function makeSublist(parent,child,isSubselectOptional)
	{
		$("body").append("<select style='display:none' id='"+parent+child+"'></select>");
		$('#'+parent+child).html($("#"+child+" option"));
		$('#'+child).html("<option> --- </option>");		
		$('#'+parent).change(
			function()
			{
				var parentValue = $('#'+parent).attr('value');
				$('#'+child).html($("#"+parent+child+" ."+parentValue).clone());
				if(isSubselectOptional) $('#'+child).prepend("<option> -- Select -- </option>");
			}
		);
	}


$(document).ready( function() {
//create option

	makeSublist('Negeri1','Bandar1',false);	
	makeSublist('Negeri2','Bandar2',false);	
	makeSublist('Negeri3','Bandar3',false);	
});