<!-- hide javascript
function calculate(){

	var output = 0;
	var bmi = 0;
	var comment = 0;

	var h = Number(document.forms[0].h.value);
	var w = Number(document.forms[0].w.value);
	var h_unit = Number(document.forms[0].h_unit.selectedIndex);
	var w_unit = Number(document.forms[0].w_unit.selectedIndex);

	if ( h_unit == 0 ){ h = h * 0.0254;}
	if ( h_unit == 1 ){ h = h * 0.01;}

	if ( w_unit == 0 ){ w = w * 0.45359237;}
	if ( w_unit == 1 ){ w = w * 1;}

	bmi = w / (h * h );

	if ( bmi < 19 ){ comment = "Insufficient Data";}
	if ( ( bmi >= 19 ) && ( bmi < 25 ) ){ comment = "Minimal health risks.";}
	if ( ( bmi >= 25 ) && ( bmi < 27 ) ){ comment = "Low health risks.";}
	if ( ( bmi >= 27 ) && ( bmi < 30 ) ){ comment = "Moderate health risks.";}
	if ( ( bmi >= 30 ) && ( bmi < 35 ) ){ comment = "High health risks.";}
	if ( ( bmi >= 35 ) && ( bmi < 40 ) ){ comment = "Very High health risks.";}
	if ( bmi >= 40 ) { comment = "Extremely High";}

	document.forms[0].bmi.value = Math.round( 10 * bmi)/ 10;
	document.forms[0].comment.value = comment;

}



function graph(){
var popurl="bmigraph.html"
winpops=window.open(popurl,"","width=475,height=460,")
}



// -->