/* Ajoute la pseudo methode hover sur un élément, via CSS, utilise la classe CSS .hover */
		function addHover(elm) {
			elm.style.behavior = " ";
			if (document.all && window.print && /MSIE [56]/.test(navigator.userAgent)) {
					elm.style.behavior = " ";
					elm.onmouseenter = function() {
						this.className+= ' hover';
					}
					elm.onmouseleave = function() {
						this.className = this.className.replace(/\bhover\b/,"" );
					}
			}
		}