function proceed()
{
var st=document.form.name.value;


if(document.form.name.value==" ")
{
alert("Please fill the Name")
document.form.name.focus();
document.form.name.value=" ";
return false;
}
if(!isNaN(st))
{
alert("Please fill the Name")
document.form.name.focus();
document.form.name.value=" ";
return false;
}
var str=document.form.email.value;
if(document.form.email.value==" " || str.indexOf('@')<0 || str.indexOf('.')<0)
{
alert("Please fill the correct email address")
document.form.email.focus();
document.form.email.value=" ";
return false;
}
if(document.form.comments.value==" ")
{
alert("Please write your comments")
document.form.comments.focus();
return false;
}
}