var o_status=0;
var agt=navigator.userAgent.toLowerCase();
var ie   = (agt.indexOf('msie') != -1);


function init(op, id, n_id, ccount){


  if(ccount==1){
  body();
  }

  window.status=ccount;

  window.moveTo(0,0);
  window.resizeTo(screen.width, screen.height);

  var sel=0;
  var show_achtergrond=0;
  var content_achtergrond="achtergrond.jpg";
  var content_schaduw="schaduw.png";
  var corr=0;
  var de_diensten;
  var content_h;
  var links_h;
  var menu_h;
  var w_x=(ie)? document.body.clientWidth:window.innerWidth;
  var w_y=(ie)? document.body.clientHeight:window.innerHeight;



if(op==""){show_achtergrond=1; }
if(op=="projekten" && n_id==""){show_achtergrond=1; }
if(op=="museum" && n_id==""){show_achtergrond=1; }

if(op=="site_algemeen" && (id!="5" || id!="6" || id!="7")){
show_achtergrond=1;
if(id=="3"){
content_achtergrond="sytze-klein.jpg";
content_schaduw="sytze-kleins.png";
}

}
  //alert(show_achtergrond+" | "+n_id);


  if(op=="site_algemeen" && (id=="5" || id=="6" || id=="7")){
  var sel="dienst_"+id;
  show_achtergrond=0;
  }

  if(!ie){
  var content_hh=document.getElementById("content_tbl").offsetHeight;
 //alert(content_hh);
  document.getElementById("content").style.height=content_hh;
  }

  setmenu(sel, op, id, w_y);

  /*** positie adres ***/
  var depng=document.getElementById("schaduw");
  var adres_div=document.getElementById("adres");
  var adres_h=getOffsetTop(depng)+83;
  adres_div.style.display="block";
  adres_div.style.top=adres_h-6;
  adres_div.style.left=(w_x/2)-402;


  /*** schaduw en content img ***/
  var content_bg=document.getElementById("content_tbl");

 
 if(show_achtergrond=="1"){
 var depng=document.getElementById("schaduw");

  if(ie){
  depng.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/"+content_schaduw+"', sizingMethod='scale')";
  }else{
  depng.src="./images/"+content_schaduw;
  }

  content_bg.style.backgroundImage="url(./images/algemeen/"+content_achtergrond+")";
  content_bg.style.backgroundPosition="548 100%";
  content_bg.style.backgroundRepeat="no-repeat";
  }else{
  content_bg.style.background="";
  }

  window.onresize = function(){
  init(op, id, n_id, 0);
  }
  //body();
  }



function setmenu(sel, op, id, w_y){
  var corr_y=0;
  var corr2_y=0;
  var corr_x=0;
  var corr2_x=0;
  var bg_imgs = new Array("lmk", "bronnenbouw", "navigatie");
  var w_x;
  var w_y;
  var bg_format;
  var diensten_div=document.getElementById("diensten_menu");
  var anckor=document.getElementById("m_250");

  if(!ie){
  corr_y=1;
  corr2_y=2;
  }else{
  corr_y=0;
  corr_x=1;
  }

  if(w_y<=682){
  bg_format=2;
  }else if(w_y<=768){
  bg_format=3;
  } else{
  bg_format=4;
  }




 /*** positie menu ***/
  anker_x = getOffsetLeft(anckor);
  anker_y = getOffsetTop(anckor);
  diensten_div.style.top=anker_y-corr_y;
  diensten_div.style.left=corr_x+anker_x;
  diensten_div.style.display="block";


  /*** dimensies menu ***/
  if(sel!="0"){


  var de_diensten=diensten_div.getElementsByTagName("td");
  for(i=0; i<de_diensten.length; i++){

  if(sel==de_diensten[i].id){
  var bg_img=bg_imgs[i]+bg_format+".jpg";

  var links_h=document.getElementById("links").offsetHeight;
  var content_h=corr2_y+document.getElementById("content").offsetHeight;
  menu_h=(content_h+links_h)-(de_diensten.length*16)+5;
  document.getElementById(sel).style.height=menu_h;

  if(i!="2"){
  document.getElementById(sel).style.backgroundImage="url(./images/algemeen/"+bg_img+")";
  document.getElementById(sel).style.backgroundPosition= "0 80%";
  document.getElementById(sel).style.backgroundRepeat="no-repeat";
  }else{
  //document.getElementById(sel).style.verticalAlign ="top";
  document.getElementById(sel).style.paddingRight="0px";
  var flash_h=menu_h-80;

  var the_html ="<div style='height:"+flash_h+";position:relative;overflow:hidden;border:0px solid red;'>"
      the_html+="<embed style='margin:0px;padding:0px;border:0px solid red' pluginspage='http://www.macromedia.com/go/getflashplayer'";
      the_html+="src='images/algemeen/navigatie.swf' type='application/x-shockwave-flash'";
      the_html+="height='530' width='249' quality='best' play='true'></embed></div><br><img src='./images/tempdir/menu/HYDROGRAFIE.gif' border=0>&nbsp;&nbsp;&nbsp;&nbsp;";   //"+document.getElementById(sel).innerHTML+"

  document.getElementById(sel).innerHTML=the_html;

  }


  }
  }

  }
}



function getOffsetTop (el) {
  var ot = el.offsetTop;
  while((el = el.offsetParent) != null)
   ot += el.offsetTop;
  return ot;
}

function getOffsetLeft (el) {
  var ol = el.offsetLeft;
  while ((el = el.offsetParent) != null)
    ol += el.offsetLeft;
  return ol;
}

function getOffsetHeight (el) {
  var ol = el.offsetHeight;
  while ((el = el.offsetParent) != null)
    ol += el.offsetHeight;
  return ol;
}

function openWin(root,name,W,H,fullscreen, scrolling, status, resize){
if((navigator.appName=="Microsoft Internet Explorer")&&(navigator.appVersion.indexOf("5.")>=0)){

var resize=1;
var dleft='screen.height-H)/2';
var dtop='screen.height-H)/2';
var myWin=window.open(root,name,"status="+status+"; fullscreen="+fullscreen+"; scrollbars="+scrolling+"; resizable="+resize+"");
myWin.focus();
myWin.resizeTo(W,H);
myWin.moveTo((screen.width-W)/2,(screen.height-H)/2);

}
if(navigator.appName=="Netscape" || navigator.platform.indexOf("MacPPC")>= 0){
myWin = open(root,name,'width='+W+',height='+H+',resizable=yes');
myWin.moveTo((screen.width-W)/2,(screen.height-H)/2);
myWin.focus();
}
}


function body(){

var tag='./modules/statistieken/footergif.php'
var agt=navigator.userAgent.toLowerCase()
var navUserAgent = navigator.userAgent;

var major = parseInt(navigator.appVersion)
var minor = parseFloat(navigator.appVersion)
var ie   = (agt.indexOf('msie') != -1)
var ie3=(ie && (major == 2))
var win=((agt.indexOf('win')!=-1) || (agt.indexOf('16bit')!=-1))

if(win) {
tag+=('?referrer='+escape(top.document.referrer))

//if(screen.availWidth>0) {
//  tag+=('&schermgrootte='+screen.availWidth+'x'+screen.availHeight)
//}

if(parseInt(navigator.appVersion)>3) {
  if(screen.availWidth>0) {
  tag+=('&schermgrootte='+screen.width+'x'+screen.height)
  tag+=('&kleurdiepte='+screen.colorDepth)
  }

  }
}

var hetiframe=document.getElementById("communicatieframe");
hetiframe.src=tag;

}


function link_mouse(the_image){
delink=document.getElementById('link_img');

if(the_image=="uit"){
delink.src="images/links/leeg.gif";

}else{
delink.src="images/links/"+the_image;
}

}

function fadeOut (obj) {
   var agt=navigator.userAgent.toLowerCase()
   var ie   = (agt.indexOf('msie') != -1)

    if(ie){
        obj.style.filter="blendTrans(duration=1)";

        if ((obj.visibility != "hidden") && (obj.filters.blendTrans.status != 1)) {
        obj.filters.blendTrans.Apply();
        obj.style.visibility="hidden";
        obj.filters.blendTrans.Play();
        }

        }else{
        document.getElementById("intro").style.display="none";
        }
}

function showocc_img(occimg){
deimg=document.getElementById("museum_img");


if(occimg!=""){
deimg=document.getElementById("museum_img");
deimg.src=occimg;
dediv=document.getElementById("museum_div");
o_status=0;


if(o_status==1){
o_status=0;
showocc_content();
deimg=document.getElementById("museum_img");
deimg.src=occimg;
dediv.style.display='none';
}else if(o_status==0){
o_status=1;
deimg=document.getElementById("museum_img");
deimg.src=occimg;
dediv.style.display='block';
}

}else{
deimg.style.border=0;
}

}

function showocc_content(){
dediv=document.getElementById("museum_div");
dediv.style.display='none';
}


function keepUp(){
window.resizeTo(screen.width,screen.height);
window.moveTo(0,0);

}