<!--hide this script from non-javascript-enabled browsers
function printWindow()
{
   var bV = parseInt(navigator.appVersion);
   if (bV >= 4) window.print();
}
// The argument is the form
function calculate(f) 
{
	var inches_to_metres= 0.0254;
	var number_decimal_places=1;
	// updated to 2.2 26/4/10
	var conversion_factor=2.2;
	var res=0;
	var result=0
	
   	if(!f.value0)
    {
        return;
    }

	res=Number(f.value0.value) * Number(f.value1.value)*Number(f.value2.value) * inches_to_metres * conversion_factor;
	result = Math.round(res*Math.pow(10, number_decimal_places))/Math.pow(10, number_decimal_places);

	f.value3.value=result;
	return false;
}
// -->