// scyImg v0.0.1 - copyright 2006 Stefan Schmohl, scido.de 

var scyImgLstN ; 

function scyImgLstSetF( aN ) {
    var nS = "scyImgLst=" ; var nN = nS.length ;    // cookie variable name
    dO = new Date( ) ; var dN = dO.getTime( ) + ( 60 * 60 * 1000 ) ; dO.setTime( dN ) ; 
    var cG = ";expires=" + dO.toGMTString( ) + ";" ; 
    document.cookie = nS + aN + cG ; // alert( "SET " + document.cookie ) ; 
    return ; } ; 

function scyImgLstGetF( ) {
    var nS = "scyImgLst=" ; var nN = nS.length ;    // cookie variable name
    // alert( "GET " + document.cookie ) ; 
    var vN = document.cookie.indexOf( nS ) + nN ;    // position of begin of value
    if ( vN < nN ) { // alert( "undefined" ) ; 
        return 0 ; } ; 
    var vS = document.cookie.substr( vN ) ;    // substring starting with value
    vN = vS.indexOf( ";" ) ;    // position of end of value = length of value
    if ( vN != -1 ) { vS = vS.substr( 0, vN ) ; } ;    // substring with value
    vN = vS - 0 ; // alert ( vN ) ; 
    return vN ; } ; 

function scyImgPldF( aN ) { 
    if ( ( aN < 1 ) || ( aN >= scyImgBigSA.length ) ) return ; 
    scyImgPldA[ aN ] = new Image ; scyImgPldA[ aN ].src = scyImgBigSA[ aN ] ; 
    return ; } ; 

function scyImgSetF( aN ) { 
    if ( aN < 1 ) { scyImgLstSetF( 1 ) ; location.href = scyImgUrlPrvS ; return ; } ; 
    if ( aN >= scyImgBigSA.length ) { location.href = scyImgUrlNxtS ; return ; } ; 
    var biO = document.getElementById( "i0" ) ;    biO.src = scyImgBigSA[ aN ] ; 
    var piO = document.getElementById( "i" + scyImgCurN ) ;    piO.src = scyImgSmlSA[ scyImgCurN ] ; 
    var tiO = document.getElementById( "i" + aN ) ;    tiO.src = scyImgCurS ; 
    scyImgCurN = aN ; 
    return ; } ; 

function scyImgFstF( ) { 
    if ( scyImgLstGetF( ) == 1 ) { scyImgLstSetF( 0 ) ; 
        scyImgSetF( scyImgBigSA.length - 1 ) ; scyImgPldF( scyImgCurN - 1 ) ; }
     else { scyImgSetF( 1 ) ; scyImgPldF( 2 ) ; }
    return ; } ;