function setFontSize(newSize) {
	if(e = document.getElementsByTagName("body")[0]) {
		e.style.fontSize=newSize;
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function popup(URL,width,height) {
	if (!width) {
		width = 500;
	}
	if (!height) {
		height = 500;
	}
	MM_openBrWindow(URL,'','scrollbars=yes,toolbar=no,location=no,status=no,menubar=no,resizable=no,left='+((screen.width-width) / 2)+',top='+((screen.height-height) / 2)+',width=' + width + ',height=' + height);
	return false;
}