Export your QGIS project to OpenLayers HTML !
OGR2Layers Plugin detects any OGR supported data layer loaded into Quantum GIS, convert it to KML and write an OpenLayers HTML map including the KML overlay. The OpenLayers parameters like WMS base layer, default map extent and layerswitcher control can be configured from the plugin. Outputs KML can also be direcly loaded in Google Earth.
OGR2Layers is a free and easy to use python plugin for 