function showHide(id){
	if($(id)){
		if($(id).visible()) $(id).hide();
		else $(id).show();
	}
}

function reloadImg(id){
	window.setTimeout(function(){$(id).src=$(id).src}, 100);
}

function setCookie(name, value, days){
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	var date = new Date();

	if(typeof(days) != 'undefined') date.setTime(date.getTime() + (days*24*60*60*1000));
	else date.setTime(date.getTime() + (24*60*60*1000));

	document.cookie = name + '=' + escape(value) +
		(('; expires=' + date.toGMTString())) +
		((path == null) ? '' : ('; path=' + path)) +
		((domain == null) ? '' : ('; domain=' + domain)) +
		((secure == true) ? '; secure' : '');
}

function getCookie(name){
	var nameEQ = name + '=';
	var ca = document.cookie.split(';');
	
	for(var i=0; i<ca.length; i++){
		var c = ca[i];
		while(c.charAt(0)==' ') c = c.substring(1, c.length);
		if(c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
	}
	return null;
}

function eraseCookie(name){
	setCookie(name, '', -1);
}