function toosmall(form) {
	if (form.volume.value<5000) window.alert("                WE ARE SORRY!\n\n    Your pool is too small for the Pool Wizard\n\nWork on a product for smaller pools is in progress.\n\n           Thank you for your interest.");
}


function calcunit(form)  {
	var v = form.volume.value;
	var r;
	
	var charge = (v/10000);
	if (charge <= 0 || v < 5000) r = "";
	else r = Math.round(charge);

	if (r > 0) form.cost.value = " $ "+(r*58.99);
	else form.cost.value = "";
	form.recharge.value = r;
	
	document.cookie="rechargers="+r;

}