function GetElementsWithClassName(elementName,className) {
	var allElements = document.getElementsByTagName(elementName);
	var elemColl = new Array();
	for (var i = 0; i< allElements.length; i++) {
		if (hasClass(allElements[i], className)) {
			elemColl[elemColl.length] = allElements[i];
		}
	}
	return elemColl;
}

emuHover = function() {
	var menu_bg = document.getElementById("bg_menu"); // Image de fond du menu
	var img_menu = document.getElementById("menu_img"); // Image du menu
	
	var vente_hover = document.getElementById("accu"); // Cas Accueil.
		
		vente_hover.onmouseover=function() {
				menu_bg.className +=" accubgcss";
				img_menu.className +=" accuimgcss";
			}
		vente_hover.onmouseout=function() {
				menu_bg.className=this.className.replace(new RegExp(" accubgcss\\b"), "");
				img_menu.className=this.className.replace(new RegExp(" accuimgcss\\b"), "");
			}

		
	var vente_hover = document.getElementById("vent"); // Cas vente.
		vente_hover.onmouseover=function() {
			menu_bg.className +=" ventebgcss";
			img_menu.className +=" venteimgcss";
		}
		vente_hover.onmouseout=function() {
			menu_bg.className=this.className.replace(new RegExp(" ventebgcss\\b"), "");
			img_menu.className=this.className.replace(new RegExp(" venteimgcss\\b"), "");
		}

	var vente_hover = document.getElementById("loca"); // Cas Location.
		vente_hover.onmouseover=function() {
			menu_bg.className +=" locabgcss";
			img_menu.className +=" locaimgcss";
		}
		vente_hover.onmouseout=function() {
			menu_bg.className=this.className.replace(new RegExp(" locabgcss\\b"), "");
			img_menu.className=this.className.replace(new RegExp(" locaimgcss\\b"), "");
		}
	var vente_hover = document.getElementById("haut"); // Cas Haut de Gamme.
		vente_hover.onmouseover=function() {
			menu_bg.className +=" hautbgcss";
			img_menu.className +=" hautimgcss";
		}
		vente_hover.onmouseout=function() {
			menu_bg.className=this.className.replace(new RegExp(" hautbgcss\\b"), "");
			img_menu.className=this.className.replace(new RegExp(" hautimgcss\\b"), "");
		}
	var vente_hover = document.getElementById("cont"); // Cas Contact
		vente_hover.onmouseover=function() {
			menu_bg.className +=" contbgcss";
			img_menu.className +=" contimgcss";
		}
		vente_hover.onmouseout=function() {
			menu_bg.className=this.className.replace(new RegExp(" contbgcss\\b"), "");
			img_menu.className=this.className.replace(new RegExp(" contimgcss\\b"), "");
		}
}