var current = 0;
var topimage= new Array();


/* opacity voor alle browsers settem*/
function setOpacity(level) {
	element.style.opacity = level;
    element.style.MozOpacity = level;
    element.style.KhtmlOpacity = level;
    element.style.filter = "alpha(opacity=" + (level * 100) + ");";
}

/* timer om in te faden */
function fadeIn(){
	if (comments != null){
		element.innerHTML = '<img src="img/pictures/'+ comments[current] + '" />'
	    current = (current + 1) % comments.length;
	    for (i = 0; i <= 1; i = i + 0.05) {
	    	setTimeout("setOpacity(" + i + ")", i * 1000);
	    }
	    setTimeout("fadeOut()", 4000);
	}
}

/* timer om uit te faden */
function fadeOut() {
	for (i = 0; i <= 1; i = i + 0.05) {
    	setTimeout("setOpacity(" + (1 - i) + ")", i * 1000);
    }
    	setTimeout("fadeIn()", 1000);
}