// fishfarm: Dynamic Layer Object $Id: dynlayer.js,v 1.8 2009/06/15 12:30:38 fisch Exp $

// This Object is based on the Dynapi 1 Dynamic Layer Object, Copyright (C) 1999 Dan Steinman,
// (http://www.dansteinman.com/dynapi/), which is subject to the terms of the LGPL.
// This Object is modified and used only for compatibility purposes.
// It is outdated and supported in no way! If You need a DHTML-API for
// your projects, please use the Dynapi 2 (http://sourceforge.net/projects/dynapi/)!

// All modifactions and enhancements to the original: Copyright (C) 2000-2009 fishfarm,
// Thomas Hering & Lars Michalowski GbR, http://www.fishfarm.de/. All rights reserved.

function DynLayer(id,nestref,frame) {
  if (!DynLayer.set && !frame && !is.op) DynLayerInit()
  this.frame = frame || self;
  if (is.ns4) {
    if (!frame) {
      if (!nestref) var nestref = DynLayer.nestRefArray[id];
      if (!DynLayerTest(id,nestref)) return;
      this.css = (nestref)? eval("document."+nestref+".document."+id) : document.layers[id];
    }
    else this.css = (nestref)? eval("frame.document."+nestref+".document."+id) : frame.document.layers[id];
    this.elm = this.event = this.css;
    this.doc = this.css.document;
    this.x = this.css.left;
    this.y = this.css.top;
    this.w = this.css.clip.width;
    this.h = this.css.clip.height;
  }
  else if (is.ie4) {
    this.elm = this.event = this.frame.document.all[id];
    this.css = this.frame.document.all[id].style;
    this.doc = document;
    this.x = this.elm.offsetLeft;
    this.y = this.elm.offsetTop;
    this.w = this.css.pixelWidth;
    this.h = this.css.pixelHeight;
  }
  else {
    this.doc = document;
    this.elm = this.event = document.getElementById(id);
    this.css = this.elm.style;
    this.x = (this.css.left)? parseInt(this.css.left):"";
    this.y = (this.css.top)? parseInt(this.css.top):"";
    this.w = (this.css.width)? parseInt(this.css.width):"";
    this.h = (this.css.height)? parseInt(this.css.height):"";
  }
  this.id = id;
  this.nestref = nestref;
  this.obj = id + "DynLayer";
  eval(this.obj + "=this");
}
function DynLayerMoveTo(x,y) {
  if (x!=null) {
    this.x = x;
    if (is.ie4) this.css.pixelLeft = this.x;
    else this.css.left = this.x+'px';
  }
  if (y!=null) {
    this.y = y;
    if (is.ie4) this.css.pixelTop = this.y;
    else this.css.top = this.y+'px';
  }
}
function DynLayerMoveBy(x,y) {
  this.moveTo(this.x+x,this.y+y);
}
function DynLayerShow() {
  this.css.visibility = (is.ns4)? "show" : "visible";
}
function DynLayerHide() {
  this.css.visibility = (is.ns4)? "hide" : "hidden";
}
function DynLayerSetbg(color) {
  if (is.ns4) this.doc.bgColor = color
  else this.css.backgroundColor = color
}
DynLayer.prototype.moveTo = DynLayerMoveTo;
DynLayer.prototype.moveBy = DynLayerMoveBy;
DynLayer.prototype.show = DynLayerShow;
DynLayer.prototype.hide = DynLayerHide;
DynLayer.prototype.setbg = DynLayerSetbg;
DynLayerTest = new Function('return true');

// DynLayerInit Function
function DynLayerInit(nestref) {
  if (!DynLayer.set) DynLayer.set = true;
  if (is.ns4) {
    if (nestref) ref = eval('document.'+nestref+'.document');
    else { nestref = ''; ref = document; }
    for (var i=0; i<ref.layers.length; i++) {
      var divname = ref.layers[i].name;
      DynLayer.nestRefArray[divname] = nestref;
      var index = divname.indexOf("Div");
      if (index > 0) {
        eval(divname.substr(0,index)+' = new DynLayer("'+divname+'","'+nestref+'")');
      }
      if (ref.layers[i].document.layers.length > 0) {
        DynLayer.refArray[DynLayer.refArray.length] = (nestref=='')? ref.layers[i].name : nestref+'.document.'+ref.layers[i].name;
      }
    }
    if (DynLayer.refArray.i < DynLayer.refArray.length) {
      DynLayerInit(DynLayer.refArray[DynLayer.refArray.i++]);
    }
  }
  else if (is.ie4) {
    for (var i=0; i<document.all.tags("div").length; i++) {
      var divname = document.all.tags("div")[i].id;
      var index = divname.indexOf("Div");
      if (index > 0) {
        eval(divname.substr(0,index)+' = new DynLayer("'+divname+'")');
      }
    }
  }
  else {
    for (var i=0; i<document.getElementsByTagName("div").length; i++) {
      var divname = document.getElementsByTagName("div")[i].id;
      var index = divname.indexOf("Div");
      if (index > 0) {
        eval(divname.substr(0,index)+' = new DynLayer("'+divname+'")');
      }
    }
  }
  return true;
}
DynLayer.nestRefArray = new Array();
DynLayer.refArray = new Array();
DynLayer.refArray.i = 0;
DynLayer.set = false;

// Slide Methods
function DynLayerSlideTo(endx,endy,inc,speed,fn) {
  if (this.x=="") this.x = 0;  //quick hack: Mozilla and IE don't like empty values here
  if (this.y=="") this.y = 0;  //quick hack: Mozilla and IE don't like empty values here
  if (endx==null) endx = this.x;
  if (endy==null) endy = this.y;
  var distx = endx-this.x;
  var disty = endy-this.y;
  this.slideStart(endx,endy,distx,disty,inc,speed,fn);
}
function DynLayerSlideBy(distx,disty,inc,speed,fn) {
  var endx = this.x + distx;
  var endy = this.y + disty;
  this.slideStart(endx,endy,distx,disty,inc,speed,fn);
}
function DynLayerSlideStart(endx,endy,distx,disty,inc,speed,fn) {
  if (this.slideActive) return;
  if (!inc) inc = 10;
  if (!speed) speed = 20;
  var num = Math.sqrt(Math.pow(distx,2) + Math.pow(disty,2))/inc;
  if (num==0) {
    this.slideEndIsReached=true;
    return;
  }
  var dx = distx/num;
  var dy = disty/num;
  if (!fn) fn = null;
  this.slideActive = true;
  this.slide(dx,dy,endx,endy,num,1,speed,fn);
}
function DynLayerSlide(dx,dy,endx,endy,num,i,speed,fn) {
  if (!this.slideActive) return;
  if (i++ < num) {
    this.moveBy(dx,dy);
    this.onSlide();
    if (this.slideActive) setTimeout(this.obj+".slide("+dx+","+dy+","+endx+","+endy+","+num+","+i+","+speed+",\""+fn+"\")",speed);
    else this.onSlideEnd();
  }
  else {
    this.slideActive = false;
    this.moveTo(endx,endy);
    this.onSlide();
    this.onSlideEnd();
    eval(fn);
  }
}
function DynLayerSlideInit() {}
DynLayer.prototype.slideInit = DynLayerSlideInit;
DynLayer.prototype.slideTo = DynLayerSlideTo;
DynLayer.prototype.slideBy = DynLayerSlideBy;
DynLayer.prototype.slideStart = DynLayerSlideStart;
DynLayer.prototype.slide = DynLayerSlide;
DynLayer.prototype.onSlide = new Function();
DynLayer.prototype.onSlideEnd = new Function();

// Clip Methods
function DynLayerClipInit(clipTop,clipRight,clipBottom,clipLeft) {
  if (is.ie) {
    if (arguments.length==4) this.clipTo(clipTop,clipRight,clipBottom,clipLeft);
    else if (is.ie4) this.clipTo(0,this.css.pixelWidth,this.css.pixelHeight,0);
  }
}
function DynLayerClipTo(t,r,b,l) {
  if (t==null) t = this.clipValues('t');
  if (r==null) r = this.clipValues('r');
  if (b==null) b = this.clipValues('b');
  if (l==null) l = this.clipValues('l');
  if (is.ns4) {
    this.css.clip.top = t;
    this.css.clip.right = r;
    this.css.clip.bottom = b;
    this.css.clip.left = l;
  }
  else this.css.clip = "rect("+t+"px "+r+"px "+b+"px "+l+"px)";
}
function DynLayerClipBy(t,r,b,l) {
  this.clipTo(this.clipValues('t')+t,this.clipValues('r')+r,this.clipValues('b')+b,this.clipValues('l')+l);
}
function DynLayerClipValues(which) {
  if (is.ie) var clipv = this.css.clip.split("rect(")[1].split(")")[0].split("px");
  if (which=="t") return (is.ns)? this.css.clip.top : Number(clipv[0]);
  if (which=="r") return (is.ns)? this.css.clip.right : Number(clipv[1]);
  if (which=="b") return (is.ns)? this.css.clip.bottom : Number(clipv[2]);
  if (which=="l") return (is.ns)? this.css.clip.left : Number(clipv[3]);
}
DynLayer.prototype.clipInit = DynLayerClipInit;
DynLayer.prototype.clipTo = DynLayerClipTo;
DynLayer.prototype.clipBy = DynLayerClipBy;
DynLayer.prototype.clipValues = DynLayerClipValues;

// Write Method
function DynLayerWrite(html) {
  if (is.ns4) {
    this.doc.open();
    this.doc.write(html);
    this.doc.close();
  }
  else {
    this.event.innerHTML = html;
  }
}
DynLayer.prototype.write = DynLayerWrite

// BrowserCheck Object
function BrowserCheck() {
  var b=navigator.appName;
  this.a=this.agent=navigator.userAgent;
  this.version=navigator.appVersion;
  this.v=parseInt(this.version);
  this.vAll=parseFloat(this.version);
  this.p=this.platform=navigator.platform;

  //Platform
  this.win=(this.p.indexOf("Win")>-1);
  this.mac=(this.p.indexOf("Mac")>-1);
  this.linux=(this.p.indexOf("X11")>-1 || this.p.indexOf("Linux")>-1);

  //Browser Name
  if (b.indexOf("Netscape")>-1) b="Netscape";
  if (this.a.indexOf("Safari")>-1) b="Safari";
  if (this.a.indexOf("Opera")>-1) b="Opera";
  switch(b) {
    case "Netscape":
      this.b="ns";
      break;
    case "Microsoft Internet Explorer":
      this.b="ie";
      break;
    case "Opera":
      this.b="op";
      break;
    case "Konqueror":
      this.b="ko";
      break;
    case "Safari":
      this.b="sa";
      break;
    default:
      this.b=b;
      break;
  }

  //Browser Version
  this.ns=(this.b=="ns" && this.v>=4);
  this.ns4=(this.b=="ns" && this.v==4);
  this.ns5=this.ns6=(this.b=="ns" && this.v==5);
  this.nsMin=(this.b=="ns" && this.vAll>=4.04)
  this.ie=(this.b=="ie" && this.v>=4);
  this.ie4=(this.b=="ie" && this.version.indexOf("MSIE 4")>-1);
  this.ie45=(this.b=="ie" && this.version.indexOf("MSIE 4.5")>-1);
  this.ie5=(this.b=="ie" && this.version.indexOf("MSIE 5")>-1);
  this.ie55=(this.b=="ie" && this.version.indexOf("MSIE 5.5")>-1);
  this.ie6=(this.b=="ie" && this.version.indexOf("MSIE 6")>-1);
  this.ie7=(this.b=="ie" && this.version.indexOf("MSIE 7")>-1);
  this.ie8=(this.b=="ie" && this.version.indexOf("MSIE 8")>-1);
  this.ie55up=((this.mac&&this.ie5) || this.ie55 || this.ie6 || this.ie7 || this.ie8);
  this.ie6down=(this.ie4 || this.ie45 || this.ie5 || (this.mac&&this.ie5) || this.ie55 || this.ie6);
  this.ie7up=(this.ie7 || this.ie8);
  this.op=(this.b=="op");
  this.ko=(this.b=="ko");
  this.sa=(this.b=="sa");
  this.min=(this.ns||this.ie||this.op||this.ko||this.sa);

  //Language
  this.lang=((this.ie)?navigator.browserLanguage:navigator.language).substring(0,2);
}
is = new BrowserCheck();

// CSS Function
function css(id,left,top,width,height,color,vis,z,other) {
  if (id=="START") return '\n<style type="text/css">\n';
  else if (id=="END") return '</style>';
  var str = (left!=null && top!=null)? '#'+id+' {position:absolute; left:'+left+'px; top:'+top+'px;' : '#'+id+' {position:relative;';
  if (arguments.length>=4 && width!=null) str += ' width:'+width+'px;';
  if (arguments.length>=5 && height!=null) {
    str += ' height:'+height+'px;';
    if (arguments.length<9 || other.indexOf('clip')==-1) str += ' clip:rect(0px '+width+'px '+height+'px 0px);';
  }
  if (arguments.length>=6 && color!=null) str += (is.ns4)? ' layer-background-color:'+color+';' : ' background-color:'+color+';';
  if (arguments.length>=7 && vis!=null) str += ' visibility:'+vis+';';
  if (arguments.length>=8 && z!=null) str += ' z-index:'+z+';';
  if (arguments.length==9 && other!=null) str += ' '+other;
  str += '}\n';
  return str;
}
function writeCSS(str,showAlert) {
  str = css('START')+str+css('END');
  document.write(str);
  if (showAlert) alert(str);
}
function setCSS() {  //parses stylesheets and sets style properties
  for (var sheet=0;sheet<document.getElementsByTagName("style").length;sheet++) {
    inp = document.getElementsByTagName("style").item(sheet).innerHTML;
    hyphre = /[a-z]-[a-z]/ //hyph=Bindestrich, re=RegExp, prop=Property
    propre = /([a-z]+)-([a-z])([a-z]*)/
    idre = /^#(\w+)\{/
    fieldre = /^#\w+\{([^}]+)/

    inp = inp.replace(/\s+/g,"");
    inp = inp.replace(/\}/g,"}\n");
    style = inp.split(/\n/);

    c = (is.ie5)? 0:1;
    for (var i=0;i<style.length-c;i++) {
      styleLine = style[i];
      if (styleLine.substr(0,1) == "#") {
        id = styleLine.match(idre)[1];
        styleFields = styleLine.match(fieldre)[1].split(/;/);
        for (var j=0;j<styleFields.length-c;j++) {
          styleField = styleFields[j].split(/:/);
          if (styleField[0].indexOf("-") == styleField[0].lastIndexOf("-")) {
            if (hyphre.test(styleField[0])) {
              propparts = propre.exec(styleField[0]);
              prop = propparts[1]+propparts[2].toUpperCase()+propparts[3];
            }
            else {
              prop = styleField[0];
            }
            val = styleField[1];
            eval('document.getElementById("'+id+'").style.'+prop+'="'+val+'"');
          }
        }
      }
    }
  }
}

// Netscape 4.xx ResizeBug Fix
if (is.ns4) {
 widthCheck=window.innerWidth;
 heightCheck=window.innerHeight;
 window.onResize=resizeFix;
}
function resizeFix() {
 if ((widthCheck != window.innerWidth) || (heightCheck != window.innerHeight)) {
  document.location.href=document.location.href;
 }
}