function validate2(frm)
{

	if(frm.name.value==""){
		alert("Please enter your name");
		frm.name.focus();
		return false;
	}
	
	if(frm.email.value==""){
		alert("Please enter your e-mail id");
		frm.email.focus();
		return false;
	}
	else{
		if(!isEmail(frm.email.value)){
			alert("Please enter a valid e-mail id")
			frm.email.focus();
			return false;
		}	
	}

	if(frm.subject.value==""){
		alert("Please enter your subject");
		frm.subject.focus();
		return false;
	}

	if(frm.zone.value==""){
		alert("Please select your zone");
		frm.zone.focus();
		return false;
	}

	if(frm.message.value==""){
		alert("Please enter your message");
		frm.message.focus();
		return false;
	}

}

function isEmail (s)
	{   
		var i = 1;
		var sLength = s.length;

		while ((i < sLength) && (s.charAt(i) != "@"))
		{ i++
		}
		if ((i >= sLength) || (s.charAt(i) != "@")) return false;
		else i += 2;
		while ((i < sLength) && (s.charAt(i) != "."))
		{ i++
		}
		if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
		else return true;
	}