var toScroll=new Array()
var ie=document.all
var dom=document.getElementById
var firstNews_obj;
var secondNews_obj;


function newsScroll(name){
  var c=this; 
  c.name=name; 
  c.mc=0; 
  c.i=2;
  return this;
}

newsScroll.prototype.addItem = function(text, link ,fontStyle){
  var c = this;
  if (link !=''){
      toScroll[c.mc]="<a href='"+link+"'><span class='"+fontStyle+"'>"+text+"</span></a>";
  }else { 
      toScroll[c.mc]="<span class='"+ fontStyle +"'>"+text+"</font>";
  }
  c.mc++;
}

newsScroll.prototype.construct = function(){
  var c = this; 
  theWidth = c.scrollerwidth; 
  theHeight=c.scrollerheight; 
  thebgColor = c.scrollerbgcolor; 
  theBackground =c.scrollerbackground; 
  theDelay=c.scrollerdelay;
  scroll_obj=eval(c.name);        
  if (ie||dom){
    var str = '';
    str += '<div id="main2" style="position:relative;width:'+theWidth+';height:'+theHeight+';overflow:hidden;background-color:'+thebgColor+' ;background-image:url('+theBackground+')">';
    str += '<div style="position:absolute;width:'+theWidth+';height:'+theHeight+';clip:rect(0 '+theWidth+' '+theHeight+' 0);left:0;top:0">';
    str += '<div id="firstNews" style="position:absolute;width:'+theWidth+';left:0;top:1">';
    str += toScroll[0];
    str += '</div>';
    str += '<div id="secondNews" style="position:absolute;width:'+theWidth+';left:0;top:0;visibility:hidden">';
    str += toScroll[dyndetermine=(toScroll.length==1)? 0 : 1];
    str += '</div>';
    str += '</div>';
    str += '</div>';
    
    return str;
  }
}

newsScroll.prototype.move = function(whichdiv){
  var c = this; theDelay = c.scrollerdelay; theHeight = c.scrollerheight; 
  scroll_obj=eval(c.name);
  tdiv=eval(whichdiv)

  if (parseInt(tdiv.style.top)>0&&parseInt(tdiv.style.top)<=5){
    tdiv.style.top=0+"px"
    setTimeout("scroll_obj.move(tdiv)",theDelay)
    setTimeout("scroll_obj.move2(secondNews_obj)",theDelay)
    //document.write('Got Milk?')
  return
  }
  if (parseInt(tdiv.style.top)>=tdiv.offsetHeight*-1){
    tdiv.style.top=parseInt(tdiv.style.top)-1+"px"
    setTimeout("scroll_obj.move(tdiv)",100)
  }
  else {
    tdiv.style.top=parseInt(theHeight)+"px"
    tdiv.innerHTML=toScroll[c.i]
    if (c.i==toScroll.length-1)
      c.i=0
    else
      c.i++
  }
}

newsScroll.prototype.move2 = function(whichdiv){
  var c = this; theDelay = c.scrollerdelay; theHeight= c.scrollerheight;
  scroll_obj=eval(c.name);
  tdiv2=eval(whichdiv)

  if (parseInt(tdiv2.style.top)>0&&parseInt(tdiv2.style.top)<=5){
    tdiv2.style.top=0+"px"
    setTimeout("scroll_obj.move2(tdiv2)",theDelay)
    setTimeout("scroll_obj.move(firstNews_obj)",theDelay)
    return
  }
  if (parseInt(tdiv2.style.top)>=tdiv2.offsetHeight*-1){
    tdiv2.style.top= parseInt(tdiv2.style.top) - 1 +"px"
    setTimeout("scroll_obj.move2(secondNews_obj)",100)
  }
  else {
    tdiv2.style.top=parseInt(theHeight)+"px"
    tdiv2.innerHTML=toScroll[c.i]
    if (c.i==toScroll.length-1)
      c.i=0
    else
      c.i++
  }
}

newsScroll.prototype.startScroll = function(){
  var c = this;
  scroll_obj=eval(c.name);        
  
  if (toScroll.length >2)
    c.i = 2;
  else
    c.i = 0;
  
  firstNews_obj=ie? firstNews : document.getElementById("firstNews")
  secondNews_obj=ie? secondNews : document.getElementById("secondNews")
  setTimeout("scroll_obj.move(firstNews_obj)",c.scrollerDelay);
  secondNews_obj.style.top=theHeight;
  secondNews_obj.style.visibility='visible'
}