function validate(){
var digits="0123456789"
var temp
var emailID=document.form1.emailaddress
var emailID2=document.form1.contactemail
var invalid = " "; // Invalid character is a space
var minLength = 6; // Minimum length



if (document.form1.lastname.value=="") {
alert("Enter Lastname!")
return false
}

if (document.form1.firstname.value=="") {
alert("Enter Firstname!")
return false
}

if (document.form1.contactno.value=="") {
alert("Enter Contact No.!")
return false
}





}