function PhysikCalc(){
var Result;
vala = eval(document.timecal.vala.value);
valb = eval(document.timecal.valb.value);

if((vala > 0) && (valb > 0)){

	Result = FormatNumber(valb / ((vala * 1000) / 3600));
	
	document.getElementById("result").innerHTML = "Résultat<br>" + Result + " secondes<br />" + FormatNumber(Result / 60) + " minutes<br />" + FormatNumber(Result / 3600) + " heures";
}

}