Add 2 functions to PHP Search Script

I wanted to know is you can do these 2 ? 1 - Mile radius: In career builder once you select the >state>city>trade>then... you select "mile radius" Usually range is 10, 25, 50 or 100 miles.....in the order. 2 - Key search word highlighed in the resume. Career builder, outlook, talent hook... etc have this feature. once you have created a search >State>City>Trade.... the key word for the trades Ex: "electrician" and would be hightlighted in yellow where ever the word showed in the resume file.