var prefsLoaded = false;
var defaultfontSizeRCE = 100;
var currentfontSizeRCE = defaultfontSizeRCE;


function revertStyles()
{
	currentfontSizeRCE = defaultfontSizeRCE;
	//changefontSizeRCE(0);
	setfontSizeRCE(currentfontSizeRCE);
}

function changeFontSize(typ)
{
	/*currentfontSizeRCE = parseInt(currentfontSizeRCE) + parseInt(sizeDifference * 5);*/
	if (typ=='-')
	{
	    if(currentfontSizeRCE>80)
		{
		    currentfontSizeRCE = currentfontSizeRCE - 10;
		}
	}
	if (typ=='+')
	{
	    if(currentfontSizeRCE<=150)
		{
		    currentfontSizeRCE = currentfontSizeRCE + 10;
		}
	}
	if (typ=='0')
	{
	    currentfontSizeRCE = defaultfontSizeRCE;
	}

	setfontSizeRCE(currentfontSizeRCE);
};

function setfontSizeRCE(fontSizeRCE)
{
	var panel = document.getElementById('www_site_basic');
	panel.style.fontSize = fontSizeRCE + '%';
}


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 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;
};

window.onload = setUserOptions;

function setUserOptions()
{
	if(!prefsLoaded)
	{
    	cookie_font = parseInt(readCookie("fontSizeRCE"));
		currentfontSizeRCE = cookie_font ? cookie_font : defaultfontSizeRCE;
		setfontSizeRCE(currentfontSizeRCE);		
		prefsLoaded = true;
	}
}

function saveSettings()
{
    createCookie("fontSizeRCE", currentfontSizeRCE, 365);
}

window.onunload = saveSettings;