var imgGoogleUrl = 'http://www.google.com/cse/intl/fr/images/google_custom_search_watermark.gif';

document.addEvent('domready', function() {

	var inSite = $('rechercheSite');
	var onGoogle = $('rechercheGoogle');

	if(!inSite || !onGoogle)
		return;

	inSite.addEvent('click', changeInput);
	onGoogle.addEvent('click', changeInput);

	displayGoogleImage(onGoogle.checked);




	function changeInput() {
		displayGoogleImage(onGoogle.checked);
	}

});


function onBlurGoogleImage() {
	var onGoogle = $('rechercheGoogle');
	if (!onGoogle)
		return;
	displayGoogleImage(onGoogle.checked) 

}

function displayGoogleImage(val) {

	var searchBox = $('google_search');
	if (!searchBox)
		return;
	if(val && searchBox.value.trim())
		val = 0;
	searchBox.setStyle("background-image", (val == 1 ? 'url('+imgGoogleUrl+')' : 'none'));
}