function imprelod(imname,imbild){
  if (browserOK) {     
    mapimage[mapOpj] = new Array();
    mapimage[mapOpj][0] = new Image();
    mapimage[mapOpj][0].src = imbild;
    mapimage[mapOpj][1] = imname;
    mapOpj++;
  }
}

mapimage = new Array();
var mapOpj = 1;

imprelod("imgma1","img/landosteuropa.gif");
imprelod("imgma2","img/landmitte.gif");
imprelod("imgma3","img/landsueden.gif");
imprelod("imgma4","img/landsuedensud.gif");

imprelod("imgma5","img/landafmittel_ov.gif");
imprelod("imgma6","img/landchina_ov.gif");
imprelod("imgma7","img/landeuropa_ov.gif");
imprelod("imgma8","img/landkaribik_ov.gif");
imprelod("imgma9","img/landmittelam_ov.gif");
imprelod("imgma10","img/landmittlerost_ov.gif");
imprelod("imgma11","img/landnaherost_ov.gif");
imprelod("imgma12","img/landosteuropa_ov.gif");
imprelod("imgma13","img/landozeani_ov.gif");
imprelod("imgma14","img/landsuedafr_ov.gif");
imprelod("imgma15","img/landsuedamer_ov.gif");
imprelod("imgma16","img/landsuedindisch_ov.gif");
imprelod("imgma17","img/landsuedindoch_ov.gif");
imprelod("imgma18","img/landtropafr_ov.gif");

function imon(oname1,nname1,oname2,nname2,oname3,nname3,oname4,nname4){
	if (browserOK) {   
		document.images[oname1].src = mapimage[nname1][0].src;
		document.images[oname2].src = mapimage[nname2][0].src;
		document.images[oname3].src = mapimage[nname3][0].src;
		document.images[oname4].src = mapimage[nname4][0].src;
	}
}