function set()
{
    if (document.dataform.fname.value == "")
	{
	 alert ("Please Enter Your Name.");
	 document.dataform.fname.focus();
        return (false);
}
if (document.dataform.email.value.indexOf("@") < 0) {
    alert("Please Enter Valid Email.");
	document.dataform.email.focus();
	return (false);
}
emailarr = document.dataform.email.value.split("@");
if (emailarr[0].length == 0) {
    alert("Please Enter Valid Email.");
	document.dataform.email.focus();
	return false;
}
if (emailarr[1].length !=0)
if (emailarr[1].indexOf(".") == -1) {
	    alert("Please Enter Valid Email.");
		document.dataform.email.focus();
		return false;
}
if (emailarr[1].length == 0) {
    alert("Please Enter Valid Email.");
	document.dataform.email.focus();
	return false;
}
    emailarrnext=emailarr[1].split(".");
	if (emailarrnext[0].length == 0) {
        alert("Please Enter Valid Email.");
		document.dataform.email.focus();
		return false;
	}
					
    if (emailarrnext[1].length == 0) {
        alert("Please Enter Valid Email.");
		document.dataform.email.focus();
		return false;
	}

}