//init 
var okay = false;
var on = null;
var blank = null;

function init() {
	// this will work in "Mozilla" 3+ (includes MSIE 4)
	if ( navigator.appCodeName == "Mozilla" && parseInt(navigator.appVersion) >= 3 ) okay = true;
	
	blank = new Image();
	on  = new Image();
	on.src  = "images/arrow.gif";
}

function over(value){

	if (!okay) return true; 
	
	eval("blank.src = document." + value + ".src");
	eval("document." + value + ".src = on.src");
	
	if (document.all) eval("document.all['" + value + "w" + "'].style.color ='#999999' ");
	
	return true;
}

function out(value){
	if (!okay) return true; 

	eval("document." + value + ".src = blank.src");
	
	if (document.all) eval("document.all['" + value + "w" + "'].style.color = '#666666'");
	
	return true;
}