function showDiv(id)
{
	document.getElementById(id).style.display = "block";
	return true;
}	
function hideDiv(id)
{
	document.getElementById(id).style.display = "none";
	return true;
}	
function toggleDiv(thisId, id)
{
	if(document.getElementById(id).style.display == "block") 
		return hideDiv(id);
	else
		return showDiv(id); 
}
		
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 fontSize(thisSize) 
{
	if(!document.getElementById('letter1'))	return;

	if(!thisSize) {
		if(readCookie('fSize') != null)		thisSize = eval(readCookie('fSize'));
		else								thisSize = 2;
	}
	switch (thisSize) {
	case 1:
		document.getElementById('container').style.fontSize = '10px';
		document.getElementById('letter1').className = 'letter_1sel';
		document.getElementById('letter2').className = 'letter_2';
		document.getElementById('letter3').className = 'letter_3';

		createCookie('fSize','1',100);
		break;
		
	case 2:
		document.getElementById('container').style.fontSize = '12px';
		document.getElementById('letter1').className = 'letter_1';
		document.getElementById('letter2').className = 'letter_2sel';
		document.getElementById('letter3').className = 'letter_3';

		createCookie('fSize','2',100);
		break;
		
	case 3:
		document.getElementById('container').style.fontSize = '14px';
		document.getElementById('letter1').className = 'letter_1';
		document.getElementById('letter2').className = 'letter_2';
		document.getElementById('letter3').className = 'letter_3sel';

		createCookie('fSize','3',100);
		break;	
	}
	return false;
}