function validate()
{
if(document.form1.name.value=="")
{
alert("Please enter your name");
focus("document.form1.name.value");
return false;
}


if(document.form1.email.value=="")
{
alert("Please enter your email");
document.form1.email.focus();
return false;
}
var emailFilter=/^.+@.+\..{2,3}$/;
if (!(emailFilter.test(document.form1.email.value))) {
alert("Please enter a valid email address.\n");
document.form1.email.focus();
return false;
}


if(document.form1.country.value=="")
{
alert("Please enter your Country");
focus("document.form1.country.value");
return false;
}

if(document.form1.comments.value=="")
{
alert("Please enter your Message");
focus("document.form1.comments.value");
return false;
}

return true;
}