var airCraftMod = "poiu";
var  registNum =  "qwer";
function validateInscriptionFld(which, amodel, regnum ) {
	var frm = which;
	
	if (frm.elements[amodel]){
		var inputTxts = frm.getElementsByTagName('input');
		var nameFld = frm.elements[amodel].value;
		var trmnameFld = nameFld.replace(/^\s*/,"").replace(/\s*$/,"");
		if( trmnameFld == "") { alert("Please enter the Aircraft Model"); return false; }
		
	 }
	 if (frm.elements[regnum]){
		var inputTxts = frm.getElementsByTagName('input');
		var nameFld = frm.elements[regnum].value;
		var trmnameFld = nameFld.replace(/^\s*/,"").replace(/\s*$/,"");
		if( trmnameFld == "") { alert("Please enter the Registration Number"); return false; }
		
	 }
	
	frm.submit(); return false;
}

function check_min_list(which, minimum_quantity){
	var frm = which;
	if (frm.vwquantity){
		var input = frm.vwquantity;
		var inputQuantity = frm.vwquantity.value; 
	} else if (frm.vwquantity0){
		var input = frm.vwquantity0;
		var inputQuantity = frm.vwquantity0.value; 
		}
	if (inputQuantity < minimum_quantity){
		alert ("This product requires a minimum order of "+minimum_quantity+". Please adjust the quantity.");
		input.focus();
		return false;
	} 
	return true;
}