function Scroller(x, y, width, height, border, padding) {
this.x=x;
this.y=y;
this.width=width;
this.height=height;
this.border=border;
this.padding=padding;
this.items=new Array();
this.created=false;
this.fgColor="#000000";
this.bgColor="#000000";
this.bdColor="#000000";
this.fontFace="Verdana, Arial,Helvetica";
this.fontSize="1";
this.speed=50;
this.pauseTime=2000;
this.setColors=scrollerSetColors;
this.setFont=scrollerSetFont;
this.setSpeed=scrollerSetSpeed;
this.setPause=scrollersetPause;
this.addItem=scrollerAddItem;
this.create=scrollerCreate;
this.show=scrollerShow;
this.hide=scrollerHide;
this.moveTo=scrollerMoveTo;
this.moveBy=scrollerMoveBy;
this.getzIndex=scrollerGetzIndex;
this.setzIndex=scrollerSetzIndex;
this.stop=scrollerStop;
this.start=scrollerStart;
}
function scrollerSetColors(fgcolor, bgcolor, bdcolor) {
if (!this.created) {
this.fgColor=fgcolor;
this.bgColor=bgcolor;
this.bdColor=bdcolor;
}
}
function scrollerSetFont(face, size) {
if (!this.created) {
this.fontFace=face;
this.fontSize=size;
}
}
function scrollerSetSpeed(pps) {
if (!this.created)
this.speed=pps;
}
function scrollersetPause(ms) {
if (!this.created)
this.pauseTime=ms;
}
function scrollerAddItem(str) {
if (!this.created)
this.items[this.items.length]=str;
}
function scrollerCreate() {
var start, end;
var str;
var i, j;
var x, y;
if (!isMinNS4 && !isMinIE4)
return;
if (scrollerList.length == 0)
setInterval('scrollerGo()', scrollerInterval);
if (this.created)
return;
this.created=true;
this.items[this.items.length]=this.items[0];
start='<table border=0'
+' cellpadding='+(this.padding+this.border)+' cellspacing=0'
+' width='+this.width+' height='+this.height+'>'
+'<tr align="top"><td align="top">'
+'<font color="'+this.fgColor+'" face="'+this.fontFace+'"'
+' size='+this.fontSize+'>';
end  ='</font></td></tr></table>';
if (isMinNS4) {
this.baseLayer=new Layer(this.width);
this.scrollLayer=new Layer(this.width, this.baseLayer);
this.scrollLayer.visibility="inherit";
this.itemLayers=new Array();
for (i=0; i < this.items.length; i++) {
this.itemLayers[i]=new Layer(this.width, this.scrollLayer);
this.itemLayers[i].document.open();
this.itemLayers[i].document.writeln(start+this.items[i]+end);
this.itemLayers[i].document.close();
this.itemLayers[i].visibility="inherit";
}
if (this.bdColor != "") {setBgColor(this.baseLayer, this.bdColor);};
if (this.bgColor != "") {setBgColor(this.scrollLayer, this.bgColor);};
}
if (isMinIE4) {
i=scrollerList.length;
str='<div id="scroller'+i+'_baseLayer"'
+' style="position:absolute;'
+'left:0px; top:0px;'
+'background-color:'+this.bdColor+';'
+'width:'+this.width+'px;'
+'height:'+this.height+'px;'
+'overflow:hidden;'
+'visibility:hidden;">\n'
+'<div id="scroller'+i+'_scrollLayer"'
+' style="position:absolute;'
+'background-color: '+this.bgColor+';'
+'width:'+this.width+'px;'
+'height:'+(this.height * this.items.length)+'px;'
+'visibility:inherit;">\n';
for (j=0; j < this.items.length; j++) {
str += '<div id="scroller'+i+'_itemLayer'+j+'"'
+' style="position:absolute;'
+'width:'+this.width+'px;'
+'height:'+this.height+'px;'
+'visibility:inherit;">\n'
+start+this.items[j]+end
+'</div>\n';
}
str += '</div>\n'
+'</div>\n';
if (!isMinIE5) {
x=getPageScrollX();
y=getPageScrollY();
window.scrollTo(getPageWidth(), getPageHeight());
}
document.body.insertAdjacentHTML("beforeEnd", str);
if (!isMinIE5)
window.scrollTo(x, y);
this.baseLayer=getLayer("scroller"+i+"_baseLayer");
this.scrollLayer=getLayer("scroller"+i+"_scrollLayer");
this.itemLayers=new Array();
for (j=0; j < this.items.length; j++)
this.itemLayers[j]=getLayer("scroller"+i+"_itemLayer"+j);
}
moveLayerTo(this.baseLayer, this.x, this.y);
clipLayer(this.baseLayer, 0, 0, this.width, this.height);
moveLayerTo(this.scrollLayer, this.border, this.border);
clipLayer(this.scrollLayer, 0, 0,
this.width - 2 * this.border, this.height - 2 * this.border);
x=0;
y=0;
for (i=0; i < this.items.length; i++) {
moveLayerTo(this.itemLayers[i], x, y);
clipLayer(this.itemLayers[i], 0, 0, this.width, this.height);
y += this.height;
}
this.stopped=false;
this.currentY=0;
this.stepY=this.speed / (1000 / scrollerInterval);
this.stepY=Math.min(this.height, this.stepY);
this.nextY=this.height;
this.maxY=this.height * (this.items.length - 1);
this.paused=true;
this.counter=0;
scrollerList[scrollerList.length]=this;
showLayer(this.baseLayer);
}
function scrollerShow() {
if (this.created)
showLayer(this.baseLayer);
}
function scrollerHide() {
if (this.created)
hideLayer(this.baseLayer);
}
function scrollerMoveTo(x, y) {
if (this.created)
moveLayerTo(this.baseLayer, x, y);
}
function scrollerMoveBy(dx, dy) {
if (this.created)
moveLayerBy(this.baseLayer, dx, dy);
}
function scrollerGetzIndex() {
if (this.created)
return(getzIndex(this.baseLayer));
else
return(0);
}
function scrollerSetzIndex(z) {
if (this.created)
setzIndex(this.baseLayer, z);
}
function scrollerStart() {
this.stopped=false;
}
function scrollerStop() {
this.stopped=true;
}
var scrollerList    =new Array();
var scrollerInterval=20;
function scrollerGo() {
var i;
for (i=0; i < scrollerList.length; i++) {
if (scrollerList[i].stopped);
else if (scrollerList[i].paused) {
scrollerList[i].counter += scrollerInterval;
if (scrollerList[i].counter > scrollerList[i].pauseTime)
scrollerList[i].paused=false;
}
else {
scrollerList[i].currentY += scrollerList[i].stepY;
if (scrollerList[i].currentY >= scrollerList[i].nextY) {
scrollerList[i].paused=true;
scrollerList[i].counter=0;
scrollerList[i].currentY=scrollerList[i].nextY;
scrollerList[i].nextY += scrollerList[i].height;
}
if (scrollerList[i].currentY >= scrollerList[i].maxY) {
scrollerList[i].currentY -= scrollerList[i].maxY;
scrollerList[i].nextY=scrollerList[i].height;
}
scrollLayerTo(scrollerList[i].scrollLayer, 0, Math.round(scrollerList[i].currentY),false);
}
}
}
var origWidth;
var origHeight;
if (isMinNS4) {
origWidth =window.innerWidth;
origHeight=window.innerHeight;
}
window.onresize=scrollerReload;
function scrollerReload() {
if (isMinNS4 && origWidth == window.innerWidth && origHeight == window.innerHeight)
return;
if (isMinIE4)
setTimeout('window.location.href=window.location.href', 2000);
else
window.location.href=window.location.href;
}