var TimeSet1 = 100;
function move1(){
     var pos1 = document.body.scrollTop;
     var pos2 = pos1 + 26;
     word1.style.top=pos2
     timerID1=setTimeout("move1()",TimeSet1);
}
function move2(){
     var pos1 = document.body.scrollTop;
     var pos3 = pos1 + 0;
     word2.style.top=pos3
     timerID1=setTimeout("move2()",TimeSet1);
}