function lend() {
 
  var income=document.let_calc.income.value;
  var rate=document.let_calc.rate.value;
  var price=document.let_calc.price.value;
  
  if (isNaN(price)) {
      price="0";
  }
  
  var lend=((income/(rate/100))*12)/1.3;
  var eighty=price*0.7;
  
  
  if (lend>(price*0.7)) {
       document.let_calc.result.value='£'+eighty
	   document.let_calc.result2.value="This is based on 70% of the property value."
  }
  else {
   
    if (isNaN(lend)) {
       document.let_calc.result.value=' '
	   document.let_calc.result2.value=" "
    }
	else {
	   document.let_calc.result.value='£'+Math.round(lend)
	   document.let_calc.result2.value="This is based on 130% of the interest only mortgage repayments." 
    }
  }
}

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
      }
    }
  } if (errors) alert('Please correct the following: \n\n'+errors);
  document.MM_returnValue = (errors == '');
}