function simpleFlowRate()
{
	k = parseFloat(document.forms['SFR'].k.value);
	p = parseFloat(document.forms['SFR'].p.value);
	res = (k * Math.pow(p,.5));
	document.forms['SFR'].result.value=res;
} 
function pressureTankSizingBelow()
{
	a = parseFloat(document.forms['PTSbelow'].a.value);
	h = parseFloat(document.forms['PTSbelow'].h.value);
	res = ((30/a) - 15) + (0.43 * h/a);
	document.forms['PTSbelow'].result.value=res;
}
function pressureTankSizingHydro()
{
	a = parseFloat(document.forms['PTShydro'].a.value);
	pf = parseFloat(document.forms['PTShydro'].pf.value);
	res = ((30/a) - 15) + (0.43 * h/a);
	document.forms['PTSbelow'].result.value=res;
}
function hazenPressureLoss()
{
	q = parseFloat(document.forms['hazen'].q.value);
	c = parseFloat(document.forms['hazen'].c.value);
	d = parseFloat(document.forms['hazen'].d.value);
	res = (4.52 * Math.pow(q, 1.85)) / (Math.pow(c, 1.85) * Math.pow(d, 4.87))
	document.forms['hazen'].result.value=res;
}
function hazenPressureLossSI()
{
	q = parseFloat(document.forms['hazenSI'].q.value);
	c = parseFloat(document.forms['hazenSI'].c.value);
	d = parseFloat(document.forms['hazenSI'].d.value);
	res = (Math.pow(10, 5) * 6.05 * Math.pow(q, 1.85))/(Math.pow(c, 1.85) * Math.pow(d, 4.87))
	document.forms['hazenSI'].result.value=res;
}
function generalVolumetricFlowRate()
{
	d = parseFloat(document.forms['gvfr'].d.value);
	cd = parseFloat(document.forms['gvfr'].cd.value);
	p = parseFloat(document.forms['gvfr'].p.value);
	alert(d);
	res = 29.8 * Math.pow(d, 2) * cd * Math.pow(p,0.5)
	document.forms['gvfr'].result.value=res;
}
function pressureVelocity() 
{
	q = parseFloat(document.forms['pv'].q.value);
	d = parseFloat(document.forms['pv'].d.value);
	res = 0.001123 * Math.pow(q, 2) / Math.pow(d,4)
	document.forms['pv'].result.value=res;
}
function pressureTankSizingAbove() 
{
	a = parseFloat(document.forms['pts'].a.value);
	res = (30/a) - 15;
	document.forms['pts'].result.value=res;
}
function darcyWeisbach() 
{
	re = parseFloat(document.forms['darcy'].re.value);
	f = parseFloat(document.forms['darcy'].f.value);
	v = parseFloat(document.forms['darcy'].v.value);
	g = parseFloat(document.forms['darcy'].g.value);
	d = parseFloat(document.forms['darcy'].d.value);
	res = (f * Math.pow(v, 2)) / (2 * g * d);
	document.forms['darcy'].result.value=res;
}