function getCookie(n) {
	var c=document.cookie;
	var offset=c.indexOf(n+"=");
	if(offset<0) {
		return 1;
	}
	offset=c.indexOf('=',offset)+1;
	return c.substr(offset,1);
}

function setCookie(n,v) {
	var d=new Date();
	d=new Date(d.getTime() + (34*86400*1000));
	document.cookie=n + '=' + v + '; expires=' + d.toGMTString() ;
}


function toggle(t) {
	var para=document.getElementById(t);
	var tb = document.getElementById('t' + t);
	var htb = document.getElementById('h' + t);
	if(para.style.display!='none') {
		para.style.display = 'none';
		tb.style.display = 'block';
		htb.style.display = 'none';
		setCookie(t,0);
	}
	else {
		para.style.display = 'block';
		tb.style.display = 'none';
		htb.style.display = 'block';
		setCookie(t,1);
	}
	return true;
}


function setpageblocks(ckname) {
	var v = getCookie(ckname);
	if(v==0) {
		toggle(ckname);
	}
}