function moveClock(idClock,startTime){//move given clock
	var timeout=1000;//miliseconds to repeat the function

	if ( startTime === undefined ) {//just take the browser time
	    	rightNow = new Date();
		hour = rightNow.getHours();
		minute = rightNow.getMinutes();
		second = rightNow.getSeconds();		
	}	
	else{//starttime set
		rightNow = startTime.split(':',3);
		hour = parseInt(rightNow[0],10);
		minute =  parseInt(rightNow[1],10);
		second =  parseInt(rightNow[2],10);
		if (second==59){
			if (minute==59){
				if (hour==23) hour=0;	
				else hour++;
				minute=0;
			}else minute++;
			second=0;
		}else second++;
	}

	if (minute<10) minute= "0" + minute;
	if (second<10) second= "0" + second;

	currentTime=hour + ":" + minute + ":" +second;// tim to return
	document.getElementById(idClock).innerHTML = currentTime + " uur";//tim for the HTML element

	//recursivity
	if (startTime===undefined) setTimeout("moveClock('"+idClock+"')",timeout);//browser time
	else setTimeout("moveClock('"+idClock+"','"+currentTime+"')",timeout);//set time
		
}