function GetFontSize()
{
	var font_size = this.document.getElementById("content").style.fontSize;
	return font_size;
}

function SetFontSize()
{
	var font_size = GetFontSize();
	if (font_size == '11px')
	{
		this.document.getElementById("content").style.fontSize = "14px";
/*		this.document.getElementById("link01").style.fontSize = "14px";
		this.document.getElementById("link02").style.fontSize = "14px";*/
	}
	else
	{
		this.document.getElementById("content").style.fontSize = "11px";
/*		this.document.getElementById("link01").style.fontSize = "11px";
		this.document.getElementById("link02").style.fontSize = "11px";*/
	}

	//TWEAK voor random "oog"plaatje in rechterkolomheader
	var divs = this.document.getElementsByTagName("DIV");

	for(var i = 0; i < divs.length; i++)
	{
	    if (divs[i].className == "center_right" && divs[i].innerHTML == "")
	    {
	        divs[i].style.backgroundImage = randImg();
	        return true;
	    }
	}
}

function randImg()
{
    var aantalImg = 13;

    var rnd = Math.random() * (aantalImg);

    var imgIndex = Math.floor(rnd) + 1;

    return imgUrl = "url('http://www.gezondheidscentrummondriaanlaan.nl/images/"+ imgIndex +".jpg')";
}