Probelm with loader

hi 2 all

i have 2 list components in my application when i click first list cmponent depeding on the value other list items will be changed .

where my first list intially will be there in application second one will be loaded through mx loader… component

it was working fine .

my probelm is i dont want first list box to be there intially . i want both the list boxes should be loaded through loader component.

working should be same.

form1 = new Object();
form1.change = function (evt){
xload.contentPath = “booklist/1_” + evt.target.selectedItem.data + “.swf”
}
xload.addEventListener(“change”, form1);

i am using the above code

please tell me a solution