function changeclass(objet, myClass)
{
		objet.className = myClass;
}
function changesurvol(iddiv, myClass)
{
		document.getElementById(iddiv).className = myClass;
}

function changeVisible(input, id, select, nonselect) {
	if (input) {
		element = findObj(id);
		if (element.style.display != select)  element.style.display = select;
	} else {
		element = findObj(id);
		if (element.style.display != nonselect)  element.style.display = nonselect;
	}	
}