var span, interval;  
var initStartPosition=0;  
var initTopPosition=10; // 垂直位置を調整  
var initEndPosition=100;  
var speed = 50;  
var startPosition, topPosition, endPosition;  

window.onload = function() { 
//	Slider_JS_Onload();
//	News_JS_Onload();
}  

function Slider_JS_Onload() {
  span = document.getElementById("spanScroll");  
  document.body.onunload = stopInterval;    
  initPosition();    
  scrollIt();
}

function News_JS_Onload() {
	TBNews_newsScrollInit();
}

function scrollIt() {  
  if (startPosition != 200) {  
      startPosition++;   
      topPosition--;   
      span.style.clip = "rect(" + (startPosition + 1) + " 100 " + (startPosition + endPosition) + " 0)";  
      span.style.top = topPosition;  
      interval = setTimeout("scrollIt()", speed);  
    }  
  else {  
    initPosition();  
      interval = setTimeout("scrollIt()", speed);  
    }  
}  
  
function initPosition() {  
  startPosition = initStartPosition;  
    topPosition = initTopPosition;  
    endPosition = initEndPosition;  
}  

function stopInterval() {  
  clearTimeout(interval)  
}