14786 Search engine - keywords

I have a php SE script which extract results from different sources. I am looking for a script to integrate into my script to enabling me to do the following: - 1/ Capture keyword phrase from major searching engines (google,yahoo,msn,hotbot,askjeeves,...etc( 2/ Parse it into the input "form" box and perform a search - propagate the keyword into the input 3/ simple enough to integrate into any php script with search functions PMB me if you need further information.