// JavaScript Document
var timeout = 500;
var closeTime;
var menu = new Array('dd1','dd2','dd3','dd4','dd5');
var toClose;

function drop(field){ 
	clearTimeout(closeTime);
	for (var i=0; i<menu.length; i++){
		var div = menu[i];
		if (div == field){
			document.getElementById(div).style.visibility='visible';
		}else{ document.getElementById(div).style.visibility='hidden'; }
	}	
}
function cancelClose(){
	clearTimeout(closeTime);
}
function setClose(field){
	toClose = field;
	closeTime=setTimeout(closeM,timeout);
}

function closeM(){
	document.getElementById(toClose).style.visibility='hidden';
}