//ave. radius = 6371.315
//equatorial radius = 6378.388
var milesRatio = 1.609344; //km/this = miles...
var lbsRatio = 2.222222;
var hRatio = 2.54;
//var noMetric = true;
// var yesMetric = ck.yesMetric=="1"; // now in P.js

///////////////////////////////////////////
// take km
function cDist(dist)
{
	if(yesMetric)
	{
		//return dist+' km';
		return Math.round(dist)+' km'; // no .00
	}
	else
	{
		// km to miles
		//return Math.round(dist/milesRatio*100)/100+' miles';
		return Math.round(dist/milesRatio)+' miles'; // no .00
	}
}
///////////////////////////////////////////
function cHeight(h)
{
	if(yesMetric)
	{
		return h+' cm';
	}
	else
	{
		/// cm to feet
		//var inches = Math.round(h/hRatio*100)/100;
		var inches = Math.round(h/hRatio);
		//var inches = Math.round(Math.round(h/hRatio*100)/100);
		//alert('inches='+inches);
		var i = inches%12;
		//alert('i='+i);
		return Math.round((inches-i)/12)+"' "+i+'"';
	}
}
///////////////////////////////////////////
function cWeight(w)
{
	if(yesMetric)
	{
		return w+' kg';
	}
	else
	{
		/// kg to lbs
		//return Math.round(w*lbsRatio*100)/100+' lbs';
		return Math.round(w*lbsRatio)+' lbs'; // no .00
	}
}
///////////////////////////////////////////