var root_plus = new Image();
var root_minus = new Image();
var child_plus = new Image();
var child_minus = new Image();
var last = new Image();

root_plus.src = '/image/admin/root_icon_15.gif';
root_minus.src = '/image/admin/root_icon_16.gif';
child_plus.src = '/image/admin/root_icon_19.gif';
child_minus.src = '/image/admin/root_icon_20.gif';
last.src = '/image/admin/root_icon_18.gif';
/*
	root
	child
	last
*/

function clickHandler()
{
    var lEl, tEl, srcElement, srcIndex;

    srcElement = window.event.srcElement;
    srcIndex = srcElement.sourceIndex;

    if (srcElement.className == "outline")
    {
        lEl = document.all[srcIndex - 1];
	    tEl = document.all[srcIndex + 1];
		
        if (tEl.style.display == "none")
        {
            tEl.style.display = "";
            if(lEl.className == "root")
            	lEl.src = root_minus.src;
            else if(lEl.className == "child")
        	lEl.src = child_minus.src;
        }
        else
        {
            tEl.style.display = "none";
            if(lEl.className == "root")
            	lEl.src = root_plus.src;
            else if(lEl.className == "child")
        	lEl.src = child_plus.src;
        }
        window.event.returnValue = false;
    }
    window.focus();
}


function clickMenu()
{
    var lEl, tEl, srcElement, srcIndex;

    srcElement = window.event.srcElement;
    srcIndex = srcElement.sourceIndex;

	lEl = document.all[srcIndex - 1];
	tEl = document.all[srcIndex + 1];

	if (srcElement.className == "outline")
    {	
		if (tEl.style.display == "none")  tEl.style.display = "";
		else tEl.style.display = "none";
		window.event.returnValue = false;
	}
}