How do I avoid the Active Content warning in IE when I create Javascript coding?

I am brand new to web pattern as well as am using in to a complaint with a make make use of of of Javascript in Internet explorer. The page wouldnt bucket a menus (or anything else) we have written untill we click which we wish to concede active calm to run. we dont have this complaint with Firefox.
I have been upon most pages which make make use of of Javascript but any warnings popping up as well as would similar to to know what we should be you do differently.

How do I get my browser configured to have JavaScript and Cookies enabled?

I have to do this in sequence to make use of an online focus as well as have unsuccessfully searched a "Internet Options" partial of a Tools add-on upon a record menu during a tip of a page.

I am additionally approaching to know a Internet Explorer chronicle we have. How do we find a version?
I attempted as well as unsuccessful to find a Internet Explorer chronicle by starting from "All Programs" to "Accessories" to "System Tools" to "System Information" to "System Summary" to "Internet Settings" as well as searched all in there to no avail.

Summary – assistance me find these 3 things:
How to capacitate 1. JavaScript as well as 2. cookies as well as
3. find my Internet Explorer Version

My thankfulness is lengthened to any one which can assistance me with these 3 things.

After uploading pictures a blank website appears with php something?

Please assistance it is really annoying.

When we try to upload cinema or photos to websites, even by regulating elementary uploader, a vacant page appears as well as it has a little prolongation similar to php as well as a upload is not successful it happens in assorted websites similar to facebook as well as alternative kind of internet website. we don`t know because it proposed happenning? What should we do any ideas?
The pic sizes have been reduction than 250 KB

How to measure MySQL query completion time?

I have a web focus used to do a little poke retrieval around a Internet. The poke formula have been afterward stored in a database.

What i instruct to know is how do we magnitude a mysql question execution time?

is there a specific apparatus which can be used to magnitude how prolonged it takes for a question to be sent, returned as well as a formula stored in a database?