//

if (document.images) {

        doc0 = new Image()
        doc0.src =      "001aus.gif"

	    doc1 = new Image()
        doc1.src =      "002aus.gif"

        doc2 = new Image()
        doc2.src =      "003aus.gif"

        doc3 = new Image()
        doc3.src =      "004aus.gif"

        doc4 = new Image()
        doc4.src =      "005aus.gif"


}

function Aan(i) {
        if (document.images) {
                var thang = document.images[i].src
                var off = thang.lastIndexOf("aus")
                if (off != -1) {
                        document.images[i].src = thang.substring(0,off) + "an" + ".gif"
                }
        }
}

function Baus(i) {
        if (document.images) {
                var thang = document.images[i].src
                var on = thang.lastIndexOf("an")
                if (on != -1) {
                        document.images[i].src = thang.substring(0,on) + "aus" + ".gif"                }
        }
}