function validate() {
 var a = document.form1.totalacres.value;
 var b = document.form1.peranimal.value;
 var c = document.form1.p1acres.value;
 var d = document.form1.p2acres.value;
 var e = document.form1.p3acres.value;
 var f = document.form1.p4acres.value;
 var g = document.form1.p5acres.value;
 var h = document.form1.p6acres.value;
 var i = document.form1.p7acres.value;

 var avg = a/7*1;
 document.form1.avg.value = avg;

 var totanimals = a/b*1;
 document.form1.totalanimals.value = totanimals;

 var peranimal_r = ((a*1)-(avg*1))/(totanimals*1)
 var par1 = peranimal_r.toFixed(1);
 document.form1.peranimalrotate.value = par1; 

 var p1 = c/b;
 document.form1.p1animals.value = p1;
 document.form1.p17.value = 'REST'; 

 var p2 = d/b;
 document.form1.p2animals.value = p2;
 var p27 = d/par1;
 document.form1.p27.value = Math.round(p27);

 var p3 = e/b;
 document.form1.p3animals.value = p3;
 var p37 = e/par1;
 document.form1.p37.value = Math.round(p37);

 var p4 = f/b;
 document.form1.p4animals.value = p4;
 var p47 = f/par1;
 document.form1.p47.value = Math.round(p47);

 var p5 = g/b;
 document.form1.p5animals.value = p5;
 var p57 = g/par1;
 document.form1.p57.value = Math.round(p57);

 var p6 = h/b;
 document.form1.p6animals.value = p6;
 var p67 = h/par1;
 document.form1.p67.value = Math.round(p67);

 var p7 = i/b;
 document.form1.p7animals.value = p7;
 var p77 = i/par1;
 document.form1.p77.value = Math.round(p77);

 var con = (c*1)+(d*1)+(e*1)+(f*1)+(g*1)+(h*1)+(i*1);
 if((con*1) > (a*1)) {
 alert('Your pasture acreage ('+ con +') totals more than the acreage you entered at the top of the form ('+ a +')');
}

}