var UID;
var POSX;
var POSY;
var W;
var MOVEON = '<sc'+'ript language="JavaScript" src="http://www.yaoti.org/free-yaoticode.php?UID='+UID+'&POSX='+POSX+'&POSY='+POSY+'&W='+W+'"></script>';

document.write(MOVEON);