button10_a= new Image();
button10_a.src = "wsimages/kontakt1.png"
button10_b= new Image(); 
button10_b.src = "wsimages/kontakt2.png"

button11_a= new Image();
button11_a.src = "wsimages/suche1.png"
button11_b= new Image();
button11_b.src = "wsimages/suche2.png"

button12_a= new Image();
button12_a.src = "wsimages/angebote1.png"
button12_b= new Image();
button12_b.src = "wsimages/angebote2.png"

button13_a= new Image();
button13_a.src = "wsimages/auto1.png"
button13_b= new Image();
button13_b.src = "wsimages/auto2.png"

button14_a= new Image();
button14_a.src = "wsimages/gb1.png"
button14_b= new Image();
button14_b.src = "wsimages/gb2.png"

button15_a= new Image();
button15_a.src = "wsimages/team1.png"
button15_b= new Image();
button15_b.src = "wsimages/team2.png"

button16_a= new Image();
button16_a.src = "wsimages/flug1.png"
button16_b= new Image();
button16_b.src = "wsimages/flug2.png"