// defined at http://techpatterns.com/downloads/javascript_cookies.php
function setCookie( name, value, expires, path, domain, secure ) {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	
	/*
	if the expires variable is set, make the correct 
	expires time, the current script below will set 
	it for x number of days, to make it for hours, 
	delete * 24, for minutes, delete * 60 * 24
	*/
	if (expires) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
		( ( path ) ? ";path=" + path : "" ) + 
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

// defined at http://techpatterns.com/downloads/javascript_cookies.php
function getCookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( var i = 0; i < a_all_cookies.length; i++ ) {
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name ) {
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )	{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found ) {
		return null;
	}
}				

// defined at http://techpatterns.com/downloads/javascript_cookies.php
function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) {
		document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}

/* from http://ejohn.org/projects/flexible-javascript-events/
function addEvent( obj, type, fn ) {
	if ( obj.attachEvent ) {
		obj['e'+type+fn] = fn;
		obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
		obj.attachEvent( 'on'+type, obj[type+fn] );
	} else
		obj.addEventListener( type, fn, false );
}

// from http://ejohn.org/projects/flexible-javascript-events/
function removeEvent( obj, type, fn ) {
	if ( obj.detachEvent ) {
		obj.detachEvent( 'on'+type, obj[type+fn] );
		obj[type+fn] = null;
	} else
		obj.removeEventListener( type, fn, false );
}

// useful when adding onclick event to an anchor, so as the link doesn't actually get followed
function preventDefaultAction(e) { 
	if (!e)
		e = event; 
	e.preventDefault ? e.preventDefault() : e.returnValue = false; 
}*/

/*
AddEvent Manager (c) 2005-2006 Angus Turnbull http://www.twinhelix.com
Free usage permitted as long as this credit notice remains intact.
*/
// o : object to attach event to
// t : name of event (without 'on')
// f : function to call when event is fired
// l : if true, disable use of addEventListener()
// see http://www.twinhelix.com/javascript/addevent/
if (typeof addEvent != 'function') {
	var addEvent = function(o, t, f, l) {
		var d = 'addEventListener', n = 'on' + t, rO = o, rT = t, rF = f, rL = l;
		if (o[d] && !l) return o[d](t, f, false);
		if (!o._evts) o._evts = {};
		if (!o._evts[t]) {
			o._evts[t] = o[n] ? { b: o[n] } : {};
			o[n] = new Function('e',
			 'var r = true, o = this, a = o._evts["' + t + '"], i; for (i in a) {' +
			  'o._f = a[i]; r = o._f(e||window.event) != false && r; o._f = null;' +
			  '} return r');
			if (t != 'unload') addEvent(window, 'unload', function() {
				removeEvent(rO, rT, rF, rL);
			});
		}
		if (!f._i) f._i = addEvent._i++;
		o._evts[t][f._i] = f;
	};
	addEvent._i = 1;

	var removeEvent = function(o, t, f, l) {
		var d = 'removeEventListener';
		if (o[d] && !l) return o[d](t, f, false);
		if (o._evts && o._evts[t] && f._i) delete o._evts[t][f._i];
	};
}


// Optional cancelEvent() function you can call within your event handlers to
// stop them performing the normal browser action or kill the event entirely.
// Pass an event object, and the second "c" parameter cancels event bubbling.
function cancelEvent(e, c)
{
	e.returnValue = false;
	if (e.preventDefault) e.preventDefault();
	if (c) {
		e.cancelBubble = true;
		if (e.stopPropagation) e.stopPropagation();
	}
};


function newWindow(event, url, windowName) {
	//window.open(url, windowName);
//	window.open(url, windowName,height='728',width='1024',scroobars=0);
	window.open(url, windowName,"width=800,height=570");

	if (event)	
		cancelEvent(event);
	else
		return false;
}