Name :
Address :
Phone :

The validate() function looks as follows.

function validate() {

	if (document.form1.yourname.value.length < 1) {
		alert ("Enter full name");
		return false;
	}
	
	if (document.form1.address.value.length < 3) {
		alert ("Enter address");
		return false;
	}

	if (document.form1.phone.value.length < 3) {
		alert ("Enter phone number");
		return false;
	}

	return true;

}