            writeit('','husliste');            
        } else if(count==1) {
             writeit('('+ count +') ','husliste');
        } else {
            writeit('('+ count +')','husliste');      
        }                                          
	}
}   
function removeHouseElement(houseid,cookiename,duration) {
    var objCOOKIE = getcookie(cookiename);
    setcookie(cookiename,'',-1);
    var elements = objCOOKIE.split('#');
    for(var i=0;i<elements.length;i++) {
        var element = elements[i].split('*'); 
        if(element[0] != houseid) {
	        if(duration) addHouseElement(element[0],element[1],cookiename,duration);
        	else {
	        	if(element[2]&&element[3]&&element[4])
		        	addHouseElement(element[0],element[1]+'*'+element[2]+'*'+element[3]+'*'+element[4],cookiename); 	        		
	        	else
		        	addHouseElement(element[0],element[1],cookiename); 
        	}         
        }
    }
}
function addHouseElement(houseid,season,cookiename,duration) {
    var objCOOKIE = getcookie(cookiename);
    if(objCOOKIE.length>0) {
        var elements = objCOOKIE.split('#');     
        var elementexists = false;     
        for(var i=0;i<elements.length;i++) {
            var element = elements[i].split('*');          
            if(element[0] == houseid && element[1] == season) elementexists = true;          
        }
        if(!elementexists) 
        {
        	if(duration) setcookie(cookiename,objCOOKIE +'#'+ houseid +'*'+ season,duration);
        	else setcookie(cookiename,objCOOKIE +'#'+ houseid +'*'+ season);
    	}     
    } else {
        if(duration) setcookie(cookiename,houseid +'*'+ season,duration);
        else setcookie(cookiename,houseid +'*'+ season);   
    }            
}

function removeHouseFromList(houseid,formid) {
	removeHouseElement(houseid,'HLCOOKIE',365);
	if(formid) document.forms[formid].submit();
	else document.forms[1].submit();
}


function addToFavorites(obj,houseid,season) {
    if(obj.checked) {
        addHouseElement(houseid,season,'HLCOOKIE',365);    
    } else {
        removeHouseElement(houseid,'HLCOOKIE',365);
    }
    updateHouselist();    
}
function addToCompare(obj,houseid,season, startdate, enddate, price) {
    if(obj.checked) {
	    var elements = getcookie('SLCOOKIE').split('#');
	    if(elements.length<=4)
	        addHouseElement(houseid,season+'*'+startdate+'*'+enddate+'*'+price,'SLCOOKIE'); 
    	else { alert("Du må kun smide 5 huse på");obj.checked=false;}   
    } else {
        removeHouseElement(houseid,'SLCOOKIE');
    }       
}
function getCompared() {
	var liste = "";
	var elements = getcookie('SLCOOKIE').split('#');
	for(var i=0;i<elements.length;i++) {		
        var element = elements[i].split('*');          
        if(element[0]) { liste += element[0];
        if(i+1<elements.length) liste += ":";}          
    }
    return liste;
}
