// News Scrolling
function Ticker(id, width, height, messages, stop_time, scroll_speed) {
	this.id = id;
	this.width = width;
	this.height = height;
	this.messages = document.all[messages];
	this.stop_time = (typeof stop_time == "undefined")? 3000: stop_time;
	this.scroll_speed = (typeof scroll_speed == "undefined")? 100: scroll_speed;
	this.div = new Array(2);
	this.head = 0;
	this.tail = 1;
	this.is_stop = false;
	this.index = Math.floor(this.messages.length*Math.random());

	this.Display = function(bgcolor) {
		if (this.messages.length == 1) this.messages[1].innerHTML = this.messages[0].innerHTML;

		if (document.all) {
	        document.writeln('<span id="'+this.id+'" style="position:relative;width:'+this.width+';height:'+this.height+';overflow:hidden;" onMouseover="'+this.id+'.is_stop=true" onMouseout="'+this.id+'.is_stop=false">');
	        document.writeln('<div style="position:absolute;width:'+this.width+';height:'+this.height+';clip:rect(0 '+this.width+' '+this.height+' 0);left:0;top:0">');
	        document.writeln('<div id="'+this.id+'_TICKER_DIV1_" style="position:absolute;width:'+this.width+';height:'+this.height+';left:0;top:0;">');
	        document.writeln('</div>');
	        document.writeln('<div id="'+this.id+'_TICKER_DIV2_" style="position:absolute;width:'+this.width+';height:'+this.height+';left:0;top:'+this.height+'">');
	        document.writeln('</div>');
	        document.writeln('</div>');
	        document.writeln('</span>');

	        this.div[0] = eval(this.id+'_TICKER_DIV1_');
	        this.div[1] = eval(this.id+'_TICKER_DIV2_');

	        this.div[0].innerHTML = this.messages[this.index++].innerHTML;
	        if (this.index > this.messages.length-1) this.index = 0;

	        this.div[1].innerHTML = this.messages[this.index++].innerHTML;
	        if (this.index > this.messages.length-1) this.index = 0;

			setTimeout(this.id+".Scroll()", this.stop_time);
		} else {
			document.write(this.messages[0]);
		}
	}

	this.Scroll = function() {
		if (this.is_stop == false) {
			this.div[this.head].style.pixelTop -= 1;
			this.div[this.tail].style.pixelTop -= 1;
			//alert("-offsetHeight : " + (this.div[this.head].offsetHeight * -1) + "\n\nhead("+this.head+") pixelTop : "+this.div[this.head].style.pixelTop+", text : "+this.div[this.head].innerHTML+"\n\ntail("+this.tail+") pixelTop : " + this.div[this.tail].style.pixelTop+", text : "+this.div[this.tail].innerHTML)
			if (this.div[this.head].style.pixelTop == 0) {
				setTimeout(this.id+".Scroll()", this.stop_time);
			} else {
				//alert("head : "+this.head+", tail : "+this.tail+", index : "+this.index+", count : "+this.messages.length)
				if (this.div[this.head].style.pixelTop <= this.height * -1) {
					this.div[this.head].innerHTML = this.messages[this.index++].innerHTML;
					this.div[this.head].style.pixelTop = this.height + 1;
					this.div[this.tail].style.pixelTop += 1;

					if (this.index > this.messages.length-1) this.index = 0;

					this.OrderSwap();
				}

				setTimeout(this.id+".Scroll()", this.scroll_speed);
			}
		} else {
			setTimeout(this.id+".Scroll()", this.scroll_speed);
		}
	}

	this.OrderSwap = function() {
		temp = this.head;
		this.head = this.tail;
		this.tail = temp;
	}

	this.Display()
}

function StaticTicker(messages) {
	document.write(messages[Math.floor(messages.length*Math.random())]);
}

// rollover images
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}