function onsub(){
	if(document.getElementById("FNo").value.length<=0){
		alert("Please enter the correct information");
		return false;
	}
	var f=document.getElementById("topForm");
	f.innerHTML=f.innerHTML+"<input type=\"hidden\" name=\"BBrand\" value=\"null\"/><input name=\"TType\" value=\"null\" type=\"hidden\"><input name=\"PParts\" value=\"null\" type=\"hidden\">";

	return true;
}