//cookie functions
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(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) {
	createCookie(name,"",-1);
}

function ifEnter(e, btn)
{
	if (window.event && window.event.keyCode == 13)
		$(btn).click();
	else if(e && e.which == 13)
		$(btn).click();
	else
		return true;
}

//ask user before proceeding
function askFirst(text, url)
{
	var answer = confirm (text);
	
	if (answer)
		window.location=url;
}

function toggleDetails(dateid)
{
	if($('datesummary_'+dateid).style.display == '')
	{	//show details
		Element.hide('datesummary_'+dateid);
		Element.show('datedetails_'+dateid);
		$('datetoggle_'+dateid).innerHTML = 'hide details';
	}
	else
	{	//show summary
		Element.hide('datedetails_'+dateid);
		Element.show('datesummary_'+dateid);
		$('datetoggle_'+dateid).innerHTML = 'show details';
	}
}

function toggleMyDateSpaces()
{
	if($('mydatespaces_list').style.display == '')
	{
		Element.hide('mydatespaces_list');
		Element.show('mydatespaces_mosaic');
		$('datespacestoggle').innerHTML = 'list view';
	}
	else
	{
		Element.hide('mydatespaces_mosaic');
		Element.show('mydatespaces_list');
		$('datespacestoggle').innerHTML = 'mosaic view';
	}
}

function toggleContent(target, opened, closed)
{
	//find target
	var root = target;
	var eSwitch = $('switch_' + target);
	var target = $('content_' + target);
	
	//todo: add code to handle images for opened and closed
		
	//hide/show
	if (eSwitch.innerHTML == closed)
	{
		eSwitch.innerHTML = opened;
		new Effect.BlindDown(target, {});
		createCookie('datespaces_toggle_'+root,'hide',30);
	}
	else
	{
		eSwitch.innerHTML = closed;
		new Effect.BlindUp(target, {});
		createCookie('datespaces_toggle_'+root,'show',30);			
	}		
}

function loadDetailsTemplate(template, override)
{
	if(template == 'restaurant')
	{
		if(!$F('details') || override)
		{
			$('details').value = '! Price and Value\nchange this\n\n! Atmosphere and Dress\nchange this\n\n! When to Go\nchange this\n\n! Other Notes\nchange this';
			return true;
		}
		else
		{	//need to override
			var answer = confirm('This will write over the current location details. Okay?');
			if(answer)
				loadDetailsTemplate(template, 1);
		}
	}
	else if(template == 'other')
	{
		if(!$F('details') || override)
		{
			$('details').value = '! Price and Value\nchange this\n\n! Atmosphere and Dress\nchange this\n\n! When to Go\nchange this\n\n! Other Notes\nchange this';
			return true;
		}
		else
		{	//need to override
			var answer = confirm('This will write over the current location details. Okay?');
			if(answer)
				loadDetailsTemplate(template, 1);
		}
	}
	else
		return false;
}