//JS File

function roll(img_name, img_src) {
    document[img_name].src = "images/" + img_src;
}
function DoBlur(fld) {
    fld.style.backgroundColor = '#666666';
}
function DoFocus(fld) {
    fld.style.backgroundColor = 'silver';
}

var OP = (navigator.userAgent.indexOf("Opera",0) != -1)?1:0;
var N6 = document.getElementById;
var IE = document.all;
var N4 = document.layers;

function getScrollLeft() {
 if (IE) {
  return document.body.scrollLeft || document.documentElement.scrollLeft;
 } else if (N6 || N4 || OP) {
  return window.pageXOffset;
 } else {
  return 0;
 }
}

function getScrollTop() {
 if (IE) {
  return document.body.scrollTop || document.documentElement.scrollTop;
 } else if (N6 || N4 || OP) {
  return window.pageYOffset;
 } else {
  return 0;
 }
}

var pageScrollTimer;

function pageScroll(toX,toY,frms,cuX,cuY) { // 020301
 if (pageScrollTimer) clearTimeout(pageScrollTimer);
 if (!toX || toX < 0) toX = 0;
 if (!toY || toY < 0) toY = 0;
 if (!cuX) cuX = 0 + getScrollLeft();
 if (!cuY) cuY = 0 + getScrollTop();
 if (!frms) frms = 6;

 cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
 cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
 var posX = Math.floor(cuX);
 var posY = Math.floor(cuY);
 window.scrollTo(posX, posY);
 if (posX != toX || posY != toY) {
  pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",16);
 }
}

function jumpToPageTop() {
 if ((IE || N6 || N4 || OP) && window.scrollTo) {
  pageScroll(0,0,6);
 } else {
  location.hash = "top";
 }
}