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 p = form.pump.value;
	var u , r , ag;
	
	if (p > 0 & v < 10000 ) u = "";
	else if (v > 9999 & p < 1) u = "1";
	else if ((p*15000) > v) u = Math.round(v/15000);
	else u = p;
	
	if ( v < 5000 ) ag = "";
	else if ( v < 10000 ) ag = "1" ;
	else ag = "";
	
	var charge = ((v-((u*15000)+(ag*10000)))/10000);
	if (charge <= 0.5 || v < 10000) r = "";
	else r = Math.round(charge);

	form.cost.value = " $ "+((u*84.99)+(r*58.99)+(ag*68.99));
	form.units.value = u;
	form.recharge.value = r;
	form.above.value = ag;
	
	document.unit.quantity.value = u;
	document.recharge.quantity.value = r;
	document.abovegr.quantity.value = ag;
	
	document.cookie="units="+u;
	document.cookie="rechargers="+r;
	document.cookie="aboveground="+ag;
 
}