function submitform()
{
var weight=document.getElementById("weight").value;
var speed=document.getElementById("speed").value;
var speedsquared = speed*speed;
var KE;

KE=weight*speedsquared/450800;
document.getElementById("KEdiv").innerHTML=Math.round(KE)+" ft lbs";
}

function clearform()
{
document.getElementById("speed").value = "";
document.getElementById("weight").value = "";
document.getElementById("KEdiv").innerHTML = "";
}