iens6=document.all||document.getElementById
ns4=document.layers

//specify speed of scroll (greater=faster)
var speed=5
var moveupvar ;
var movedownvar;
var crossobj ;
var contentheight ;


function movedown(){
//if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+100))

//crossobj.style.top=parseInt(crossobj.style.top)-speed+"px"
//else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
//crossobj.top-=speed

//movedownvar=setTimeout("movedown()",20)

if (iens6 != null ){
     var topPx =  crossobj.style.top;

       if ( topPx.substring(topPx.length-2,topPx.length) == "px"){

        if ( topPx != null && topPx != ""){
          var lastI = topPx.length -2;

          var mtopPx = topPx.substring(0, lastI );
          crossobj.style.top = mtopPx;

         }

       }

       if (crossobj.style.top == null || crossobj.style.top == ""){
            crossobj.style.top = 0;
       }

       var ins = parseInt(crossobj.style.top) - 5;

       if (ins >=(contentheight*(-1)+130)){
           crossobj.style.top = ins;
       }



}

movedownvar=setTimeout("movedown()",120)














}

function moveup(){
if (iens6&&parseInt(crossobj.style.top)<=0)
crossobj.style.top=parseInt(crossobj.style.top)+speed+"px"
else if (ns4&&crossobj.top<=0)
crossobj.top+=speed
moveupvar=setTimeout("moveup()",120)

}

function getcontent_height(){
if (iens6)
contentheight=crossobj.offsetHeight
else if (ns4)
document.nscontainer.document.nscontent.visibility="show"
}


function clearT( source ){

    if (source == 'moveup'){

        clearTimeout(moveupvar);

    }
    else if (source == 'movedown'){

        //alert ("cleartimeout  is " + movedownvar );
        clearTimeout(movedownvar)

    }

}


 function init(){
 if (iens6){
    //alert( document.getElementById? document.getElementById("innerTextContent") : document.all.content);
    crossobj=document.getElementById? document.getElementById("innerTextContent") : document.all.content
    contentheight=crossobj.offsetHeight
    //alert(contentheight);
 }
  else if (ns4){
    crossobj=document.nscontainer.document.nscontent
    contentheight=crossobj.clip.height
  }

  getcontent_height();

}