var boutNames = new Array("boutAccueil","boutMonde","boutActivites","boutChevaux","boutContact");
var boutImgs = new Array("images/ui/boutonOver_03.jpg","images/ui/boutonOver_04.jpg","images/ui/boutonOver_05.jpg","images/ui/boutonOver_06.jpg","images/ui/boutonOver_07.jpg");
var activeMenu = "boutAccueil";

function setActiveMenu(bout){
	activeMenu = bout;
	for( var i=0; i<boutNames.length; i++ ){
		if( bout==boutNames[i] ){
			document.getElementById(bout).src = boutImgs[i];
			
		}
	}
}
function switchImg(elemName, src){
	if( !(document.getElementById(elemName)==undefined) && activeMenu!=elemName ){
		document.getElementById(elemName).src = src;
	}
}