function showdiv(id) { document.getElementById(id).style.display='block'; }
function hidediv(id) { document.getElementById(id).style.display='none'; }

function setbkg(id,img){ document.getElementById(id).style.backgroundImage="url("+img+")"; }
// function setbkg(id){ document.getElementById(id).style.backgroundImage="url(data/rahmen.png)"; }

function game_init()
{
hidediv('main_game')
showdiv('cont_warten')
img_laden();
setTimeout("showdiv('main_game'); hidediv('cont_warten');",2000);
}

function img_laden(){
setbkg('main_game','data/rahmen.png');
}