var xmlhttp;

function getRSS()
{

xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return;
  }
var url="getimage.php?";
url="getrss.php";
xmlhttp.onreadystatechange=stateChanged4;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged4()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("rssblock").innerHTML=xmlhttp.responseText;
  chkscroll();
 
  
  }
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}

var tspotsize=200;
var tspotoverf=0;
var scrollincr=0;
var stopscroll=1;
var scrollwait=0;

var topspot=0;

function chkscroll()
 {chko=document.getElementById('rssblock').offsetHeight;
  
  
  if(chko > tspotsize)
    {
     scr=180/(chko-180)
       
       scrollincr=Math.round(scr*100)/100;
     
     
    }
  }

function stopscrolling()
  {if(scrollwait==0)
    {scrollwait=1;
     setTimeout("stopscrolling();",10);}
     
   
   
   }
function scrolling()
  {stopscroll=0;
   scrollwait=0;
   topspot=0;
   who=document.getElementById("slider");
   while(who)
 {topspot=topspot+who.offsetTop;
  who=who.offsetParent;
  }

    document.onmousemove=scrollit;
  }

function gotoscroll()
 {
  document.onclick=scrollit;
  stopscroll=1;}
function scrollit(evt)
  { if(!ie)
     {y=evt.pageY;}
   else
     {if(ie)
        {y=event.clientY + document.documentElement.scrollTop;}}
   
   
   document.onmousedown=""
   scrollh=y-topspot;
   
   if(scrollh > 180)
     {scrollh =180;
      }
   if(scrollh < 0)
     {scrollh =0;
      }
   
   document.getElementById("slider").style.top=scrollh+"px";
   
   document.getElementById("slider").focus;
   newscroll=(Math.round(scrollh/scrollincr))-1;
   
   document.getElementById("rssblock").style.marginTop=-newscroll + "px";
  
   
   
   
  
   document.onmouseup=scrolldone;
   if(stopscroll)
     { document.onmouseup=scrolldone;
       scrolldone();}
  }
function scrolldone()
  {  stopscroll=1;
  
  
  document.onmousemove="";
  document.onmouseup="";
   document.onmousedown="";
   document.onclick="";
   document.getElementById("slider").blur;
}