function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false;}
else {return true}
}
}

function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2) 
  {alert(alerttxt);return false;}
else {return true;}
}
}

function validate_form(thisform)
{
with (thisform)
{

if (validate_required(fname,"Please enter your first name.")==false)
  {fname.focus();return false;}

if (validate_required(lname,"Please enter your last name.")==false)
  {lname.focus();return false;}

if (getCheckedValue(gender)=="")
  {alert("Please select your gender.");
  return false;}

if (validate_required(add_1,"Please enter your address.")==false)
  {add_1.focus();return false;}

if (validate_required(city,"Please enter your city.")==false)
  {city.focus();return false;}

 
if (country.value=="")
  {	alert("Please select your country.");
  	country.focus();
	return false;}

if (validate_required(pincode,"Please enter your pincode.")==false)
  {pincode.focus();return false;}

if (validate_email(email,"Please enter valid email.")==false)
  {email.focus();return false;}
}
}

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