// JavaScript Document
function makeSublist(parent,child,isSubselectOptional,childVal)
{
	$("body").append("<select style='display:none' id='"+parent+child+"'></select>");
	$('#'+parent+child).html($("#"+child+" option"));
	
		var parentValue = $('#'+parent).attr('value');
		$('#'+child).html($("#"+parent+child+" .sub_"+parentValue).clone());

	childVal = (typeof childVal == "undefined")? "" : childVal ;
	$("#"+child+' option[@value="'+ childVal +'"]').attr('selected','selected');

	$('#'+parent).change( 
		function()
		{
			var parentValue = $('#'+parent).attr('value');
			$('#'+child).html($("#"+parent+child+" .sub_"+parentValue).clone());
			//if(isSubselectOptional) $('#'+child).prepend("<option value='none'> -- Select -- </option>");
			$('#'+child).trigger("change");
            $('#'+child).focus();
		}
	);
}

	$(document).ready(function()
	{
		
		
		makeSublist('child','grandsun', true, '');
		makeSublist('parent','child', false, '1');
		
		
	});