if (document.images) {
	frenchoff = new Image (0,0);
	englishoff = new Image (0,0);
	
	frenchon = new Image (0,0);
	englishon = new Image (0,0);

	frenchoff.src = "french_off.gif";
	englishoff.src = "english_off.gif";

	frenchon.src = "french_on.gif";
	englishon.src = "english_on.gif";
	
}

function act(imgName) {

	if (document.images) {
		document[imgName].src = eval(imgName + 'on.src');
	}
   
}

function inact(imgName) {

	if (document.images) {
		document[imgName].src = eval(imgName + 'off.src');
	}
   
}