// x_core.js, X v3.15.2, Cross-Browser.com DHTML Library

// Copyright (c) 2004 Michael Foster, Licensed LGPL (gnu.org)



// global vars still duplicated in xlib.js - I still don't know what I'm going to do about this

var xVersion='3.15.2',xNN4,xOp7,xOp5or6,xIE4Up,xIE4,xIE5,xMac,xUA=navigator.userAgent.toLowerCase();

if (window.opera){

  xOp7=(xUA.indexOf('opera 7')!=-1 || xUA.indexOf('opera/7')!=-1);

  if (!xOp7) xOp5or6=(xUA.indexOf('opera 5')!=-1 || xUA.indexOf('opera/5')!=-1 || xUA.indexOf('opera 6')!=-1 || xUA.indexOf('opera/6')!=-1);

}

else if (document.all && xUA.indexOf('msie')!=-1) {

  xIE4Up=parseInt(navigator.appVersion)>=4;

  xIE4=xUA.indexOf('msie 4')!=-1;

  xIE5=xUA.indexOf('msie 5')!=-1;

}

else if (document.layers) {xNN4=true;}

xMac=xUA.indexOf('mac')!=-1;



function xGetElementById(e) {

  if(typeof(e)!='string') return e;

  if(document.getElementById) e=document.getElementById(e);

  else if(document.all) e=document.all[e];

  else e=null;

  return e;

}

function xParent(e,bNode){

  if (!(e=xGetElementById(e))) return null;

  var p=null;

  if (!bNode && xDef(e.offsetParent)) p=e.offsetParent;

  else if (xDef(e.parentNode)) p=e.parentNode;

  else if (xDef(e.parentElement)) p=e.parentElement;

  return p;

}

function xDef() {

  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}

  return true;

}

function xStr(s) {

  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])!='string') return false;}

  return true;

}

function xNum(n) {

  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])!='number') return false;}

  return true;

}

function xShow(e) {

  if(!(e=xGetElementById(e))) return;

  if(e.style && xDef(e.style.visibility)) e.style.visibility='visible';

}

function xHide(e) {

  if(!(e=xGetElementById(e))) return;

  if(e.style && xDef(e.style.visibility)) e.style.visibility='hidden';

}

function xZIndex(e,uZ) {

  if(!(e=xGetElementById(e))) return 0;

  if(e.style && xDef(e.style.zIndex)) {

    if(xNum(uZ)) e.style.zIndex=uZ;

    uZ=parseInt(e.style.zIndex);

  }

  return uZ;

}

function xColor(e,sColor) {

  if(!(e=xGetElementById(e))) return '';

  var c='';

  if(e.style && xDef(e.style.color)) {

    if(xStr(sColor)) e.style.color=sColor;

    c=e.style.color;

  }

  return c;

}

function xBackground(e,sColor,sImage) {

  if(!(e=xGetElementById(e))) return '';

  var bg='';

  if(e.style) {

    if(xStr(sColor)) {

      if(!xOp5or6) e.style.backgroundColor=sColor;

      else e.style.background=sColor;

    }

    if(xStr(sImage)) e.style.backgroundImage=(sImage!='')? 'url('+sImage+')' : null;

    if(!xOp5or6) bg=e.style.backgroundColor;

    else bg=e.style.background;

  }

  return bg;

}

function xMoveTo(e,iX,iY) {

  xLeft(e,iX);

  xTop(e,iY);

}

function xLeft(e,iX) {

  if(!(e=xGetElementById(e))) return 0;

  var css=xDef(e.style);

  if (css && xStr(e.style.left)) {

    if(xNum(iX)) e.style.left=iX+'px';

    else {

      iX=parseInt(e.style.left);

      if(isNaN(iX)) iX=0;

    }

  }

  else if(css && xDef(e.style.pixelLeft)) {

    if(xNum(iX)) e.style.pixelLeft=iX;

    else iX=e.style.pixelLeft;

  }

  return iX;

}

function xTop(e,iY) {

  if(!(e=xGetElementById(e))) return 0;

  var css=xDef(e.style);

  if(css && xStr(e.style.top)) {

    if(xNum(iY)) e.style.top=iY+'px';

    else {

      iY=parseInt(e.style.top);

      if(isNaN(iY)) iY=0;

    }

  }

  else if(css && xDef(e.style.pixelTop)) {

    if(xNum(iY)) e.style.pixelTop=iY;

    else iY=e.style.pixelTop;

  }

  return iY;

}

function xPageX(e) {

  if (!(e=xGetElementById(e))) return 0;

  var x = 0;

  while (e) {

    if (xDef(e.offsetLeft)) x += e.offsetLeft;

    e = xDef(e.offsetParent) ? e.offsetParent : null;

  }

  return x;

}

function xPageY(e) {

  if (!(e=xGetElementById(e))) return 0;

  var y = 0;

  while (e) {

    if (xDef(e.offsetTop)) y += e.offsetTop;

    e = xDef(e.offsetParent) ? e.offsetParent : null;

  }

//  if (xOp7) return y - document.body.offsetTop; // v3.14, temporary hack for opera bug 130324

  return y;

}

function xOffsetLeft(e) {

  if (!(e=xGetElementById(e))) return 0;

  if (xDef(e.offsetLeft)) return e.offsetLeft;

  else return 0;

}

function xOffsetTop(e) {

  if (!(e=xGetElementById(e))) return 0;

  if (xDef(e.offsetTop)) return e.offsetTop;

  else return 0;

}

function xScrollLeft(e) {

  var offset=0;

  if (!(e=xGetElementById(e))) {

    if(document.documentElement && document.documentElement.scrollLeft) offset=document.documentElement.scrollLeft;

    else if(document.body && xDef(document.body.scrollLeft)) offset=document.body.scrollLeft;

  }

  else { if (xNum(e.scrollLeft)) offset = e.scrollLeft; }

  return offset;

}

function xScrollTop(e) {

  var offset=0;

  if (!(e=xGetElementById(e))) {

    if(document.documentElement && document.documentElement.scrollTop) offset=document.documentElement.scrollTop;

    else if(document.body && xDef(document.body.scrollTop)) offset=document.body.scrollTop;

  }

  else { if (xNum(e.scrollTop)) offset = e.scrollTop; }

  return offset;

}

function xHasPoint(ele, iLeft, iTop, iClpT, iClpR, iClpB, iClpL) {

  if (!xNum(iClpT)){iClpT=iClpR=iClpB=iClpL=0;}

  else if (!xNum(iClpR)){iClpR=iClpB=iClpL=iClpT;}

  else if (!xNum(iClpB)){iClpL=iClpR; iClpB=iClpT;}

  var thisX = xPageX(ele), thisY = xPageY(ele);

  return (iLeft >= thisX + iClpL && iLeft <= thisX + xWidth(ele) - iClpR &&

          iTop >=thisY + iClpT && iTop <= thisY + xHeight(ele) - iClpB );

}

function xResizeTo(e,uW,uH) {

  xWidth(e,uW);

  xHeight(e,uH);

}

function xWidth(e,uW) {

  if(!(e=xGetElementById(e))) return 0;

  if (xNum(uW)) {

    if (uW<0) uW = 0;

    else uW=Math.round(uW);

  }

  else uW=-1;

  var css=xDef(e.style);

  if(css && xDef(e.offsetWidth) && xStr(e.style.width)) {

    if(uW>=0) xSetCW(e, uW);

    uW=e.offsetWidth;

  }

  else if(css && xDef(e.style.pixelWidth)) {

    if(uW>=0) e.style.pixelWidth=uW;

    uW=e.style.pixelWidth;

  }

  return uW;

}

function xHeight(e,uH) {

  if(!(e=xGetElementById(e))) return 0;

  if (xNum(uH)) {

    if (uH<0) uH = 0;

    else uH=Math.round(uH);

  }

  else uH=-1;

  var css=xDef(e.style);

  if(css && xDef(e.offsetHeight) && xStr(e.style.height)) {

    if(uH>=0) xSetCH(e, uH);

    uH=e.offsetHeight;

  }

  else if(css && xDef(e.style.pixelHeight)) {

    if(uH>=0) e.style.pixelHeight=uH;

    uH=e.style.pixelHeight;

  }

  return uH;

}

function xGetCS(ele,sP){return parseInt(document.defaultView.getComputedStyle(ele,'').getPropertyValue(sP));}

function xSetCW(ele,uW){

  var pl=0,pr=0,bl=0,br=0;

  if(xDef(document.defaultView) && xDef(document.defaultView.getComputedStyle)){

    pl=xGetCS(ele,'padding-left');

    pr=xGetCS(ele,'padding-right');

    bl=xGetCS(ele,'border-left-width');

    br=xGetCS(ele,'border-right-width');

  }

  else if(xDef(ele.currentStyle,document.compatMode)){

    if(document.compatMode=='CSS1Compat'){

      pl=parseInt(ele.currentStyle.paddingLeft);

      pr=parseInt(ele.currentStyle.paddingRight);

      bl=parseInt(ele.currentStyle.borderLeftWidth);

      br=parseInt(ele.currentStyle.borderRightWidth);

    }

  }

  else if(xDef(ele.offsetWidth,ele.style.width)){ // ?

    ele.style.width=uW+'px';

    pl=ele.offsetWidth-uW;

  }

  if(isNaN(pl)) pl=0; if(isNaN(pr)) pr=0; if(isNaN(bl)) bl=0; if(isNaN(br)) br=0;

  var cssW=uW-(pl+pr+bl+br);

  if(isNaN(cssW)||cssW<0) return;

  else ele.style.width=cssW+'px';

}

function xSetCH(ele,uH){

  var pt=0,pb=0,bt=0,bb=0;

  if(xDef(document.defaultView) && xDef(document.defaultView.getComputedStyle)){

    pt=xGetCS(ele,'padding-top');

    pb=xGetCS(ele,'padding-bottom');

    bt=xGetCS(ele,'border-top-width');

    bb=xGetCS(ele,'border-bottom-width');

  }

  else if(xDef(ele.currentStyle,document.compatMode)){

    if(document.compatMode=='CSS1Compat'){

      pt=parseInt(ele.currentStyle.paddingTop);

      pb=parseInt(ele.currentStyle.paddingBottom);

      bt=parseInt(ele.currentStyle.borderTopWidth);

      bb=parseInt(ele.currentStyle.borderBottomWidth);

    }

  }

  else if(xDef(ele.offsetHeight,ele.style.height)){ // ?

    ele.style.height=uH+'px';

    pt=ele.offsetHeight-uH;

  }

  if(isNaN(pt)) pt=0; if(isNaN(pb)) pb=0; if(isNaN(bt)) bt=0; if(isNaN(bb)) bb=0;

  var cssH=uH-(pt+pb+bt+bb);

  if(isNaN(cssH)||cssH<0) return;

  else ele.style.height=cssH+'px';

}

function xClip(e,iTop,iRight,iBottom,iLeft) {

  if(!(e=xGetElementById(e))) return;

  if(e.style) {

    if (xNum(iLeft)) e.style.clip='rect('+iTop+'px '+iRight+'px '+iBottom+'px '+iLeft+'px)';

    else e.style.clip='rect(0 '+parseInt(e.style.width)+'px '+parseInt(e.style.height)+'px 0)';

  }

}

function xClientWidth() {

  var w=0;

  if(xOp5or6) w=window.innerWidth;

  else if(!window.opera && document.documentElement && document.documentElement.clientWidth)

    w=document.documentElement.clientWidth;

  else if(document.body && document.body.clientWidth)

    w=document.body.clientWidth;

  else if(xDef(window.innerWidth,window.innerHeight,document.height)) {

    w=window.innerWidth;

    if(document.height>window.innerHeight) w-=16;

  }

  return w;

}

function xClientHeight() {

  var h=0;

  if(xOp5or6) h=window.innerHeight;

  else if(!window.opera && document.documentElement && document.documentElement.clientHeight)

    h=document.documentElement.clientHeight;

  else if(document.body && document.body.clientHeight)

    h=document.body.clientHeight;

  else if(xDef(window.innerWidth,window.innerHeight,document.width)) {

    h=window.innerHeight;

    if(document.width>window.innerWidth) h-=16;

  }

  return h;

}

function xInnerHtml(e, sHtml) {

  if(!(e=xGetElementById(e))) return '';

  if (xStr(e.innerHTML)) {

    if (xStr(sHtml)) e.innerHTML = sHtml;

    else return e.innerHTML;

  }

}