function  doMath() {
var fLife = eval(document.myform.total.value)
var fsex = eval(document.myform.sex.value)
var fsmoke = eval (document.myform.smoke.value)
var fpassive = eval (document.myform.passive.value)
var fexercise = eval (document.myform.exercise.value)
var ffat = eval (document.myform.fat.value)
var ffruit = eval (document.myform.fruit.value)
var fmarital =eval (document.myform.marital.value)
var fevents = eval (document.myform.events.value)
var fsocial = eval (document.myform.social.value)
var fparents = eval (document.myform.parents.value)
var frating = eval (document.myform.rating.value)
var prod = fsex +   fsmoke  +  fpassive  + fexercise  +  ffat  + ffruit  + fmarital + fevents + fsocial + fparents + frating
var left = prod - fLife
document.myform.amount.value=custRound(prod,2);
document.myform.years.value=left;
}
function custRound(x,places) {
return (Math.round(x*Math.pow(10,places)))/Math.pow(10,places)
}
//  End -->

function validate_contact(form){
	if (form.fname.value==''){
 	 alert('Please enter first name!');
	 return false;
 	}
	if (form.phone.value==''){
 	 alert('Please enter a telephone number!');
	 return false;
 	}
	if (form.email.value==''){
 	 alert('Please enter a valid email address!');
	 return false;
 	}
}

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_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_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];}
}