function calculateBMI() {
  var weight = eval(document.form.weight.value)
  var height = eval(document.form.height.value)
  var height2 = height / 100
  var BMI = weight  / (height2 * height2)
  document.form.BodyMassIndex.value=custRound(BMI,1);
}

function custRound(x,places) {
  return (Math.round(x*Math.pow(10,places)))/Math.pow(10,places)
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function openBrowser(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function pleaseLogin(email){
	window.location = "index.jsp";
	alert("You have already signed up with Train with Jane! Please log in at the top of the page.");
}

function openRecipe(URL,name,features) { //v2.0
  window.open(URL,name,features);
}

function calendarItem(URL,name,features) { //v2.0
  window.open(URL,name,features);
}

function clearText(text){
         text.value = "";
}

function checkFields(){
	
	if(document.getElementById("fname").value=="" ||document.getElementById("msg").value==""  ){
		confirm("Your First Name and the message is a required field!");
	} else{
		document.contactForm.action = "handleContact.jsp";
		document.contactForm.submit();
	}
}