function calcwpm(startm, starts, startf, endm, ends, endf, words){
							
	var wpmendf;
	wpmendf = parseFloat(endm.value * 1800) + parseFloat(ends.value * 30) + parseFloat(endf.value);
							
	var wpmstartf;
	wpmstartf =  parseFloat(startm.value * 1800) + parseFloat(starts.value * 30) + parseFloat(startf.value);
	
	var wpmcalc;
	wpmcalc=words.value / ((wpmendf-wpmstartf) / 1800);
	
	document.getElementById('WPM').value=wpmcalc + ' WPM';
	
	}