function verScroll(dir, spd, loop) {

loop = true;

direction = "up";

speed = 50;

scrolltimer = null;

if (document.layers) {

var page = eval(document.contentLayer);

}

else {

if (document.getElementById) {

var page= eval("document.getElementById('contentLayer').style");

}

else {

if (document.all) {

var page = eval(document.all.contentLayer.style);

      }

   }

}

direction = dir;

speed = parseInt(spd);

var y_pos = parseInt(page.top);

if (loop == true) {

if (direction == "dn" && y_pos > - 640 ) {

page.top = (y_pos - (speed));

} else {

if (direction == "up" && y_pos < 1) {

page.top = (y_pos + (speed));

} else {

if (direction == "top") {

page.top = 50;

      }

   }

}

scrolltimer = setTimeout("verScroll(direction,speed)", 1);

   }

}

//----------------------------------------------

function stopScroll() {

loop = false;

clearTimeout(scrolltimer);

}

//--------------------------------------------