function view_img(objID,srcUrl) {
  var obj = document.getElementById(objID);
  obj.src=srcUrl;
}

function preLoadImg() {
    imgArray = new Array(preLoadImg.arguments.length);
    for(var i=0; i<preLoadImg.arguments.length; i++){
        imgArray[i] = new Image();
        imgArray[i].src = preLoadImg.arguments[i];
    }
}

function sDisplay(objID,displ,topPos){
  var obj = document.getElementById(objID);
  obj.style.display=displ;
  if (topPos) {
    obj.style.top = topPos;
  }
}