rem: var adjust = btn.id == 'increasefontsize' ? 1 : -1; 
add: var adjust = btn.itemId == 'increasefontsize' ? 1 : -1; 
context:     adjustFont: function(btn){        var adjust = btn.id == 'increasefontsize' ? 1 : -1;        if(Ext.isSafari){             adjust *= 2;        }        var v = parseInt(this.doc.queryCommandValue('FontSize')|| 3, 10);        v = Math.max(1, v+adjust);        this.execCmd('FontSize', v + (Ext.isSafari ? 'px' : 0));    },
meta: 2891	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2891/d109eea1e59fbb030ac98e95f181f72da9611a48/ext-all-debug.js/buggy/gemma-web/src/main/webapp/scripts/ext/ext-all-debug.js