function validate(frm){
		if(frm.VisitorName.value.length == 0){
			alert("Name is required");
			frm.VisitorName.focus();
			return false;
		}else if(frm.Email.value.length == 0){
			alert("Email is required");
			frm.Email.focus();
			return false;
		}else if(frm.Message.value.length == 0){
			alert("Message is required");
			frm.Message.focus();
			return false;
		}
		if(frm.Email.value.length > 0){
			var check = /^.+\@.+\..+$/;
			OK = check.exec(frm.Email.value);   
			if(!OK){
				alert ("Valid Email Address is Required");
				frm.Email.focus();
				return false;
			}
		}
	}