var p = new Image;
p.src="images/pijltje.jpg";

function openPictureWindow(imageName,imageWidth,imageHeight,titel,posLeft,posTop) {	newWindow = window.open("","newWindow","width="+(imageWidth+2)+",height="+(imageHeight+4+extra_chrome)+",left="+posLeft+",top="+posTop);	newWindow.document.open();	newWindow.document.write('<html><title>'+titel+'</title><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">'); 	newWindow.document.write('<center><img src='+imageName+' width='+imageWidth+' height='+imageHeight+' alt='+titel+'></center>'); 	newWindow.document.write('</body></html>');	newWindow.document.close();	newWindow.focus();}

function menu()  {
document.write('<div id="fixed">'+
'<br>'+
'<center><img src="images/logo.jpg"></center>'+'<h4>&nbsp;Essentialia:</h4>'+
'<a href="index.html">Openingspagina</a>'+'<a href="javascript:void(0)" onMouseOut="ix1=8" onMouseOver="ix1=-1"><div class="naar_sub"><img src="images/pijltje.jpg" style="border: 0px;"></div>Leerlingen en leraren</a>'+'\<script>document.write(tekst1)\<\/script>'+
'<a href="lesstof.html">Lesstof, excursies e.d.</a>'+
'<a href="erfgoed.html">Klassiek erfgoed</a>'+'<a href="javascript:void(0)" onMouseOut="ix2=8" onMouseOver="ix2=-1"><div class="naar_sub"><img name="p3" src="images/pijltje.jpg" style="border: 0px;"></div>Historische overzichten</a>'+
'\<script>document.write(tekst2)\<\/script>'+
'<a href="goden.html">De godenwereld</a>'+'<h4>&nbsp;Curiosa:</h4>'+'<a href="latijnse_les.html">Latijnse les</a>'+'<a href="letters.html">Griekse letters</a>'+'<a href="voorzetsels.html">Klassieke voorzetsels</a>'+'<a href="rom_datum.html">Romeinse kalender</a>'+'<a href="javascript:void(0)" onMouseOut="ix3=8" onMouseOver="ix3=-1"><div class="naar_sub"><img src="images/pijltje.jpg" style="border: 0px;"></div>Foto\'s e.d.</a>'+'\<script>document.write(tekst3)\<\/script>'+
'<a href="javascript:void(0)" onMouseOut="ix4=8" onMouseOver="ix4=-1"><div class="naar_sub"><img src="images/pijltje.jpg" style="border: 0px;"></div>Andere bronnen</a>'+'\<script>document.write(tekst4)\<\/script>'+
'<a href="uitdekrant.html">Uit de krant</a>'+'<a href="contact.html">Contact ...</a>'+'</div>');
}

ix1=8;
ix2=8;
ix3=8;
ix4=8;
tekst1='<span id=\'invul1\'><\/span><script type=\"text/javascript\">vul_in1()<\/script>'
tekst2='<span id=\'invul2\'><\/span><script type=\"text/javascript\">vul_in2()<\/script>'
tekst3='<span id=\'invul3\'><\/span><script type=\"text/javascript\">vul_in3()<\/script>'
tekst4='<span id=\'invul4\'><\/span><script type=\"text/javascript\">vul_in4()<\/script>'

function vul_in1() {
ix1++;
 if ((ix1<9) && (ix1>1)) {
document.getElementById('invul1').innerHTML='<div id="rel1"><div id="fixed1">'+
'<a class="sub" href="leerlingen.html" onMouseOut="ix1=7" onMouseOver="ix1=1">leerlingen ...</a>'+'<a class="sub" href="leraren.html" onMouseOut="ix1=7" onMouseOver="ix1=1">leraren ...</a>'+'</div></div>';
if (ix1<3) {window.setTimeout('vul_in1()',1300)} else {window.setTimeout('vul_in1()',100)};
} else { if (ix1==9) {
document.getElementById('invul1').innerHTML='<div id="rel1"><div id="schoon1"></div></div>';
window.setTimeout('vul_in1()',300)
} else { document.getElementById('invul1').innerHTML=''; window.setTimeout('vul_in1()',300) }
}
}

function vul_in2() {
ix2++;
 if ((ix2<9) && (ix2>1)) {
document.getElementById('invul2').innerHTML='<div id="rel2"><div id="fixed2">'+
'<a class="sub" href="gr_gs.html" onMouseOut="ix2=7" onMouseOver="ix2=1">jaartallen Griekse Oudheid</a>'+'<a class="sub" href="rom_gs.html" onMouseOut="ix2=7" onMouseOver="ix2=1">jaartallen Romeinse Oudheid</a>'+
'<a class="sub" href="gr_schrijvers.html" onMouseOut="ix2=7" onMouseOver="ix2=1">Griekse schrijvers en dichters</a>'+'<a class="sub" href="rom_schrijvers.html" onMouseOut="ix2=7" onMouseOver="ix2=1">Romeinse schrijvers en dichters</a>'+
'<a class="sub" href="gymn_gs.html" onMouseOut="ix2=7" onMouseOver="ix2=1">jaartallen gymnasium Tiel</a>'+'</div></div>';
if (ix2<3) {window.setTimeout('vul_in2()',1300)} else {window.setTimeout('vul_in2()',100)};
} else { if (ix2==9) {
document.getElementById('invul2').innerHTML='<div id="rel2"><div id="schoon2"></div></div>';
window.setTimeout('vul_in2()',300)
} else {  document.getElementById('invul2').innerHTML=''; window.setTimeout('vul_in2()',300) }
}
}

function vul_in3() {
ix3++;
 if ((ix3<9) && (ix3>1)) {
document.getElementById('invul3').innerHTML='<div id="rel3"><div id="fixed3">'+
'<a class="sub" href="foto.html" onMouseOut="ix3=7" onMouseOver="ix3=1">foto\'s</a>'+'<a class="sub" href="cartoons.html" onMouseOut="ix3=7" onMouseOver="ix3=1">cartoons</a>'+'</div></div>';
if (ix3<3) {window.setTimeout('vul_in3()',1300)} else {window.setTimeout('vul_in3()',100)};
} else { if (ix3==9) {
document.getElementById('invul3').innerHTML='<div id="rel3"><div id="schoon3"></div></div>';
window.setTimeout('vul_in3()',300)
} else {  document.getElementById('invul3').innerHTML=''; window.setTimeout('vul_in3()',300) }
}
}
function vul_in4() {
ix4++;
 if ((ix4<9) && (ix4>1)) {
document.getElementById('invul4').innerHTML='<div id="rel4"><div id="fixed4">'+
'<a class="sub" href="links.html" onMouseOut="ix4=7" onMouseOver="ix4=1">andere sites</a>'+'<a class="sub" href="literatuur.html" onMouseOut="ix4=7" onMouseOver="ix4=1">literatuur ...</a>'+'</div></div>';
if (ix4<3) {window.setTimeout('vul_in4()',1300)} else {window.setTimeout('vul_in4()',100)};
} else { if (ix4==9) {
document.getElementById('invul4').innerHTML='<div id="rel4"><div id="schoon4"></div></div>';
window.setTimeout('vul_in4()',300)
} else {  document.getElementById('invul4').innerHTML=''; window.setTimeout('vul_in4()',300) }
}
}

function chromecontrole() {
useragent=navigator.userAgent;
for (ix=0; ix<useragent.length-6; ix++ )
{ if (useragent.substring(ix,ix+6) =="Chrome") {return true; exit } };
return false;
}

extra_chrome= chromecontrole()? 47 : 0;

