function validation()
{
if(document.contact.nam.value=="")
{
alert("Please enter your name");
document.contact.nam.focus();
return false;
}
if(document.contact.phone.value=="")
{
alert("Please enter phone no");
document.contact.phone.focus();
return false;
}
if (isNaN(document.contact.phone.value))
{
alert("Invalid phone no");
document.contact.phone.select();
return false;
}
var reEmail=/^.+\@.+\..+$/
if(document.contact.email.value=="")
{
alert("Please enter email ID");
document.contact.email.focus();
return false;
}
if(!reEmail.test(document.contact.email.value))
{
alert("Please enter a valid email id");
document.contact.email.focus();
return false;
}
if(document.contact.message.value=="")
{
alert("Please enter a Message");
document.contact.message.focus();
return false;
}
}