ImgPlus = new Image();
ImgPlus.src = "images/nav/plus.gif";
ImgMinus = new Image();
ImgMinus.src = "images/nav/minus.gif";

function click(element,pic) {
    with (document.getElementById(element).style) {
	    if (display=="block") {
            window.document.images[pic].src = ImgPlus.src;
	        display="none";
        } else {
            window.document.images[pic].src = ImgMinus.src;
	        display="block";
        }
    }
}

function OpenAll() {
    divs = document.getElementsByTagName("DIV");
    for (i=0; i<divs.length; i++) {
	    if (divs[i].id.match(/^sub/)) {
            divs[i].style.display = "block";
        }
    }

    imgs = document.getElementsByTagName("IMG");
    for (i=0; i<imgs.length; i++) {
	    if (imgs[i].name.match(/^status/)) {
	        imgs[i].src = ImgMinus.src;
	    }
    }
}

function CloseAll() {
    divs = document.getElementsByTagName("DIV");
    for (i=0; i<divs.length; i++) {
        if (divs[i].id.match(/^sub/)) {
            divs[i].style.display = "none";
        }
    }

    imgs = document.getElementsByTagName("IMG");
    for (i=0; i<imgs.length; i++) {
	    if (imgs[i].name.match(/^status/)) {
	        imgs[i].src = ImgPlus.src;
	    }
    }
}