function put_dep_date()
	{
	var aankomst = document.formtab1.arriv_day.value + '-' + document.formtab1.arriv_my.value ;	
	d = aankomst.substring(0,2);
	m = aankomst.substring(3,5);
	y = aankomst.substring(6,10);
	m = m -1 ;

mindate = new Date(y,m,d);
mindate.setDate(mindate.getDate() + 3);

day2 = mindate.getDate();
month2 = mindate.getMonth()+1;
year2 = mindate.getFullYear();

  if(month2<10)
  {
  	month2 = '0'+month2;
  }

  if(day2<10)
  {
  	day2 = '0'+day2;
  }

putmy =  month2+'-'+year2;
document.formtab1.depa_day.value = day2;
document.formtab1.depa_my.value = putmy;


	}


function numtext(indate)
{
var d = indate.substring(0,2);
var m = indate.substring(3,5) - 1 ;
var y = indate.substring(6,10);
return (d + ' ' + MonthNames[m] + ' ' + y);
}

function foundnone()
{
alert(msg["foundnone"]);
return true;
}

function srch_num(Frm)
{
var rt=false;
if(Frm.locnr.value == ""){msgboxform(msg["locnr"]);return rt;}
return true;
}

function set_adult()
{
	
		var zoekpers = document.formtab1.zoekpers.value  ;
		document.formtab1.adult.value 	= zoekpers;
}

function cf_2(Frm)
{
var rt=false;
if(trim(Frm.naw_voornaam.value) == ""){msgboxform(msg["fillall"]);return rt;}
if(trim(Frm.naw_achternaam.value) == ""){msgboxform(msg["fillall"]);return rt;}
if(trim(Frm.naw_straat.value) == ""){msgboxform(msg["fillall"]);return rt;}
if(trim(Frm.naw_postcode.value) == ""){msgboxform(msg["fillall"]);return rt;}
if(trim(Frm.naw_plaats.value) == ""){msgboxform(msg["fillall"]);return rt;}
if(Frm.landcode.value == ""){msgboxform(msg["fillall"]);return rt;}
if(trim(Frm.email.value) == ""){msgboxform(msg["fillall"]);return rt;}
if(Frm.naw_telwerk.value == ""){msgboxform(msg["fillall"]);return rt;}
if(Frm.naw_telprive.value == ""){msgboxform(msg["fillall"]);return rt;}
if(Frm.GEBmaand.value == ""){msgboxform(msg["fillall"]);return rt;}
if(Frm.GEBdag.value == ""){msgboxform(msg["fillall"]);return rt;}
if(Frm.GEBjaar.value == ""){msgboxform(msg["fillall"]);return rt;}

return true;
}

function cf_3(Frm)
{
var rt=false;
	if(oc(Frm.www_pas)) 	
	{
		rt=true;
	}
if(Frm.RES_aank_vlucht_u.value == "" && Frm.RES_aank_van_u.value == ""){msgboxform(msg["fillarrival"]);
rt=false;
}
return rt;
}

function oc(formField)
{var rt=true;
if(formField.checked == false){msgboxform(msg["pass"]);rt=false;}return rt;}

function cf1b(Frm)
{
	var rt=true;
	if(!oc(Frm.www_pas)) 	rt=false;
	if( Frm.RES_aank_van_u.value == "" || Frm.RES_aank_van_u.value == "00" )
	{if( Frm.RES_aank_vlucht_u.value == "" || Frm.RES_aank_vlucht_u.value == "00"){
		
		mreq('arrival time');rt=false;}}return rt;}


function req(Frm)
{
var rt=false;
if(Frm.firstname.value == ""){msgboxform(msg["firstname"]);return rt;}
if(Frm.lastname.value == ""){msgboxform(msg["lastname"]);return rt;}
if(Frm.country.value == ""){msgboxform(msg["country"]);return rt;}
if(trim(Frm.email.value) == ""){msgboxform(msg["email"]);return rt;}
if(!echeck(Frm.email.value)){msgboxform(msg["email"]);return rt;}


return true;
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    // alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    // alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    // alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}


function srch(Frm)
{
var rt=false;

if(Number(Frm.adult.value)+Number(Frm.child.value)+Number(Frm.todd.value)>4){msgboxform(msg["maxpers"]);Frm.adult.focus();return rt;}

	var aankomst = document.formtab1.arriv_day.value + '-' + document.formtab1.arriv_my.value ;	
	da = aankomst.substring(0,2);
	ma = aankomst.substring(3,5);
	ya = aankomst.substring(6,10);
	ma = ma -1 ;

	var vertrek = document.formtab1.depa_day.value + '-' + document.formtab1.depa_my.value ;	
	dv = vertrek.substring(0,2);
	mv = vertrek.substring(3,5);
	yv = vertrek.substring(6,10);
	mv = mv -1 ;

	depdate = new Date(yv,mv,dv);

	mindate = new Date(ya,ma,da);
	mindate.setDate(mindate.getDate() + 3);

	maxdate = new Date(ya,ma,da);
	maxdate.setDate(maxdate.getDate() + 21);

	if (depdate.getTime() < mindate.getTime() || depdate.getTime() > maxdate.getTime())
	{		
	msgboxform(msg["minmax"]);	
	return false;

	}


return true;
}



function ColorIt(welk)
{
var el = document.getElementById(welk);
el.style.color = '#ff6c00';
}

function deColorIt(welk)
{
var el = document.getElementById(welk);
el.style.color = '#036';
}



function msgboxform(msg)
{
alert(msg);
} 


function mo(){document.krt.src='http://www.citymundo.com/i/map/leeg.gif';
	document.getElementById('kfor').innerHTML = '';
return true;}
function mi(gifname,locname){
	document.getElementById('kfor').innerHTML = locname;

document.krt.src='http://www.citymundo.com/i/map/'+gifname+'.gif';return true;}

function childklapper()
{
set_adult();
var el;
el = document.getElementById('blok2')
el.style.display = 'block';

el = document.getElementById('blok1')
el.style.display = 'none';

}

function bynumklapper()
{
	var el;
el = document.getElementById('bloknum2')
el.style.display = 'block';

el = document.getElementById('bloknum1')
el.style.display = 'none';

}


function klapper()
{
	var el;
el = document.getElementById('klapperaa')
el.style.display = 'block';

el = document.getElementById('klapperab')
el.style.display = 'none';

}


function klapuit(blok)
{
	var el;
el = document.getElementById(blok)
el.style.display = 'block';
}

function klapin(blok)
{
	var el;
el = document.getElementById(blok)
el.style.display = 'none';

}

//Chrome Drop Down Menu v2.01- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated: November 14th 06- added iframe shim technique

var cssdropdown={
disappeardelay: 100, //set delay in miliseconds before menu disappears onmouseout
disablemenuclick: false, //when user clicks on a menu item with a drop down menu, disable menu item's link?
enableswipe: 1, //enable swipe effect? 1 for yes, 0 for no
enableiframeshim: 1, //enable "iframe shim" technique to get drop down menus to correctly appear on top of controls such as form objects in IE5.5/IE6? 1 for yes, 0 for no

//No need to edit beyond here////////////////////////
dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, swipetimer: undefined, bottomclip:0,

getposOffset:function(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
},

swipeeffect:function(){
if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
}
else
return
this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
},

showhide:function(obj, e){
if (this.ie || this.firefox)
this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
if (this.enableswipe==1){
if (typeof this.swipetimer!="undefined")
clearTimeout(this.swipetimer)
obj.clip="rect(0 auto 0 0)" //hide menu via clipping
this.bottomclip=0
this.swipeeffect()
}
obj.visibility="visible"
}
else if (e.type=="click")
obj.visibility="hidden"
},

iecompattest:function(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
},

clearbrowseredge:function(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=this.ie && !window.opera? this.iecompattest().scrollLeft+this.iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=this.ie && !window.opera? this.iecompattest().scrollTop : window.pageYOffset
var windowedge=this.ie && !window.opera? this.iecompattest().scrollTop+this.iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
},

dropit:function(obj, e, dropmenuID){
if (this.dropmenuobj!=null) //hide previous menu
this.dropmenuobj.style.visibility="hidden" //hide menu
this.clearhidemenu()
if (this.ie||this.firefox){
obj.onmouseout=function(){cssdropdown.delayhidemenu()}
obj.onclick=function(){return !cssdropdown.disablemenuclick} //disable main menu item link onclick?
this.dropmenuobj=document.getElementById(dropmenuID)
this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu()}
this.dropmenuobj.onmouseout=function(e){cssdropdown.dynamichide(e)}
this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
this.showhide(this.dropmenuobj.style, e)
this.dropmenuobj.x=this.getposOffset(obj, "left")
this.dropmenuobj.y=this.getposOffset(obj, "top")
this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
this.positionshim() //call iframe shim function
}
},

positionshim:function(){ //display iframe shim function
if (this.enableiframeshim && typeof this.shimobject!="undefined"){
if (this.dropmenuobj.style.visibility=="visible"){
this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
this.shimobject.style.left=this.dropmenuobj.style.left
this.shimobject.style.top=this.dropmenuobj.style.top
}
this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
}
},

hideshim:function(){
if (this.enableiframeshim && typeof this.shimobject!="undefined")
this.shimobject.style.display='none'
},

contains_firefox:function(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
},

dynamichide:function(e){
var evtobj=window.event? window.event : e
if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
this.delayhidemenu()
else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
this.delayhidemenu()
},

delayhidemenu:function(){
this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay) //hide menu
},

clearhidemenu:function(){
if (this.delayhide!="undefined")
clearTimeout(this.delayhide)
},

startchrome:function(){
for (var ids=0; ids<arguments.length; ids++){
var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
for (var i=0; i<menuitems.length; i++){
if (menuitems[i].getAttribute("rel")){
var relvalue=menuitems[i].getAttribute("rel")
menuitems[i].onmouseover=function(e){
var event=typeof e!="undefined"? e : window.event
cssdropdown.dropit(this,event,this.getAttribute("rel"))
}
}
}
}
if (window.createPopup && !window.XmlHttpRequest){ //if IE5.5 to IE6, create iframe for iframe shim technique
document.write('<IFRAME id="iframeshim"  src="" style="display: none; left: 0; top: 0; z-index: 90; position: absolute; filter: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)" frameBorder="0" scrolling="no"></IFRAME>')
this.shimobject=document.getElementById("iframeshim") //reference iframe object
}
}

}

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}