// $Id: preload.js,v 1.3 2005/06/30 22:18:34 johnt Exp $

function MM_swapImgRestore() {
    var i, x, a=document.MM_sr;
    for(i=0; a && i<a.length && (x=a[i]) && x.oSrc; i++) {
        x.src=x.oSrc;
    }
}

function MM_preloadImages() {
    var d=document;
    if(d.images) {
        if(!d.MM_p) d.MM_p=new Array();
        var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
        for(i=0; i<a.length; i++)
            if (a[i].indexOf("#")!=0) {
                d.MM_p[j]=new Image;
                d.MM_p[j++].src=a[i];
            }
    }
}

function MM_findObj(n,d) {
    var p,i,x;
    if (!d) d=document;
    if ((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document;
        n=n.substring(0,p);
    }
    if (!(x=d[n])&&d.all) x=d.all[n];
    for (i=0;!x&&i<d.forms.length;i++)
        x=d.forms[i][n];
    for (i=0;!x&&d.layers&&i<d.layers.length;i++)
        x=MM_findObj(n,d.layers[i].document);
    return x;
}

function MM_swapImage() {
    var i, j=0, x, a = MM_swapImage.arguments;
    document.MM_sr=new Array;
    for(i=0;i<(a.length-2);i+=3) {
        if ((x=MM_findObj(a[i]))!=null) {
            document.MM_sr[j++]=x;
            if(!x.oSrc) x.oSrc=x.src;
            x.src=a[i+2];
        }
    }
}