//scroll
var pWidth = 0;
var speed = 3; // change scroll speed with this value
//Get a collection of all of the objects of a particular type, can pass in an object that they should be collected from.
function getElementsByTagNames(list,obj) {
  if (!obj) var obj = document;
  var tagNames = list.split(',');
  var resultArray = new Array();
  for (var i=0;i<tagNames.length;i++) {
    var tags = obj.getElementsByTagName(tagNames[i]);
    for (var j=0;j<tags.length;j++) {
      resultArray.push(tags[j]);
    };
  };
  var testNode = resultArray[0];
  if(!testNode){
    return [];
  };
  if(testNode.sourceIndex){
    resultArray.sort(function(a,b){
      return a.sourceIndex - b.sourceIndex;
    });
  }else if(testNode.compareDocumentPosition){
    resultArray.sort(function(a,b){
      return 3 - (a.compareDocumentPosition(b) & 6);
    });
  };
  return resultArray;
}

// Initialize the marquee, and start the marquee by calling the marquee function.
function init_marquee(){
	
  var div = document.getElementById("ad");
  div.style.overflow = 'hidden';
  
  var ps = getElementsByTagNames('p',div);
  for(var j=0;j<ps.length;j++){
    pWidth += ps[j].offsetWidth;
  }
 
  var startdiv = document.getElementById("start");
    startdiv.style.width = pWidth+'px';
    div.scrollLeft = 0;
    setTimeout("scrollFromSide()",4);
   startit()
  
}

var go = 0;
var timeout = '';
 
//This is where the scroll action happens.  Recursive method until stopped.
function scrollFromSide(){
  clearTimeout(timeout);
  var el = document.getElementById("ad");
  if(el.scrollLeft >= pWidth-600){
    el.scrollLeft = 0;
  };
  el.scrollLeft = el.scrollLeft+speed;
  if(go == 0){
    timeout = setTimeout("scrollFromSide()",70);
  };
}
 
// Set the stop variable to be true (will stop the marquee at the next pass).
function stop(){
  go = 1;
  timeout = '';
}
 
// Set the stop variable to be false and call the marquee function.
function startit(){
  go = 0;
  scrollFromSide();
}

//end scroll

function open_top(img_url, img_width){
top_win = window.open(img_url, "top_win", "width="+eval(img_width)+", height=500, resizable=yes, menubar=yes, toolbar=no, location=no, scrollbars=yes, status=no, left=0, screenX=0, top=0, screenY=0");
//window.top_win.moveTo(0,0);
if(!(window.top_win.closed) || !(window.top_win==null))
	{
	//window.top_win.moveTo(0,0);
	window.top_win.focus();
	}
}//end open_top