if ( ax[i] ) { rx.push( ax[i] ); 
if (ax[i]) { rx.push(ax[i]); 
    var flattenAndCompact = function (ax) {         var rx = new Array();         for(var i = 0; i < ax.length; i++ ) {            if ( ax[i] instanceof Array ) {                rx = rx.concat( flattenAndCompact( ax[i] ) );            } else {                 if ( ax[i] ) {                     rx.push( ax[i] );                 }            }        }        return rx;    };
4137	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4137/888f4f7a78848981050d0238bac0029f91b045f6/parser-debug.js/clean/parser-debug.js