rem: if (history.childNodes.length % 2) 
add: if (historyDisplay.childNodes.length % 2) 
context: function appendMessage(exp, msg){    var history = document.getElementById("history");    var row = document.createElement("div");    row.className = "row";    if (history.childNodes.length % 2)        row.className += " alt";        if (exp.length > 0) {        var expression = document.createElement("div");        expression.className = "expression";        expression.innerText = exp;        row.appendChild(expression);    }        var result = document.createElement("div");    result.className = "result";    result.innerText = msg;        row.appendChild(result);        history.appendChild(row);    history.scrollTop = history.scrollHeight;}
meta: 5650	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5650/168cb95b7b4179c566b18084b2f5576271fdbc81/console.js/buggy/WebKitTools/Drosera/console.js