function checkall()
{	
if( document.zubin.realname.value=="")
{alert("Please fill in your name")
document.zubin.realname.focus();
return false
}

if (document.zubin.email.value=="")
{
alert("Enter your E-mail.")
document.zubin.email.focus();
return false
}
t=document.zubin.email.value;
p=t.indexOf("@");
d=t.indexOf(".");
if(p<1||d<1)
{
	alert ("invalid E-mail I.D");
	document.zubin.email.focus();
	return false
}
}