function ScrollText(content,btnPrevious,btnNext,autoStart) 
   { 
   this.Speed = 1; 
   this.Timeout = 2500; 
   this.LineHeight = 190; 
   this.NextButton = this.$(btnNext); 
   this.PreviousButton = this.$(btnPrevious); 
   this.ScrollContent = this.$(content); 
   this.ScrollContent.innerHTML += this.ScrollContent.innerHTML; 
   this.NextButton.onclick = this.GetFunction(this,"Next"); 
   this.PreviousButton.onclick = this.GetFunction(this,"Previous"); 
   
//   this.NextButton.onmouseover = this.GetFunction(this,"Stop"); 
//   this.NextButton.onmouseout = this.GetFunction(this,"Start"); 
//   
//   this.ScrollContent.onmouseover = this.GetFunction(this,"Stop"); 
//   this.ScrollContent.onmouseout = this.GetFunction(this,"Start"); 
//   
//   this.PreviousButton.onmouseover = this.GetFunction(this,"Stop"); 
//   this.PreviousButton.onmouseout = this.GetFunction(this,"Start"); 
   if(autoStart) 
   { 
   this.Start(); 
   } 
   } 
   
   ScrollText.prototype.$ = function(element) 
   { 
   return document.getElementById(element); 
   } 
   
   ScrollText.prototype.Previous = function() 
   { 
   clearTimeout(this.AutoScrollTimer); 
   clearTimeout(this.ScrollTimer); 
   this.Scroll("up"); 
   } 
   
   ScrollText.prototype.Next = function() 
   { 
   clearTimeout(this.AutoScrollTimer); 
   clearTimeout(this.ScrollTimer); 
   this.Scroll("down"); 
   } 
   
   ScrollText.prototype.Start = function() 
   { 
   this.AutoScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Timeout); 
   } 
   
   ScrollText.prototype.Stop = function() 
   { 
   clearTimeout(this.AutoScrollTimer); 
   } 
   
   ScrollText.prototype.AutoScroll = function() 
   { 
   this.ScrollContent.scrollTop++; 
   if(parseInt(this.ScrollContent.scrollTop) % this.LineHeight != 0) 
   { 
   this.ScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Speed); 
   } 
   else 
   { 
   if(parseInt(this.ScrollContent.scrollTop) >= parseInt(this.ScrollContent.scrollHeight) / 2) 
   { 
   this.ScrollContent.scrollTop = 0; 
   } 
   this.AutoScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Timeout); 
   } 
   } 
   
   ScrollText.prototype.Scroll = function(direction) 
   { 
   if(direction=="up") 
   { 
   this.ScrollContent.scrollTop--; 
   } 
   else 
   { 
   this.ScrollContent.scrollTop++; 
   } 
   if(parseInt(this.ScrollContent.scrollTop) >= parseInt(this.ScrollContent.scrollHeight) / 2) 
   { 
   this.ScrollContent.scrollTop = 0; 
   } 
   if(parseInt(this.ScrollContent.scrollTop) % this.LineHeight != 0) 
   { 
   this.ScrollTimer = setTimeout(this.GetFunction(this,"Scroll",direction), this.Speed); 
   } 
   } 
   
   ScrollText.prototype.GetFunction = function(variable,method,param) 
   { 
   return function() 
   { 
   variable[method](param); 
   } 
   }