function tab0(){
document.t1.src = "images/tab1.png";
document.t2.src = "images/tab2.png";
document.t3.src = "images/tab3.png";
document.t4.src = "images/tab4.png";
document.t5.src = "images/tab5.png";
document.t6.src = "images/tab6.png";
}
function tab1(){
tab0();
document.t1.src = "images/tab1s.png";
}
function tab2(){
tab0();
document.t2.src = "images/tab2s.png";
}
function tab3(){
tab0();
document.t3.src = "images/tab3s.png";
}
function tab4(){
tab0();
document.t4.src = "images/tab4s.png";
}
function tab5(){
tab0();
document.t5.src = "images/tab5s.png";
}
function tab6(){
tab0();
document.t6.src = "images/tab6s.png";
}