var pulse = 7;
var mover = false;
var images = new Array();
for ( var i = 0 ; i <= 7 ; i++ ) {
	images[i] = new Image();
	images[i].src = "http://www.thermo-est.at/statimg/startlogo/logo"+i+".gif"; 
}
function setPulse (topulse) {
	var j = 0;
	if ( pulse < topulse ) {
		for ( ; pulse <= topulse ; pulse++ ) {
			document.getElementById("logo").src = images[pulse].src;
		}
		pulse--;
	} else if ( topulse < pulse ) {
		for ( ; pulse >= topulse ; pulse-- ) {
			document.getElementById("logo").src = images[pulse].src;
		}
		pulse++;
	}
}
function getRandom (start,end) {
	return start + parseInt(Math.random()*(end-start));
}
function startPulse() {
	if (mover) {
		setPulse(7);
	} else {
		if ((Math.random() >= 0.5) && (pulse <= 5) ) {
			if ( pulse < 7 ) {
				setPulse(pulse+1);
			}
		} else {
			if ( pulse > 0 ) {
				setPulse(pulse-1);
			}
		}
	}
}