function bargrow(bar, breedte, step, time, waarde){
			
		window.document.getElementById(bar).width += step ;
	
		if(window.document.getElementById(bar).width<breedte){
		
			strFunction = "bargrow('" + bar + "', " + breedte + ", " + step  +  ", " + time +  ", " + waarde + ")";
			setTimeout(strFunction, time);
		}
		else{	//waarde erachter na afloop
			id = 'waarde' + bar
			window.document.getElementById(id).innerHTML=  waarde;
			
		}
	
}