var Timer;

function ScrollUp1(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll1').scrollTop += 2", 15);
}
function ScrollDown1(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll1').scrollTop -= 2", 15);
}

function ScrollUp2(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll2').scrollTop += 2", 15);
}
function ScrollDown2(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll2').scrollTop -= 2", 15);
}

function ScrollUp3(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll3').scrollTop += 2", 15);
}
function ScrollDown3(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll3').scrollTop -= 2", 15);
}

function ScrollUp4(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll4').scrollTop += 2", 15);
}
function ScrollDown4(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll4').scrollTop -= 2", 15);
}

function ScrollUp5(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll5').scrollTop += 2", 15);
}
function ScrollDown5(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll5').scrollTop -= 2", 15);
}

function ScrollUp6(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll6').scrollTop += 2", 15);
}
function ScrollDown6(){
clearInterval(Timer);
Timer = setInterval("document.getElementById('thumbscroll6').scrollTop -= 2", 15);
}