if (document.images) {
reset1 = new Image;
reset1.src = '/eb/buttons/reset1.gif';
reset2 = new Image;
reset2.src = '/eb/buttons/reset2.gif';
reset3 = new Image;
reset3.src = '/eb/buttons/reset3.gif';
compare1 = new Image;
compare1.src = '/eb/buttons/compare1.gif';
compare2 = new Image;
compare2.src = '/eb/buttons/compare2.gif';
compare3 = new Image;
compare3.src = '/eb/buttons/compare3.gif';
aboutplots1 = new Image;
aboutplots1.src = '/eb/buttons/aboutplots1.gif';
aboutplots2 = new Image;
aboutplots2.src = '/eb/buttons/aboutplots2.gif';
aboutplots3 = new Image;
aboutplots3.src = '/eb/buttons/aboutplots3.gif';
envmaps1 = new Image;
envmaps1.src = '/eb/buttons/envmaps1.gif';
envmaps2 = new Image;
envmaps2.src = '/eb/buttons/envmaps2.gif';
envmaps3 = new Image;
envmaps3.src = '/eb/buttons/envmaps3.gif';
ellenberg1 = new Image;
ellenberg1.src = '/eb/buttons/ellenberg1.gif';
ellenberg2 = new Image;
ellenberg2.src = '/eb/buttons/ellenberg2.gif';
ellenberg3 = new Image;
ellenberg3.src = '/eb/buttons/ellenberg3.gif';
commonflora1 = new Image;
commonflora1.src = '/eb/buttons/commonflora1.gif';
commonflora2 = new Image;
commonflora2.src = '/eb/buttons/commonflora2.gif';
commonflora3 = new Image;
commonflora3.src = '/eb/buttons/commonflora3.gif';
fauna1 = new Image;
fauna1.src = '/eb/buttons/fauna1.gif';
fauna2 = new Image;
fauna2.src = '/eb/buttons/fauna2.gif';
fauna3 = new Image;
fauna3.src = '/eb/buttons/fauna3.gif';
options1 = new Image;
options1.src = '/eb/buttons/options1.gif';
options2 = new Image;
options2.src = '/eb/buttons/options2.gif';
options3 = new Image;
options3.src = '/eb/buttons/options3.gif';
environment1 = new Image;
environment1.src = '/eb/buttons/environment1.gif';
environment2 = new Image;
environment2.src = '/eb/buttons/environment2.gif';
environment3 = new Image;
environment3.src = '/eb/buttons/environment3.gif';
pdprofiles1 = new Image;
pdprofiles1.src = '/eb/buttons/pdprofiles1.gif';
pdprofiles2 = new Image;
pdprofiles2.src = '/eb/buttons/pdprofiles2.gif';
pdprofiles3 = new Image;
pdprofiles3.src = '/eb/buttons/pdprofiles3.gif';
}