/* Skriftstørrelse, frs, 07.01.2010 */


function setCookie(cName,cValue,nDays)
{
	var today = new Date();
	var expire = new Date();
	if(nDays==null || nDays==0) nDays=1;
	expire.setTime(today.getTime() + 3600000*24*nDays);
	document.cookie = cName+"="+escape(cValue) + ";expires="+expire.toGMTString();
}




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




function skaler(prsnt, scookie)
{
	/* scale text only if prsnt is not equal to default font size */
	defaultfontsize = "68.75"; /* set to font-size on body element */
	bodyelem = document.getElementsByTagName("body")[0];
	enhet = "%";
	enhet = "px";

	if(prsnt != defaultfontsize)
	{
		bodyelem.style.fontSize = prsnt + enhet;
	}

	if((prsnt == defaultfontsize)&&(scookie))
	{
		bodyelem.style.fontSize = prsnt + enhet;
	}

	/*alert("Etter: " + bodyelem.style.fontSize);*/
	if(scookie)
	{
		setCookie("basefontsize", prsnt, 365);
	}
}



/*
function setNormalTextSize()
{
	alert("normaltext");
	eraseCookie("basefontsize");
	bodyelem.style.fontSize = "68.75%";
}
*/



function iFSCookie()
{
	value = rCookie("basefontsize");
	if(value)
	{
		skaler(value, scookie=false);
	}
}




function rCookie(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;
}