var open1 = 0;
var open2 = 0;
function preloadImages() {
    var d = document;
	if(d.images) {
		if(!d.p) {
			d.p = new Array();
		}
        var i,j = d.p.length, a = preloadImages.arguments;
		for(i = 0; i < a.length; i++) {
            if (a[i].indexOf("#") != 0) {
				d.p[j] = new Image;
				d.p[j++].src = a[i];
			}
		}
	}
}
function slide(nr) {
	if (nr == 1) {
		if (open1 == 1) {
			open1 = 0;
			new Effect.SlideUp('belegungsplan-1',{duration:2});
		}
		else {
			open1 = 1;
			new Effect.SlideDown('belegungsplan-1',{duration:2});
		}
	}
	else {
		if (open2 == 1) {
			open2 = 0;
			new Effect.SlideUp('belegungsplan-2',{duration:2});
		}
		else {
			open2 = 1;
			new Effect.SlideDown('belegungsplan-2',{duration:2});
		}
	}
}