/*
* Common JS scripts
*/

function gEBI( objId ){
  return document.getElementById( objId );
}

function createCookie( sName, sValue, iDays ){
  sValue = escape( sValue );
  if( iDays ){
    var oDate = new Date();
    oDate.setTime( oDate.getTime() + ( iDays*24*60*60*1000 ) );
    var sExpires = "; expires="+oDate.toGMTString();
  }
  else
    var sExpires = "";
  document.cookie = sName+"="+sValue+sExpires+"; path=/";
}

function throwCookie( sName ){
  var sNameEQ = sName + "=";
  var aCookies = document.cookie.split( ';' );
  for( var i=0; i < aCookies.length; i++ ){
    var c = aCookies[i];
    while( c.charAt(0) == ' ' )
      c = c.substring( 1, c.length );
    if( c.indexOf( sNameEQ ) == 0 )
      return c.substring( sNameEQ.length, c.length );
  }
  return null;
}

function delCookie( sName ){
  createCookie( sName, "", -1 );
}

function isset( sVar ){
  return( typeof( window[sVar] ) != 'undefined' );
}

_bUa=navigator.userAgent.toLowerCase();
_bOp=(_bUa.indexOf("opera")!=-1?true:false);
_bIe=(_bUa.indexOf("msie")!=-1&&!_bOp?true:false);
_bIe4=(_bIe&&(_bUa.indexOf("msie 2.")!=-1||_bUa.indexOf("msie 3.")!=-1||_bUa.indexOf("msie 4.")!=-1)&&!_bOp?true:false)
isIe=function(){return _bIe;}
isOldIe=function(){return _bIe4;}
var olArray=[];

function AddOnload( f ){
  if( isIe() && isOldIe() ){
    window.onload = ReadOnload;
    olArray[olArray.length] = f;
  }
  else if( window.onload ){
    if( window.onload != ReadOnload ){
      olArray[0] = window.onload;
      window.onload = ReadOnload;
    }
    olArray[olArray.length] = f;
  }
  else
    window.onload=f;
}
function ReadOnload(){
  for( var i=0; i < olArray.length; i++ ){
    olArray[i]();
  }
}

function txtSize( iSize ){
  var aSizes = Array( '1.2em', '', '1.7em' );
  var aChange = Array( 'pageDescription', 'h5' );
  var aSizesDefault = Array( '1.4em', '1.2em' );
  for( var i = 0; i < aChange.length; i++ ){
    if( !aSizes[iSize] )
      iSize = 1;
    if( gEBI( aChange[i] ) ){
      gEBI( aChange[i] ).style.fontSize = ( iSize != 1 ) ? aSizes[iSize] : aSizesDefault[i];
    }
    else if( gEBI( 'content' ).getElementsByTagName( aChange[i] ) ){
      aH5 = gEBI( 'content' ).getElementsByTagName( aChange[i] );
      for( var j = 0; j < aH5.length; j++ ){
        aH5[j].style.fontSize =  ( iSize != 1 ) ? aSizes[iSize] : aSizesDefault[i];
      }
    }
  }
}

/****************************************************************
"bretteleben.de JavaScript Slideshow" - Version 20090406
License: http://www.gnu.org/copyleft/gpl.html
Author: Andreas Berger
Copyright (c) 2009 Andreas Berger - andreas_berger@bretteleben.de
Project page and Demo at http://www.bretteleben.de
Last update: 2009-04-06
*****************************************************************/
//*****parameters to set*****
//into this array insert the paths of your pics.
var def_imges=new Array ('pics/pic01.jpg', 'pics/pic02.jpg', 'pics/pic03.jpg', 'pics/pic04.jpg', 'pics/pic05.jpg');
var def_divid="slideshow"; //the id of the div container that will hold the slideshow
var def_picwid=200; //set this to the width of your widest pic
var def_pichei=200; //... and this to the height of your highest pic
var def_backgr="#eeeeee"; //set this to the background color you want to use for the slide-area
//(for example the body-background-color) if your pics are of different size
var def_sdur=3; //time to show a pic between fades in seconds
var def_fdur=1; //duration of the complete fade in seconds
var def_steps=20; //steps to fade from on pic to the next
var def_startwhen="y"; //start automatically at pageload? set it to "y" for on and to "n" for off
var def_shuffle="y"; //start with random image? set it to "y" for on and to "n" for off
var def_showcontr="y"; //do you want to show controls? set it to "y" for on and to "n" for off
//into this array insert the paths of your control-buttons or the text to display e.g. back,start,stop,fwrd.
var def_contr=new Array ('bwd.png', 'start.png', 'stop.png', 'fwd.png');
//****************************************************************

//daisychain onload-events
function daisychain(sl){if(window.onload) {var ld=window.onload;window.onload=function(){ld();sl();};}else{window.onload=function(){sl();};}}

function be_slideshow(be_slideid,be_imges,be_divid,be_picwid,be_pichei,be_backgr,be_sdur,be_fdur,be_steps,be_startwhen,be_shuffle,be_showcontr,be_contr){

//declarations and defaults
	var slideid=(be_slideid)?be_slideid:"0";
	var imges=(be_imges)?be_imges:def_imges;
	var divid=(be_divid)?be_divid:def_divid;
	var picwid=(be_picwid)?be_picwid:def_picwid;
	var pichei=(be_pichei)?be_pichei:def_pichei;
	var backgr=(be_backgr)?be_backgr:def_backgr;
	var sdur=(be_sdur)?be_sdur:def_sdur;
	var fdur=(be_fdur)?be_fdur:def_fdur;
	var steps=(be_steps)?be_steps:def_steps;
	var startwhen=(be_startwhen)?be_startwhen:def_startwhen;
			startwhen=(startwhen.toLowerCase()=="y")?1:0;
	var shuffle=(be_shuffle)?be_shuffle:def_shuffle;
			shuffle=(shuffle.toLowerCase()=="y")?1:0;
	var showcontr=(be_showcontr)?be_showcontr:def_showcontr;
			showcontr=(showcontr.toLowerCase()=="y")?1:0;
	var contr=(be_contr)?be_contr:def_contr;
	var ftim=fdur*1000/steps;
	var stim=sdur*1000;
	var emax=imges.length;
	var self = this;
	var stopit=1;
	var startim=1;
	var u=0;
	var parr = new Array();
	var ptofade,pnext,factor,mytimeout;
//check if there are at least 3 pictures, elswhere double the array
	if(imges.length<=2){imges=imges.concat(imges);}
//shuffle images if set
  if(shuffle){var i;for(i=0;i<=Math.floor(Math.random()*imges.length);i++){imges.push(imges.shift());}}
  
//push images into array and get things going
	this.b_myfade = function(){
		var a,idakt,paktidakt,ie5exep;
		for(a=1;a<=emax;a++){
			idakt="img_"+slideid+"_"+a;paktidakt=document.getElementById(idakt);
    	ie5exep=new Array(paktidakt);parr=parr.concat(ie5exep);
    }
		if(startwhen){
			stopit=0;
 			mytimeout=setTimeout(function(){self.b_slide();},stim);
 		}
	}

//prepare current and next and trigger slide
	this.b_slide = function(){
		clearTimeout(mytimeout);
		u=0;
		ptofade=parr[startim-1];
		if(startim<emax){pnext=parr[startim];}
		else{pnext=parr[0];}
		pnext.style.zIndex=1;
		pnext.style.visibility="visible";
		pnext.style.filter="Alpha(Opacity=100)";
		pnext.style.MozOpacity=1;
		pnext.style.opacity=1;
		ptofade.style.zIndex=2;
		ptofade.style.visibility="visible";
		ptofade.style.filter="Alpha(Opacity=100)";
		ptofade.style.MozOpacity=1;
		ptofade.style.opacity=1;
		factor=100/steps;
		if(stopit=="0"){
			this.b_slidenow();
		}
	}

//one step forward
	this.b_forw = function(){
		stopit=1;
		clearTimeout(mytimeout);
		ptofade=parr[startim-1];
		if(startim<emax){pnext=parr[startim];startim=startim+1;}
		else{pnext=parr[0];startim=1;}
		ptofade.style.visibility="hidden";
		ptofade.style.zIndex=1;
		pnext.style.visibility="visible";
		pnext.style.zIndex=2;
		self.b_slide();
	}

//one step back
	this.b_back = function(){
		stopit=1;
		clearTimeout(mytimeout);
		if(u==0){ //between two slides
			ptofade=parr[startim-1];
			if(startim<emax){pnext=parr[startim];}
			else{pnext=parr[0];}
			pnext.style.visibility="hidden";
			ptofade.style.zIndex=1;
			ptofade.style.visibility="visible";
			if(startim>=2){startim=startim-1;}
			else{startim=emax;}
			self.b_slide();
		}
		else{ //whilst sliding
			self.b_slide();
		}
	}

//slide as said, then give back
	this.b_slidenow = function(){
		var check1,maxalpha,curralpha;
		check1=ptofade.style.MozOpacity;
		maxalpha=(100-factor*u)/100*105;
		if(check1<=maxalpha/100){u=u+1;}
		curralpha=100-factor*u;
		ptofade.style.filter="Alpha(Opacity="+curralpha+")";
		ptofade.style.MozOpacity=curralpha/100;
		ptofade.style.opacity=curralpha/100;
		if(u<steps){ //slide not finished
			if(stopit=="0"){mytimeout=setTimeout(function(){self.b_slidenow();},ftim);}
			else {this.b_slide();}
		}
		else{ //slide finished
			if(startim<emax){
				ptofade.style.visibility="hidden";
				ptofade.style.zIndex=1;
				pnext.style.zIndex=2;
				startim=startim+1;u=0;
				mytimeout=setTimeout(function(){self.b_slide();},stim);
			}
			else{
				ptofade.style.visibility="hidden";
				ptofade.style.zIndex=1;
				pnext.style.zIndex=2;
				startim=1;u=0;
				mytimeout=setTimeout(function(){self.b_slide();},stim);
			}
		}
	}

//manual start
	this.b_start= function(){
		if(stopit==1){
 			stopit=0;
 			mytimeout=setTimeout(function(){self.b_slide();},stim);
 		}
	}

//manual stop
	this.b_stop= function(){
		clearTimeout(mytimeout);
		stopit=1;
		this.b_slide();
	}

//insert css and images
	this.b_insert= function(){
		var b, thestylid, thez, thevis, slidehei;
		slidehei=(showcontr)?(pichei+25):(pichei); //add space for the controls
		var myhtml="<div style='width:"+picwid+"px;height:"+slidehei+"px;'>";
   			myhtml+="<div style='position:absolute;width:"+picwid+"px;height:"+pichei+"px;'>";
		for(b=1;b<=emax;b++){
			thez=1;thevis='hidden';
			if(b<=1) {thez=2; thevis='visible';}
			  myhtml+="<div id='img_"+slideid+"_"+b+"' style='font-size:0;line-height:"+pichei+"px;margin:0;padding:0;text-align:center;visibility:"+thevis+";z-index:"+thez+";position:absolute;left:0;top:0;width:"+picwid+"px;height:"+pichei+"px;background-color:"+backgr+";'>";
				myhtml+="<img src='"+imges[(b-1)]+"' style='vertical-align:middle;border:0;' alt=''/></div>";
		}
   			myhtml+="</div>";
//show controls
		if(showcontr){
				for(b=1;b<=4;b++){
					var check=contr[b-1].substring(contr[b-1].length-3).toLowerCase(); //check for buttons
					contr[b-1]=(check=="jpg"||check=="gif"||check=="png")?("<img src='"+contr[b-1]+"' style='border:none;' alt=''/>"):(contr[b-1]);
				}
   			myhtml+="<div style='display:block;width:"+picwid+"px;padding-top:"+(pichei+3)+"px;text-align:right;'>";
   			myhtml+="<a href='javascript:be_"+slideid+".b_back();' style='text-decoration:none'>"+contr[0]+"</a>&nbsp;";
   			myhtml+="<a href='javascript:be_"+slideid+".b_start();' style='text-decoration:none'>"+contr[1]+"</a>&nbsp;";
   			myhtml+="<a href='javascript:be_"+slideid+".b_stop();' style='text-decoration:none'>"+contr[2]+"</a>&nbsp;";
   			myhtml+="<a href='javascript:be_"+slideid+".b_forw();' style='text-decoration:none'>"+contr[3]+"</a>";
		}
   			myhtml+="</div>";
		document.getElementById(divid).innerHTML=myhtml;
		self.b_myfade();
	}

//call autostart-function
daisychain(this.b_insert);
	
}


 
var pics2=new Array ('img/header.jpg', 'img/header1.jpg', 'img/header2.jpg', 'img/header3.jpg', 'img/header4.jpg', 'img/header5.jpg', 'img/header6.jpg', 'img/header7.jpg', 'img/header8.jpg', 'img/header9.jpg');
    //In this array, set the pictures you want the 2. slideshow to display.
    //Again, uploaded to a subdirectory "pics" in this sample
 
var be_1= new be_slideshow("1",pics2,"slideshow2",750,220,"#323637",4,1,15,"y","n","n");
    //This line calls the second slideshow.
    //You find an extended description in sample 02
 
    //The second slideshow does´nt make use of control-elements, therefor there
    //is no array for them. If we would want to show them, we could reuse the
    //buttons we set for the first slideshow by setting buttons1 as the value
    //of the 13. parameter.
 
    //New in this call are the name be_1 and the value of the first parameter "1".
    //We use them in ascending order. A third slideshow on this page would be
    //called with the variable be_2 and assign "2" to the first parameter. . . and so on.
 
