/*  
Made by Martial Boissonneault © 2002-2003 http://getElementById.com/
May be used and changed freely as long as this msg is intact
Visit http://getElementById.com/ for more free scripts and tutorials.
*/
var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);

function show(id){
	// Netscape 4
	if(ns4){
//		document.layers[id].visibility = "show";
		document.layers[id].display = "block";
	}
	// Explorer 4
	else if(ie4){
//		document.all[id].style.visibility = "visible";
		document.all[id].style.display = "block";
	}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6){
//		document.getElementById(id).style.visibility = "visible";
		document.getElementById(id).style.display = "block";
	}
}

function hide(id){
	// Netscape 4
	if(ns4){
//		document.layers[id].visibility = "hide";
		document.layers[id].display = "none";
	}
	// Explorer 4
	else if(ie4){
//		document.all[id].style.visibility = "hidden";
		document.all[id].style.display = "none";
	}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6){
//		document.getElementById(id).style.visibility = "hidden";
		document.getElementById(id).style.display = "none";
	}
}

function swapState(id,iid){
	// Netscape 4
	if(ns4){
		if(document.layers[id].display == "none"){
			show(id);
			
		} else {
			hide(id);
		}
	}
	// Explorer 4
	else if(ie4){
		if(document.all[id].style.display == "none"){
			show(id);
		} else {
			hide(id);
		}
	}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6){
		if(document.getElementById(id).style.display == "none"){
			show(id);
			//document.getElementById(iid).src = "images/arrow_down.gif";
		} else {
			hide(id);
			//document.getElementById(iid).src = "images/arrow_up.gif";
		}
	}

}