function validate() {
if (document.frm.txtName.value.length < 1) {
alert("Please enter a  Name.");
return false;
}
if (document.frm.txtemail.value.length < 1) {
alert("Please enter an Email Address.");
return false;
}
if (document.frm.txtphone.value.length < 1) {
alert("Please enter Phone Number.");
return false;
}
return true;
}