rem: style.setProperty(propname, propval, ""); 
add: style.setProperty(propName.value, propValue.value, ""); 
context:   cmdNewProperty: function()  {    var propname = prompt("Enter the property name:", "");    if (!propname) return;    var propval = prompt("Enter the property value:", "");    if (!propval) return;        var style = this.getSelectedRule().style;    style.setProperty(propname, propval, "");    this.mPropsBoxObject.invalidate();  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/2e5037068b1cdfad71a584a4f840def35e6af75e/styleRules.js/buggy/extensions/inspector/resources/content/viewers/styleRules/styleRules.js