function init(){
for(var i=0; i<4; i++){
document.getElementById("mar1"+i).style.background="#ffffff";
document.getElementById("mar2"+i).style.background="#ffffff";};
 };//end function init()
//-----------------
function mark(num, N){
for(var i=0; i<8; i++){
document.getElementById("mar"+N+i).style.background="#f0f0f9";};
for(i=0; i<4; i++){
document.getElementById("mar"+N+(num*4+i)).style.background="#ffffff";};
document.getElementById("cont"+N).innerHTML= document.getElementById("escort"+N+num).innerHTML;
};//end function mark(num)
//----------------------