// USE: call images 'swap_*_#.gif' in 'i' folder with:
// * = image name (must also be placed in NAVarr array below)
// # = image state : 0 = off, 1 = on

NAVarr = new Array("home", "emergency", "support", "transport", "commercial", "other", "technical");
if (document.images) {
	for (var NAVitem in NAVarr) { 
		 for (var NAVicount=0; NAVicount < 2; NAVicount++) { 
				eval("b" + NAVarr[NAVitem] + NAVicount + " = new Image()");
				eval("b" + NAVarr[NAVitem] + NAVicount + ".src = 'assets/swap_" + NAVarr[NAVitem] + "_" + NAVicount + ".gif'");
		 } 
	} 
}

function BturnOn(imageName) {
	if (document.images) { document [imageName].src = eval("b" +imageName + "1.src");   }
}

function BturnOff(imageName) {
	if (document.images) { document [imageName].src = eval("b" + imageName + "0.src");   }
}


function hide(id) {
	var el = document.getElementById(id).style;
	el.visibility = "hidden";
}
function show(id) {
	var el = document.getElementById(id).style;
	el.visibility = "visible";
}