a1=new Image(87,81)
a1.src="img/menu_obiekt2_d.gif"
a2=new Image(87,81)
a2.src="img/menu_obiekt2.gif"
ab1=new Image(87,81)
ab1.src="img/menu_obiekt2_d.gif"
ab2=new Image(87,81)
ab2.src="img/menu_obiekt2.gif"
b1=new Image(87,81)
b1.src="img/menu_logowanie_d.gif"
b2=new Image(87,81)
b2.src="img/menu_logowanie.gif"
bb1=new Image(87,81)
bb1.src="img/menu_logowanie2_d.gif"
bb2=new Image(87,81)
bb2.src="img/menu_logowanie2.gif"
c1=new Image(88,81)
c1.src="img/menu_katalog_d.gif"
c2=new Image(88,81)
c2.src="img/menu_katalog.gif"
d1=new Image(93,81)
d1.src="img/menu_handel_d.gif"
d2=new Image(93,81)
d2.src="img/menu_handel.gif"

function filter(imagename,objectsrc){
if (document.images)
document.images[imagename].src=eval(objectsrc+".src")
}