if (document.images) {
lat_1 = new Image();
lat_1.src = "images/lat_1.gif";
rus_1 = new Image();
rus_1.src = "images/rus_1.gif";
eng_1 = new Image();
eng_1.src = "images/eng_1.gif";
nots_1 = new Image();
nots_1.src = "gifs/nots_1.jpg";


lat_2 = new Image();
lat_2.src = "images/lat_2.gif";
rus_2 = new Image();
rus_2.src = "images/rus_2.gif";
eng_2 = new Image();
eng_2.src = "images/eng_2.gif";
nots_2 = new Image();
nots_2.src = "gifs/nots_2.jpg";

}

function onButt(imgName) {
  if (document.images)
		document[imgName].src = eval(imgName + '_2.src');
}

function offButt(imgName) {
  if (document.images)
		document[imgName].src = eval(imgName + '_1.src');
}





defaultStep=1  
step=defaultStep  

function scrollDivDown(id){ 
clearTimeout(timerDown)  
document.getElementById(id).scrollTop+=step  
timerDown=setTimeout("scrollDivDown('"+id+"')",10) 

}  

function scrollDivUp(id){ 
clearTimeout(timerUp) 
document.getElementById(id).scrollTop-=step  
timerUp=setTimeout("scrollDivUp('"+id+"')",10) 
}  

timerDown=""  
timerUp=""  

function stopMe(){ 
clearTimeout(timerDown)  
clearTimeout(timerUp) 
} 

document.onmousemove=function(){stopMe()}