function resizeText(mod)
{
    var fontsz = parseFloat(document.body.style.fontSize); //Default to 1em
    if ($.cookie('site_font_size') != null){
		fontsz = $.cookie('site_font_size');
    }
	fontsz = parseFloat(fontsz) + mod + "%";   // Change body text size
	if(parseFloat(fontsz) > 110.0){
		fontsz="107.5%";
	}
	if(parseFloat(fontsz) < 60.0){
		fontsz="67.5%";
	}

	document.getElementById("my_body").style.fontSize = fontsz;      //Set a new cookie with MooTools
	$.cookie('site_font_size', fontsz, { path: '/' });
}