function setAgeFields(val){
	if(!isNaN(val) && val.length>0){
		if(val>10)val=10;
		for(i=1;i<=val;i++){
			document.getElementById('kindalterRow'+i).style.display = "block";
		}
	}else
		resetAgeRows();
}
function resetAgeRows(){
		for(i=1;i<=10;i++){
			document.getElementById('kindalterRow'+i).style.display = "none";
		}	
}