var speicher = new Image();
var anker;
var nummer;
var alt;


function riesig(nummer)
{
    speicher.src = '/historische-baustoffe/bilder/riesig/' + nummer + '.jpg';
    document.getElementById( 'gross' ).src = '/bilder/momentnoch.gif';
    document.getElementById( 'flaeche' ).style.display = 'inline';
    warten();
    document.getElementById( 'bild' ).style.display = 'inline';
    document.getElementById( 'gross' ).style.display = 'block';
    anker = nummer.substr(0,10);
}

function warten()
{
	if (speicher.height != 0)
		{
	     document.getElementById( 'gross' ).src = speicher.src;
		}
	else {
		setTimeout('warten()',100);
		}
}


function riesigaus(nummer)
{
    document.getElementById( 'flaeche' ).style.display = 'none';
    document.getElementById( 'bild' ).style.display = 'none';
    document.getElementById( 'gross' ).src = '/bilder/momentnoch.gif';
    document.getElementById( 'gross' ).style.display = 'none';
    document.getElementById( 'zuruecktext' ).href = '#a' + anker;
    document.getElementById( 'zurueckbild' ).href = '#a' + anker;
}