function MM_swapImgRestore() { //v3.0
    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() { //v3.0
    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) { //v4.01
    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);}
    if (!x && d.getElementById) {x=d.getElementById(n);} 
    return x;
}

function MM_swapImage() { //v3.0
    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];
        }
    }
}

var entInterval;

function showEntGuide () {
    clearInterval(entInterval);
    document.getElementById("ent_guide").style.display = "block";
}

function hideEntGuide () {
    entInterval = setTimeout("document.getElementById(\"ent_guide\").style.display=\"none\"",100);
}