function screenHeight(){

			var l = document.getElementById("mainArea_L");
			var hl = l.offsetHeight;

			var r = document.getElementById("mainArea_R");
			var hr = r.offsetHeight;



			function asc(a,b){return(b-a);}

			SortNumbers = new Array(hl,hr)
			SortNumbers.sort(asc)

			highestNum = SortNumbers[0];
			//alert(highestNum)
			if(highestNum < 490){highestNum = 490}else{highestNum=highestNum+100}

			document.getElementById("links").style.height = highestNum+"px";
			document.getElementById("rechts").style.height = highestNum+"px";

}

function screenHeightMuziek(){

			var l = document.getElementById("mainArea_L");
			var hl = l.offsetHeight;

			var r = document.getElementById("mainArea_R");
			var hr = r.offsetHeight;



			function asc(a,b){return(b-a);}

			SortNumbers = new Array(hl,hr)
			SortNumbers.sort(asc)

			highestNum = SortNumbers[0];
			//alert(highestNum)
			if(highestNum < 300){highestNum = 500}else{highestNum=highestNum+100}

			document.getElementById("links").style.height = highestNum+"px";
			document.getElementById("rechts").style.height = highestNum+"px";

}



function changeImage(i){

	var img = document.getElementById(i).src
	/*
	if (img == 'http://localhost/schiffer/images/arrow.gif'){
		document.getElementById(i).src = 'http://localhost/schiffer/images/arrow_red.gif'
	}else{
		document.getElementById(i).src = 'http://localhost/schiffer/images/arrow.gif'
	}
	*/

	if (img == 'http://www.schiffer.nl/images/arrow.gif'){
		document.getElementById(i).src = 'http://www.schiffer.nl/images/arrow_red.gif'
	}else{
		document.getElementById(i).src = 'http://www.schiffer.nl/images/arrow.gif'
	}


}

function changeImageColor(i,kleur){
	//alert( i + " "  + kleur)

	if (kleur == 'wit'){

		var img = document.getElementById(i).src
		/*
		if (img == 'http://localhost/schiffer/images/klik.jpg'){
			document.getElementById(i).src = 'http://localhost/schiffer/images/klik-rood.jpg'
		}else{
			document.getElementById(i).src = 'http://localhost/schiffer/images/klik.jpg'
		}
		*/
		if (img == 'http://www.schiffer.nl/images/klik.jpg'){
			document.getElementById(i).src = 'http://www.schiffer.nl/images/klik-rood.jpg'
		}else{
			document.getElementById(i).src = 'http://www.schiffer.nl/images/klik.jpg'
		}

	}else{

		var img = document.getElementById(i).src
		//alert(img)

		if (img == 'http://www.schiffer.nl/images/klik-bl.jpg'){

			document.getElementById(i).src = 'http://www.schiffer.nl/images/klik-bl-rood.jpg'

		}else{

			document.getElementById(i).src = 'http://www.schiffer.nl/images/klik-bl.jpg'

		}
		/*
		if (img == 'http://localhost/schiffer/images/klik-bl.jpg'){

			document.getElementById(i).src = 'http://localhost/schiffer/images/klik-bl-rood.jpg'

		}else{

			document.getElementById(i).src = 'http://localhost/schiffer/images/klik-bl.jpg'

		}
		*/

	}

}




function loadCD(sel){

	document.changecd.cd.value=sel
	document.changecd.action='muziek.php'
	document.changecd.submit()
}

function change(picurl,ind) {
	var i = ind
	if ( i == '1' ){ document.pic1.src = picurl; }
	if ( i == '2' ){ document.pic2.src = picurl; }
	if ( i == '3' ){ document.pic3.src = picurl; }
	if ( i == '4' ){ document.pic4.src = picurl; }
	if ( i == '5' ){ document.pic5.src = picurl; }
	if ( i == '6' ){ document.pic6.src = picurl; }
	if ( i == '7' ){ document.pic7.src = picurl; }
}

function klikchange(picurl,ind) {

	var i = ind
	if ( i == '0' ){ document.klik1.src = picurl; }
	if ( i == '1' ){ document.klik2.src = picurl; }
	if ( i == '2' ){ document.klik3.src = picurl; }
	if ( i == '3' ){ document.klik4.src = picurl; }
	if ( i == '4' ){ document.klik5.src = picurl; }
	if ( i == '5' ){ document.klik6.src = picurl; }
	if ( i == '6' ){ document.klik7.src = picurl; }
	if ( i == '7' ){ document.klik8.src = picurl; }
}
function changePic(p){

	if (p == 1){
		a = document.image.count.value
		a = 1*a+1;
		if (a > 3){ a = 3}
		if (a == 1){document.image.map.src = "images/map1.jpg"}
		if (a == 2){document.image.map.src = "images/map2.jpg"}
    if (a == 3){document.image.map.src = "images/map3.jpg"}
		document.image.count.value = a
	}
	if (p == 2){
		a = document.image.count.value
		a = 1*a-1;
		if (a < 1){ a = 1}
		if (a == 1){document.image.map.src = "images/map1.jpg"}
		if (a == 2){document.image.map.src = "images/map2.jpg"}
		if (a == 3){document.image.map.src = "images/map3.jpg"}
		document.image.count.value = a
	}
}