IE  = (document.all);
NS6 = (navigator.userAgent.indexOf('Gecko') != -1);

var gPrevPos=0;
var gGal=false;

 function gO(pObj)
  {if(IE)return eval(pObj).style;else return document.getElementById(pObj).style}

 function ShowObj(pObj)
  {gO(pObj).visibility="visible"}

 function PosObj(pObj,pLeft,pTop)
  {gO(pObj).left=pLeft;gO(pObj).top=pTop}

 function ShowPosObj(pObj,pLeft,pTop)
  {PosObj(pObj,pLeft,pTop);
   ShowObj(pObj);}

 function HideObj(pObj)
  {gO(pObj).visibility="hidden"}

 function makeObj(pObj,pValue)
  {if(IE)eval(pObj).innerHTML=pValue;else document.getElementById(pObj).innerHTML=pValue}

 function MenuMode(pMode)
  {HideMenus();
  if(pMode=="on")
   {gGal=false;HideObj("PrevMenuBG");HideObj("PrevMenu");ShowObj("MainMenu");PosObj("TopMenu",50,120);HideObj("ShowMenus");if(IE){HideObj("PrevMenuMO");HideObj("prevP1");HideObj("prevP2");HideObj("prevP3");HideObj("prevP4")}}
  else
   {gGal=true;ShowObj("PrevMenuBG");ShowObj("PrevMenu");HideObj("MainMenu");PosObj("TopMenu",50,40);ShowObj("ShowMenus");if(IE){ShowObj("PrevMenuMO");ShowObj("prevP1");ShowObj("prevP2");ShowObj("prevP3");ShowObj("prevP4")}}}

 function ShowBigPic(pImg)
  {if((gPrevPos+pImg)<pPrevMax+1){document.getElementById("mainpic").src="l/"+pics[map[gPrevPos+pImg]]+".jpg";makeObj("picTitle",picst[map[gPrevPos+pImg]]);makeObj("picCopyright","Fotograf: "+picsc[map[gPrevPos+pImg]])}}

 function OnPreview(pObj,pMode)
  {{if(IE)if(pMode=="on")ShowObj(pObj);else HideObj(pObj)}}

 function HideMenus()
  {HideObj("ContentFoto");HideObj("ContentImpress");HideObj("ContentLinks");HideObj("ContentKontakt")}
  
 function ShowMenu(pMenu)
  {HideMenus();
   ShowObj(pMenu)}

 function ShowPrev(pMode)
  {if(pMode=="start")
    {gPrevPos=0}
   else if(pMode=="next")
    {if(gPrevPos<=pPrevMax-5) gPrevPos+=4;}
   else 
    {if(gPrevPos>=4) gPrevPos-=4}

   if(gPrevPos>=4)pLastMode="";else pLastMode="off";
   if(gPrevPos<=pPrevMax-5)pNextMode="";else pNextMode="off";
   if(gPrevPos+1<=pPrevMax)document.getElementById("prev1").src="l/"+pics[map[gPrevPos+1]]+"p.jpg";else document.getElementById("prev1").src="i/black.gif";
   if(gPrevPos+2<=pPrevMax)document.getElementById("prev2").src="l/"+pics[map[gPrevPos+2]]+"p.jpg";else document.getElementById("prev2").src="i/black.gif";
   if(gPrevPos+3<=pPrevMax)document.getElementById("prev3").src="l/"+pics[map[gPrevPos+3]]+"p.jpg";else document.getElementById("prev3").src="i/black.gif";
   if(gPrevPos+4<=pPrevMax)document.getElementById("prev4").src="l/"+pics[map[gPrevPos+4]]+"p.jpg";else document.getElementById("prev4").src="i/black.gif";
   showButtons("last",pLastMode);showButtons("next",pNextMode)}

 function showStartPic()
  {ShowBigPic(start[Math.ceil(Math.random()*(pStartMax))])}

 function showButtons(pButton,pMode)
  {document.getElementById(pButton).className=pButton+pMode}