[†‡Paladin‡†]

омг...

var myXML_head:XML= <main></main>;

for (var i:int=0; i<predmets_add.length; i++){		
 var myNode:XML = <submain>{predmets_add.getItemAt(i).col8}</ submain>;
 myXML_head.appendChild(myNode);
}