var opc = 0;
var section = null;

function init()
{
	showHeader();	
	setMenuActive();
}

function setMenuActive()
{
	var url			= String( document.location );
	var firstslash	= url.indexOf('/', 10 );
	var section		= url.substring( 0, url.indexOf('/', firstslash + 1 ) ) + "/";	
	var menu		= document.getElementById('menu');
	var menuitems	= menu.getElementsByTagName('A');
	
	for ( test in menuitems )
	{
		var url = menuitems[test].href;
		
		if ( url != undefined )
		{
			if ( section == url )
			{
				menuitems[test].style.background = "url(/media/images/site/menu_bg.png)";
			}
		}
	}
}

function showHeader()
{
	if ( bgObj = document.getElementById('backgroundimage') )
	{
		
		switch ( section )
		{
			case 'bachelor':
				images	= ["07.jpg", "08.jpg", "09.jpg", "10.jpg"];
				break;
		
			case 'master':
				images	= ["01.jpg", "03.jpg", "04.jpg", "05.jpg", "06.jpg"];
				break;
				
			default:
				images	= ["01.jpg", "03.jpg", "04.jpg", "05.jpg", "06.jpg", "07.jpg", "08.jpg", "09.jpg", "10.jpg"];
				break;
		}
		
	
	
		if ( bgObj.src == "" )
		{
			randomi	= Math.floor(Math.random() * images.length);
			bgObj.src = "/media/images/site/headers/" + images[randomi];
		}
		
		loadCheck( bgObj );
	}
}

function loadCheck( bgObj )
{
	if ( bgObj.complete == false )
	{
		setTimeout(function(){loadCheck(bgObj)}, 20);	
	}
	else
	{
		bgObj.style.opacity			= "0";
		bgObj.style.MozOpacity		= "0";
		bgObj.style.KhtmlOpacity	= "0";
		bgObj.style.filter			= "alpha(opacity=0)";
		bgObj.style.visibility		= "visible";
		
		fadeIn( bgObj );
	}
}

function fadeIn(id1)
{
	if ( opc < 100 )
	{
		opc += 5;
		changeOpacity(id1);
		setTimeout(function(){fadeIn(id1)}, 20);
	}
}
	
function changeOpacity(obj)
{
	if (opc == 0)
	{
		opacity = 0;
	}
	else
	{
		opacity = opc / 100;
	}

	obj.style.opacity		= opacity;
	obj.style.MozOpacity	= opacity;
	obj.style.KhtmlOpacity	= opacity;
	obj.style.filter		= "alpha(opacity=" + opc + ")";
}


function setactive (id)
{
	var error = "";
	
	if (id == 2)
	{
		if (document.inschrijving.universiteit.value == "")			error += "Onderwijsinstelling\n";
		if (document.inschrijving.opleiding.value == "")			error += "Naam opleiding\n";
		if (document.inschrijving.afstudeerrichting.value == "")	error += "Afstudeerrichting\n";
		if (document.inschrijving.jaar_diploma.value == "")			error += "Diploma behaald in\n";
		
		if (document.inschrijving.hoofdvakken.value == "")			error += "Hoofdvakken\n";
		if (document.inschrijving.keuzevakken.value == "")			error += "Bij-en keuzevakken\n";
		if (document.inschrijving.onderwerp_stage.value == "")		error += "Onderwerp stage\n";
		if (document.inschrijving.onderwerp_scriptie.value == "")	error += "Onderwerp scriptie\n";
		
		if (document.inschrijving.cv.value == "")					error += "C.V. Document\n";
	}


	if (id == 3)
	{
		if (document.inschrijving.motivatie.value == "")			error += "Motivatie voor sollicitatie\n";
		if (document.inschrijving.interesseprofiel.value == "")		error += "Werk & interesse\n";
		if (document.inschrijving.prestatie.value == "")			error += "Prestatie\n";
		if (document.inschrijving.persheidsprofiel.value == "")		error += "Persoonlijkheidsprofiel\n";
		if (document.inschrijving.persbijdrage.value == "")			error += "Persoonlijke bijdrage\n";
	}
	
	
	if (id == 4)
	{
		if (document.inschrijving.achternaam.value == "")			error += "Achternaam\n";
		if (document.inschrijving.voorletters.value == "")			error += "Voorletter(s)\n";
		if (document.inschrijving.roepnaam.value == "")				error += "Roepnaam\n";
		if (document.inschrijving.geslacht.value == "")				error += "Geslacht\n";
		if (document.inschrijving.adres.value == "")				error += "Adres\n";
		if (document.inschrijving.postcode.value == "")				error += "Postcode\n";
		if (document.inschrijving.woonplaats.value == "")			error += "Woonplaats\n";
		if (document.inschrijving.telefoon_mobiel.value == "")		error += "Telefoonnummer mobiel\n";
		if (document.inschrijving.telefoon_prive.value == "")		error += "Telefoonnummer prive\n";
		if (document.inschrijving.email.value == "")				error += "E-mailadres\n";
		if (document.inschrijving.geboortedatum.value == "")		error += "Geboortedatum\n";
		if (document.inschrijving.attendering.value == "")			error += "Sollicitatie naar aanleiding van\n";
	}
	
	if (error)
	{	
		alert ("Je bent de volgende velden vergeten:\n" + error);
		return false;
	}
	
	if (id == 4)
	{
		document.getElementById("res_universiteit").innerHTML		= document.inschrijving.universiteit.value;
		document.getElementById("res_opleiding").innerHTML			= document.inschrijving.opleiding.value;
		document.getElementById("res_afstudeerrichting").innerHTML	= document.inschrijving.afstudeerrichting.options[document.inschrijving.afstudeerrichting.selectedIndex].value;
		document.getElementById("res_jaar_diploma").innerHTML		= document.inschrijving.jaar_diploma.value;
		document.getElementById("res_hoofdvakken").innerHTML		= document.inschrijving.hoofdvakken.value.replace(/\n/g, "<br />");
		document.getElementById("res_keuzevakken").innerHTML		= document.inschrijving.keuzevakken.value.replace(/\n/g, "<br />");
		document.getElementById("res_onderwerp_stage").innerHTML	= document.inschrijving.onderwerp_stage.value.replace(/\n/g, "<br />");
		document.getElementById("res_onderwerp_scriptie").innerHTML	= document.inschrijving.onderwerp_scriptie.value.replace(/\n/g, "<br />");
		document.getElementById("res_nevenactiviteiten").innerHTML	= document.inschrijving.nevenactiviteiten.value.replace(/\n/g, "<br />");
		document.getElementById("res_referentie").innerHTML			= document.inschrijving.referentie.value.replace(/\n/g, "<br />");
		document.getElementById("res_cv").innerHTML					= document.inschrijving.cv.value;
		document.getElementById("res_motivatie").innerHTML			= document.inschrijving.motivatie.value.replace(/\n/g, "<br />");
		document.getElementById("res_interesseprofiel").innerHTML	= document.inschrijving.interesseprofiel.value.replace(/\n/g, "<br />");
		document.getElementById("res_prestatie").innerHTML			= document.inschrijving.prestatie.value.replace(/\n/g, "<br />");
		document.getElementById("res_persheidsprofiel").innerHTML	= document.inschrijving.persheidsprofiel.value.replace(/\n/g, "<br />");
		document.getElementById("res_persbijdrage").innerHTML		= document.inschrijving.persbijdrage.value.replace(/\n/g, "<br />");
		document.getElementById("res_achternaam").innerHTML			= document.inschrijving.achternaam.value;
		document.getElementById("res_tussenvoegsel").innerHTML		= document.inschrijving.tussenvoegsel.value;
		document.getElementById("res_voorletters").innerHTML		= document.inschrijving.voorletters.value;
		document.getElementById("res_roepnaam").innerHTML			= document.inschrijving.roepnaam.value;
		document.getElementById("res_titel").innerHTML				= document.inschrijving.titel.value;
		document.getElementById("res_geslacht").innerHTML			= document.inschrijving.geslacht.options[document.inschrijving.geslacht.selectedIndex].value;
		document.getElementById("res_adres").innerHTML				= document.inschrijving.adres.value;
		document.getElementById("res_postcode").innerHTML			= document.inschrijving.postcode.value;
		document.getElementById("res_woonplaats").innerHTML			= document.inschrijving.woonplaats.value;
		document.getElementById("res_telefoon_mobiel").innerHTML	= document.inschrijving.telefoon_mobiel.value;
		document.getElementById("res_telefoon_prive").innerHTML		= document.inschrijving.telefoon_prive.value;
		document.getElementById("res_email").innerHTML				= document.inschrijving.email.value;
		document.getElementById("res_geboortedatum").innerHTML		= document.inschrijving.geboortedatum.value;
		document.getElementById("res_attendering").innerHTML		= document.inschrijving.attendering.options[document.inschrijving.attendering.selectedIndex].value;
	}
	
	document.getElementById("step1").style.display = "none";
	document.getElementById("step2").style.display = "none";
	document.getElementById("step3").style.display = "none";
	document.getElementById("step4").style.display = "none";
	//document.getElementById("step5").style.display = "none";
	
	document.getElementById("step" + id).style.display = "block";
}

//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }

  document.write(str);
}

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblclick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}

/*
window.onload		= init();
window.onpageshow	= function ( evt )
{
	if ( evt.persisted ) init();
};
*/