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 change_size_home(punkt) {
	document.getElementById('tresc').style.fontSize=punkt;	
	if(punkt=='10pt'){
	document.getElementById('tresc').style.lineHeight='19px';	
	}
	if(punkt=='12pt'){
	document.getElementById('tresc').style.lineHeight='21px';	
	}
	if(punkt=='14pt'){
	document.getElementById('tresc').style.lineHeight='23px';	
	}
	createCookie("textSize", punkt, 90);
}

function change_size(punkt) {
	document.getElementById('centerblock').style.fontSize=punkt;	
	createCookie("textSize", punkt, 90);
}