function ct1(){
document.obrazek.src="ukazky_off.jpg";
}
function ct2(){
document.obrazek.src="im/ukazky_on.jpg";
}
function ct3(){
document.obrazek.src="im/pdf_off.jpg";
}
function ct4(){
document.obrazek.src="im/pdf_on.jpg";
}
function ct5(){
document.obrazek.src="im/jpg_off.jpg";
}
function ct6(){
document.obrazek.src="im/jpg_on.jpg";
}
function ct7(){
document.obrazek.src="im/3d_off.jpg";
}
function ct8(){
document.obrazek.src="im/3d_on.jpg";
}
function ct9(){
document.obrazek.src="im/latky_off.jpg";
}
function ct10(){
document.obrazek.src="im/latky_on.jpg";
}
function ct11(){
document.obrazek.src="im/plasty_off.jpg";
}
function ct12(){
document.obrazek.src="im/plasty_on.jpg";
}
function ct13(){
document.obrazek.src="../im/rozmery_off.jpg";
}
function ct14(){
document.obrazek.src="../im/rozmery_on.jpg";
}