Have you to make multiple address in one image

few of devloppers know notion of map .. map allow to us ' with css and only html ' to have one only image but by in any place u click they redirect u to an adresse ... this outil appear in the head and it became usefull also in others context i'll show u an exemple but here they used 4 image each one have a adresse and unfornatly that make conexion with serveur very long in fat if we use one only image and we include to it 4 adresse :) i'll show u how :)