function detectPlugin(CLSID,functionName) { var pluginDiv = document.createElement("<div id=\"pluginDiv\" style=\"display:none\"></div>") document.body.insertBefore(pluginDiv); pluginDiv.innerHTML = '<object id="objectForDetectPlugin" classid="CLSID:'+ CLSID +'"></object>'; try { if(eval("objectForDetectPlugin." + functionName) == undefined) { pluginDiv.removeNode(true);//删除pluginDiv及其所有的子元素 return false; } else { pluginDiv.removeNode(true);//删除pluginDiv及其所有的子元素 return true; } } catch(e) { return false; } }