$(document).ready(function() {
	var ccenter=0;		
	$('#centercontentup').click(function()
	{
		
		$('#centercontent').toggle();
		if(ccenter==1)
		{
			$('#centercontentup').html("⇑");
			ccenter=0;
		}
		else
		{
			$('#centercontentup').html("⇓");
			ccenter=1;
		}
	});
	
	
	var cmenu=0;		
	$('#menucontentup').click(function()
	{
		
		$('#menucontent').toggle();
		if(cmenu==1)
		{
			$('#menucontentup').html("⇑");
			cmenu=0;
		}
		else
		{
			$('#menucontentup').html("⇓");
			cmenu=1;
		}
	});
	
	
	var cnote=0;		
	$('#notecontentup').click(function()
	{
		
		$('#notecontent').toggle();
		if(cnote==1)
		{
			$('#notecontentup').html("⇑");
			cnote=0;
		}
		else
		{
			$('#notecontentup').html("⇓");
			cnote=1;
		}
	});
	
	
	var ctask=0;		
	$('#taskcontentup').click(function()
	{
		
		$('#taskcontent').toggle();
		if(ctask==1)
		{
			$('#taskcontentup').html("⇑");
			ctask=0;
		}
		else
		{
			$('#taskcontentup').html("⇓");
			ctask=1;
		}
	});
	
	
	var clink=0;		
	$('#linkcontentup').click(function()
	{
		
		$('#linkcontent').toggle();
		if(clink==1)
		{
			$('#linkcontentup').html("⇑");
			clink=0;
		}
		else
		{
			$('#linkcontentup').html("⇓");
			clink=1;
		}
	});
		
	$('#selectall').click(function()
	{
		
		$('input[@type=checkbox]').attr("checked","checked");

	});		
	
		$('#selectnone').click(function()
	{
		
		$('input[@type=checkbox]').attr("checked","");

	});		
		
		
		
///switch style: sidebar hide;show		
						   
	$('.styleswitch').click(function()
	{
		
		switchStylestyle(this.getAttribute("rel"));
		return false;
	});
	var c = readCookie('style');
	if (c) switchStylestyle(c);
});

function switchStylestyle(styleName)
{
	$('link[@rel*=style][@title]').each(function(i) 
	{
		this.disabled = true;
		if (this.getAttribute('title') == styleName) this.disabled = false;
	});
	createCookie('style', styleName, 365);
}




// cookie functions http://www.quirksmode.org/js/cookies.html
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);
}
// /cookie functions