window.onload = function() {
	remainingSpace('remaining',74,345);
	changePicture();
}

function remainingSpace(trID,headerHeight,menuHeight) {
	var myHeight = 0;
	var remSpace = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myHeight = window.innerHeight;
	}
	else if( document.documentElement &&
			( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		myHeight = document.documentElement.clientHeight;
	}
	else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myHeight = document.body.clientHeight;
	}

	remSpace = myHeight-(headerHeight+menuHeight);

	var string = new Array();
	string.push(remSpace);		
	var writestring = string.join('');
	document.getElementById(trID).height=writestring;	
}


function initArray() {
	this.length = initArray.arguments.length;
	for (var i = 0; i < this.length; i++)
	this[i+1] = initArray.arguments[i];
}

function today() {
	var dagArray = new initArray("Zondag","Maandag", "Dinsdag","Woensdag","Donderdag","Vrijdag","Zaterdag");
	var maandArray = new initArray("januari","februari","maart","april","mei","juni","juli", "augustus","september","oktober","november","december");

	var nu = new Date();
	var dagtekst = dagArray[(nu.getDay()+1)];
	var dag = nu.getDate();
	var maandtekst = maandArray[(nu.getMonth()+1)];
	var jaar = nu.getYear();
	var jaar4 = ((jaar < 1900) ? (jaar + 1900) : (jaar));

	return datumweergave = ""+ dagtekst + " " + dag + " " + maandtekst + " " + jaar4;
}

function swapPicture(srcString) {
        document.images.myimg.style.filter="revealTrans(duration=1, transition=12)";
        document.images.myimg.filters.revealTrans(duration=1, transition=12).Apply();
        document.images.myimg.filters.revealTrans.Play();
        document.images.myimg.src = srcString;
}

function changePicture() {
        adImages = new Array("images/dirigent2.jpg","images/gitaar.jpg","images/zangeres.jpg","images/sax.jpg","images/piano.jpg","images/bugel2.jpg","images/conga.jpg","images/picolo.jpg","images/trompet2.jpg","images/alpen.jpg","images/dirigent.jpg","images/hoorn.jpg","images/gitaar2.jpg","images/bas.jpg","images/viool.jpg","images/trompet.jpg");
        thisAd = 0;
        imgCt = adImages.length;
        rotate();
}

function rotate() {
	if (document.images) {
        	thisAd++;
		if (thisAd == imgCt) {
		   	thisAd = 0;
        	}
		swapPicture(adImages[thisAd]);
		setTimeout("rotate()", 8 * 1000);
	}
}