no
The command is javascript JavaScript is interpreted by the browser browsers use JavaScript engines to execute the commands each browser differs
search google for 'drag and drop script' OR go and download script.aculo.us, and implement the great drag and drop scripts they have.
There are two types of search engines 1. Hybrid search engines 2. Meta search engines
Spider-Based Search Engines. Directory-Based Search Engines. Link-Based Search Engines.
Horizontal search engines are general-purpose search engines such as Google and Yahoo. Vertical search engines, meanwhile, are specialized by content such as Trulia, Mocavo and Yelp.
name five search engines
It is where you can search anything you wanted to. Yahoo ang Google are example of search engines.
you dont, thats why they are crawler search engines.
Discovery
Crawler based search engines such as google .com HUman powered directories and Hybrid search engines
Yes there is search engines for assets. Just google it on google and you can find some many search engines for assets.