var fontSizeNumber = "1";
var pageSkinNumber = "1";


function setPageStyle()
	{
	if(document.cookie)
		{
		fSS = getCookie("fontSizeCode");
		if(fSS) fontSizeNumber = fSS;
		pSS = getCookie("pageSkinCode");
		if(pSS) pageSkinNumber = pSS;
		}
	setFontSize(fontSizeNumber);
	setPageSkin(pageSkinNumber);
	}


function changePageSkin(state)
{
if(state=="up")
	{
	pageSkinNumber++;
	if(pageSkinNumber>3) pageSkinNumber=1;
	}

if(state=="down")
	{
	pageSkinNumber--;
	if(pageSkinNumber<1) pageSkinNumber=3;
	}

setPageSkin(pageSkinNumber)	
}


function changeFontSize(state)
{
if(state=="up")
	{
	fontSizeNumber++;
	if(fontSizeNumber>3) fontSizeNumber=1;
	}

if(state=="down")
	{
	fontSizeNumber--;
	if(fontSizeNumber<1) fontSizeNumber=3;
	}

setFontSize(fontSizeNumber)	
}



function setFontSize(size)
{
	for(var i=1; i<=3; i++)
		{
		document.getElementById("fontsize"+i).disabled = true;
		if (i==size)
			{
			document.getElementById("fontsize"+size).disabled = false;
			setCookie("fontSizeCode", size, 20)
			}
		}
}


function setPageSkin(skin)
{
	for(var i=1; i<=3; i++)
		{
		document.getElementById("pageskin"+i).disabled = true;
		if (i==skin)
			{
			document.getElementById("pageskin"+skin).disabled = false;
			setCookie("pageSkinCode", skin, 20)
			}
		}
}



/* cookie stuff */

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

function getCookie(name)
{
var nameEQ = name + "=";
var plates = document.cookie.split(';');
for(var i=0; i < plates.length;i++)
	{
	var plate = plates[i];
	while (plate.charAt(0)==' ') plate = plate.substring(1,plate.length);
	if (plate.indexOf(nameEQ) == 0)
		{
		return plate.substring(nameEQ.length, plate.length);
		}
	}
	return null;
}

function eraseCookie(name)
	{
	setCookie(name, "", -1);
	}