var a;
var b = new Array();

function displaySub(that) {

	document.getElementById(that).style.display = 'block';

	clearTimeout(a);
	clearTimeout(b[that]);

	a = setTimeout("hideSub('"+that+"');",5000);

}



function hideSub(that) {

	UserAgent = navigator.userAgent;

	if (UserAgent.indexOf("Opera") == -1) {

		document.getElementById(that).style.display = 'none';	

	} else {
		clearTimeout(b[that]);
		b[that] = setTimeout("operaSub('"+that+"');",1000);
	}

}
function operaSub(that) {
	document.getElementById(that).style.display = 'none';	
}