<!--
minus=new Image;
minus.src="images/minus.gif";
plus=new Image;
plus.src="images/plus.gif";

var NS = (navigator.appName.indexOf("Netscape")!=-1);
var MS = (navigator.appName.indexOf("Microsoft")!=-1);
var VER=parseInt(navigator.appVersion);
var CSS=((MS&&VER>=4)||(NS&&VER>=5));
var IE4=(MS&&VER==4);

function expand(el) {
	if ( !CSS ) return;
	if ( IE4 ) {
		whichEl = eval("d" + el);
		whichIm = eval("i" + el);
	} else {
		whichEl = document.getElementById("d" + el);
		whichIm = document.getElementById("i" + el);
	}
	if (whichEl ) {
		if ( whichEl.style.display != "block") {
			whichEl.style.display = "block";
			whichIm.src ="images/minus.gif";
		} else {
			whichEl.style.display = "none";
			whichIm.src ="images/plus.gif";
		}
	}
}

function OpenEl(el) {
	if ( !CSS ) return;
	if ( IE4 ) {
		whichEl = eval("d" + el);
		whichIm = eval("i" + el);
	} else {
		whichEl = document.getElementById("d" + el);
		whichIm = document.getElementById("i" + el);
	}
	if (whichEl ) {
		whichEl.style.display = "block";
		whichIm.src ="images/minus.gif";
	}
}

function CloseEl(el) {
	if ( !CSS ) return;
	if ( IE4 ) {
		whichEl = eval("d" + el);
		whichIm = eval("i" + el);
	} else {
		whichEl = document.getElementById("d" + el);
		whichIm = document.getElementById("i" + el);
	}
	if (whichEl ) {
		whichEl.style.display = "none";
		whichIm.src ="images/plus.gif";
	}
}

function oc(){
	if (opened == true)
		{
		sp1.innerHTML = t1;
		sp2.innerHTML = t1;
		for (i=1; i<=max; i++)
			{
			CloseEl('q' + i);
			OpenEl('q' + i);
			}
		}
	else
		{
		sp1.innerHTML = "";
		sp2.innerHTML = t2;
		for (i=1; i<=max; i++) 
			{
			OpenEl('q' + i);
			CloseEl('q' + i);
			}
		}
	opened = !opened;
	document.location.href = "#top";
}


function init(){
	sp1 = getelementbyid("opcl1");
	sp2 = getelementbyid("opcl2");
	t1 = "<img src='images/disc1.gif' align='middle' alt='Hide all'>&nbsp;<a href='javascript:oc()'>Hide all features</a>";
	t2 = "<img src='images/disc1.gif' align='middle' alt='Show all'>&nbsp;<a href='javascript:oc()'>Show all features</a>";
	sp2.innerHTML = t2;
	opened = true;
}
// -->