var speed = 20
var distance = 5
var moveok
function movecontent(uord, objName, objDimension) {
  if (uord=="down" || uord=="up"){
    if (document.getElementById(objName).offsetHeight>objDimension) {
      if (uord=="down") {d=distance*-1} else {d=distance}
      moveok = setInterval("moveobj("+d+", '"+objName+"', "+objDimension+")",speed)
    }
  }else{
    if (document.getElementById(objName).offsetWidth>objDimension) {
      if (uord=="right") {d=distance*-1} else {d=distance}
      moveok = setInterval("moveobjs("+d+", '"+objName+"', "+objDimension+")",speed)
    }
  }
}
function moveobj(dis, objName, objDimension) {
  if ((dis>0)&&(parseInt(document.getElementById(objName).style.top)>(0-dis))) {
    document.getElementById(objName).style.top = 0
    clearInterval(moveok)
  } else if ((dis<0)&&(parseInt(document.getElementById(objName).style.top)<(objDimension-dis-parseInt(document.getElementById(objName).offsetHeight)))) {
    document.getElementById(objName).style.top = objDimension-(parseInt(document.getElementById(objName).offsetHeight))
    clearInterval(moveok)
  } else {
    document.getElementById(objName).style.top = (parseInt(document.getElementById(objName).style.top) + dis) + "px"
  }
}
function moveobjs(dis, objName, objDimension) {
  if ((dis>0)&&(parseInt(document.getElementById(objName).style.left)>(0-dis))) {
    document.getElementById(objName).style.left = 0
    clearInterval(moveok)
  } else if ((dis<0)&&(parseInt(document.getElementById(objName).style.left)<(objDimension-dis-parseInt(document.getElementById(objName).offsetWidth)))) {
    document.getElementById(objName).style.left = objDimension-(parseInt(document.getElementById(objName).offsetWidth))
    clearInterval(moveok)
  } else {
    document.getElementById(objName).style.left = (parseInt(document.getElementById(objName).style.left) + dis) + "px"
  }
}
function imageswap(objImage, strImage) {
  objImage.src = strImage
}