//OGN
var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
var NN  = navigator.appName.indexOf("Netscape",0) != -1;
var Moz = navigator.userAgent.indexOf("Gecko/",0) != -1;
var Opera = window.opera;
var Vmajor = parseInt(navigator.appVersion); // ex. 3
var Vminor = parseFloat(navigator.appVersion); // ex. 3.01

var MacIE4 = ((Mac && navigator.appVersion.indexOf('MSIE 4.',0) != -1));
var MacIE3 = ((Mac && navigator.appVersion.indexOf('MSIE 3.',0) != -1));


// JavaScript Document
var pageScrollTimer;
var scrollTimer;
function pageScroll(toX,toY,frms,cuX,cuY) { // 020314
 if (!cuX && !cuY) {
    scrollTimer = 0;
 }
 scrollTimer++;
 if (pageScrollTimer) clearTimeout(pageScrollTimer);
 if (!toX || toX < 0) toX = 0;
 if (!toY || toY < 0) toY = 0;

 xy = getScrollXY();

 if (!cuX) cuX = 0 + xy[0];
 if(!cuY) cuY = 0 + xy[1];
// if (!cuX) cuX = 0 + getScrollLeft();
// if (!cuY) cuY = 0 + getScrollTop();
 if (!frms) frms = 6;

//alert([cuX, cuY]);

// if (toY > cuY && toY > (getAnchorPosObj('copyright').y) - getInnerSize().height) {
//      toY = (getAnchorPosObj('copyright').y - getInnerSize().height) + 1;
// }
// cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
// cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
 cuX += (toX - xy[0]) / frms; if (cuX < 0) cuX = 0;
 cuY += (toY - xy[1]) / 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+")",10);
 }
 
 if (toY == posY || scrollTimer>50) {
    clearTimeout(pageScrollTimer);
 }
}

function jumpToPageTop() { // 020301
    // if (!MacIE3 && !MacIE4 && !NN && window.scrollTo || NN && (Vminor >= 4.75) && window.scrollTo) {
  pageScroll(0,0,4);
// } else {
//  location.hash = "top";
// }
}
function getInnerSize() {
 var obj = new Object();
 if (document.documentElement.clientHeight) {
    obj.width = document.documentElement.clientWidth;
    obj.height = document.documentElement.clientHeight;
 } else if (document.body.clientHeight) {
  obj.width = document.body.clientWidth;
  obj.height = document.body.clientHeight;
 } else if (document.layers || (document.getElementById && Moz)) {
  obj.width = window.innerWidth;
  obj.height = window.innerHeight;
 }

 return obj;
}

function getAnchorPosObj(elementid) {
// var obj = setObj(elementname);
 var obj = document.getElementById(elementid);
 var objnew = new Object();
 var objtmp;

 if (document.getElementById && IE) {
  objtmp = obj;
  objnew.x = objtmp.offsetLeft;
  objnew.y = objtmp.offsetTop;
  while ((objtmp = objtmp.offsetParent) != null) {
   objnew.x += objtmp.offsetLeft;
   objnew.y += objtmp.offsetTop;
  }
 } else if (document.getElementById && Moz) {
//  objnew.x = document.getElementsByTagName("A").namedItem(elementname).offsetLeft;
//  objnew.y = document.getElementsByTagName("A").namedItem(elementname).offsetTop;
//  objnew.x = document.getElementsByTagName("DIV").namedItem(elementid).offsetLeft;
//  objnew.y = document.getElementsByTagName("DIV").namedItem(elementid).offsetTop;
  objnew.x = obj.offsetLeft;
  objnew.y = obj.offsetTop;

 } else if (document.all) {
  objtmp = obj;
  objnew.x = objtmp.offsetLeft;
  objnew.y = objtmp.offsetTop;
  while ((objtmp = objtmp.offsetParent) != null) {
   objnew.x += objtmp.offsetLeft;
   objnew.y += objtmp.offsetTop;
  }
 } else if (document.layers) {
  var elementname = elementid;
  objnew.x =document.anchors[elementname].x;
  objnew.y = document.anchors[elementname].y;
 } else {
  objnew.x = 0;
  objnew.y = 0;
 }
 return objnew;
}

function scroll (target) {
  obj = document.getElementById(target);
 if (IE){
  var target_top = obj.offsetTop;
  while ((obj = obj.offsetParent) != null) {
   target_top += obj.offsetTop;
  }
 } else {
    var target_top = obj.offsetTop;
  }
//  var target_top = document.getElementById(target).offsetTop;

  var window_height = typeof(window.innerHeight) == 'number' ? window.innerHeight : (document.documentElement && document.documentElement.clientHeight) ? document.documentElement.clientHeight : (document.body && document.body.clientHeight) ? document.body.clientHeight : 0;

  if (window_height > (document.getElementById('footer').offsetTop+47-target_top)) {
    target_top -= window_height - (document.getElementById('footer').offsetTop+47-target_top);
  }

//  if (IE) {
//    location.hash = target;
//  } else if (!MacIE3 && !MacIE4 && !NN && window.scrollTo || NN && (Vminor >= 4.75) && window.scrollTo) {
if (!MacIE3 && !MacIE4 && !NN && window.scrollTo || NN && (Vminor >= 4.75) && window.scrollTo) {
    pageScroll(0,target_top,5);
  } else {
    location.hash = target;
  }

}

function jumpToAnchor(elementname, elementid) {
 if (getAnchorPosObj(elementname, elementid).x != 0 || getAnchorPosObj(elementname, elementid).y != 0) {
  pageScroll(0,getAnchorPosObj(elementname, elementid).y,5);
 } else {
  location.hash = elementname;
 }
}

//function getScrollLeft() { // 020225
// if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
//  return document.body.scrollLeft;
// } else if (window.pageXOffset) {
//  return window.pageXOffset;
// } else {
//  return 0;
// }
//}
//
//function getScrollTop() { // 020225
// if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
//  return document.body.scrollTop;
// } else if (window.pageYOffset) {
//  return window.pageYOffset;
// } else {
//  return 0;
// }
//}

function getScrollWidth() { // 010317
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollWidth;
 } else if (window.innerWidth) {
  return window.innerWidth;
 }
 return 0;
}

function getScrollHeight() { // 010317
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollHeight;
 } else if (window.innerHeight) {
  return window.innerHeight;
 }
 return 0;
}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
   return [ scrOfX, scrOfY ];
}