#homeleft{ background:url(images/hero_home_left.jpg) top right no-repeat  }
#homeright{ background:url(images/hero_home_right.jpg) top left no-repeat  }

#navbg{ background:url(images/navbg.jpg) top repeat  }
#underhero{ background:url(images/mainbg.jpg) top repeat  }

#materialsleft{ background:url(images/hero_home_left.jpg) top right no-repeat  }
#materialsright{ background:url(images/hero_home_right.jpg) top left no-repeat  }

#contactleft{ background:url(images/hero_home_left.jpg) top right no-repeat  }
#contactright{ background:url(images/hero_home_right.jpg) top left no-repeat  }

#prcessleft{ background:url(images/hero_home_left.jpg) top right no-repeat  }
#processright{ background:url(images/hero_home_right.jpg) top left no-repeat  }