add: if (row.value == -1) return; 
context: function con_sourcesel (e){    if (console.sourceView.selectedIndex == -1)        return;        console.scriptsView.selectedIndex = -1;    console.stackView.selectedIndex   = -1;    console.projectView.selectedIndex = -1;    if (console.sourceView.outliner.selection.getRangeCount() > 1)    {        var row = new Object();        var colID = new Object();        var childElt = new Object();                var outliner = console.sourceView.outliner;        outliner.getCellAt(e.clientX, e.clientY, row, colID, childElt);                console.sourceView.selectedIndex = row.value;    }}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/728727cafd21cdf40e3948a45a38ab6ae91baa1c/venkman-handlers.js/clean/extensions/venkman/resources/content/venkman-handlers.js