function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) 
	{
	  do 
	  {
		curleft += obj.offsetLeft;
		curtop += obj.offsetTop;
	  } while (obj = obj.offsetParent);
	
	return [curleft,curtop];
    }
  }	
	  
			
	


function submitForm(formName, newAction)
{
document.forms[formName].action = newAction;
}

function openWindow(objectName, objectImage)
{
window.open('show_large.php?name='+ objectName + '&img=' + objectImage
		  , 'newwindow'
		  , 'width=450,height=650,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,copyhistory=no,resizable=no');
}

function openCopyWindow(fileName)
{
window.open( fileName
		  , 'newwindow2'
		  , 'width=500,height=600,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,copyhistory=no,resizable=no');
}

function openBigWindow(objectName, objectImage)
{
window.open('show_large.php?name='+ objectName + '&img=' + objectImage
		  , 'newbigwindow'
		  , 'width=900,height=740,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,copyhistory=no,resizable=no');
}

function changeText(elemID, text)
{
  document.getElementById(elemID).innerHTML = text;
  return true;
}

function placeImages()
{
  window.document.krul_b.style.left=(thisPosition[0] - 119) + "px";
  window.document.krul_b.style.top=(thisPosition[1] - 477) + "px";
}

function resizeBackgroundObjects()
{
  var resizeLogoResult;
  
  if (document.getElementById('krul_b'))
  {
    var resizeLogoResult = findPos(document.getElementById('mainLogo'));
    document.getElementById('krul_c').style.left=(resizeLogoResult[0]+386+55) + 'px';
    document.getElementById('krul_d').style.left=(resizeLogoResult[0]+386+290) + 'px';
    var resizeKrulBResult = findPos(document.getElementById('krul_b'));
    document.getElementById('krul_a').style.left=(resizeKrulBResult[0] - 119) + 'px';
    document.getElementById('krul_a').style.top=(resizeKrulBResult[1] - 477) + 'px';
    //alert(resizeLogoResult);
  }
}

//Contents for menu 1 (schilderijtjes)
var menu1=new Array()
menu1[0]='<a href="schilderijtjes.php" class="menu"><img src="./images/link_klein_unsel_nl.gif" border="0" onmouseover="this.src=\'./images/link_klein_sel_nl.gif\';" onmouseout="this.src=\'./images/link_klein_unsel_nl.gif\';"></a>';
menu1[1]='<a href="schilderijtjes_gr.php" class="menu"><img src="./images/link_groot_unsel_nl.gif" border="0" onmouseover="this.src=\'./images/link_groot_sel_nl.gif\';" onmouseout="this.src=\'./images/link_groot_unsel_nl.gif\';"></a>';


//Contents for menu 2 (opdrachten)
var menu2=new Array()
menu2[0]='<a href="opdrachten.php" class="menu"><img src="./images/link_klein_unsel_nl.gif" border="0" onmouseover="this.src=\'./images/link_klein_sel_nl.gif\';" onmouseout="this.src=\'./images/link_klein_unsel_nl.gif\';"></a>';
menu2[1]='<a href="opdrachten_gr.php" class="menu"><img src="./images/link_groot_unsel_nl.gif" border="0" onmouseover="this.src=\'./images/link_groot_sel_nl.gif\';" onmouseout="this.src=\'./images/link_groot_unsel_nl.gif\';"></a>';


//Contents for menu 3 (diversen)
var menu3=new Array()
menu3[0]='<a href="projecten.php" class="menu"><img src="./images/link_design_unsel_nl.gif" border="0" onmouseover="this.src=\'./images/link_design_sel_nl.gif\';" onmouseout="this.src=\'./images/link_design_unsel_nl.gif\';"></a>';
menu3[1]='<a href="links.php" class="menu"><img src="./images/link_links_unsel_nl.gif" border="0" onmouseover="this.src=\'./images/link_links_sel_nl.gif\';" onmouseout="this.src=\'./images/link_links_unsel_nl.gif\';"></a>';

	
var disappeardelay=250;  //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset=-80; //horizontal offset of menu from default location. (0-5 is a good value)
var verticaloffset=45;

if (navigator.userAgent.indexOf("MSIE")== -1)
  var verticaloffset=20;

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width: 160px" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(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;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top=-500
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

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

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move menu up?
edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
edgeoffset=dropmenuobj.y
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth, horOffSet){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horOffSet+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+verticaloffset+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

// code directly executed
window.onresize = resizeBackgroundObjects;