function getElementsByClassName(classname, node) {

      if(!node) node = document.getElementsByTagName("body")[0];

      var a = [];

      var re = new RegExp('\\b' + classname + '\\b');
      var els = node.getElementsByTagName("*");
      for(var i=0,j=els.length; i<j; i++)
      if(re.test(els[i].className))a.push(els[i]);
      return a;
      }
		
		var lastli = "";
		
function setMenu(li) {
	getElementsByClassName('menu_m', li)[0].style.background = "url(images/menu/menu-ar-over.gif) repeat-x";
	getElementsByClassName('menu_sep', li)[0].style.background = "url(images/menu/menu-g-over.gif) no-repeat";
	document.getElementById('dessous_menu').style.display = "block";
}

function setBandeau(li) {
	getElementsByClassName('menu_m', document.getElementById('menu_services'))[0].style.background = "url(images/menu/menu-ar-out.gif) repeat-x";
	getElementsByClassName('menu_sep', document.getElementById('menu_services'))[0].style.background = "url(images/menu/menu-g-out.gif) no-repeat";
	document.getElementById('dessous_menu').style.display = "none";
}

function setMenuPages(li) {
	getElementsByClassName('menu_m', li)[0].style.background = "url(images/menu/menu-ar-over.gif) repeat-x";
	getElementsByClassName('menu_sep', li)[0].style.background = "url(images/menu/menu-g-over.gif) no-repeat";
	document.getElementById('dessous_menu_pages').style.display = "block";
}

function setBandeauPages(li) {
	getElementsByClassName('menu_m', document.getElementById('menu_services'))[0].style.background = "url(images/menu/menu-ar-out.gif) repeat-x";
	getElementsByClassName('menu_sep', document.getElementById('menu_services'))[0].style.background = "url(images/menu/menu-g-out.gif) no-repeat";
	document.getElementById('dessous_menu_pages').style.display = "none";
}

function rubriqueOver(a, num) {
	getElementsByClassName('rubrique_titre', a)[0].style.color = "#B9052A";
	if(num == 1) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/conception-vig-over.jpg";
	}
	else if(num == 2) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/referencement-vig-over.jpg";
	}
	else if(num == 3) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/hosting-vig-over.jpg";
	}
	else if(num == 4) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/applic-vig-over.jpg";
	}
	else if(num == 5) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/syst-vig-over.jpg";
	}
	else if(num == 6) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/voip-vig-over.jpg";
	}
}

function rubriqueOut(a, num) {
	getElementsByClassName('rubrique_titre', a)[0].style.color = "black";
	if(num == 1) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/conception-vig.jpg";
	}
	else if(num == 2) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/referencement-vig.jpg";
	}
	else if(num == 3) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/hosting-vig.jpg";
	}
	else if(num == 4) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/applic-vig.jpg";
	}
	else if(num == 5) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/syst-vig.jpg";
	}
	else if(num == 6) {
		getElementsByClassName('rubrique_img',a)[0].src = "images/accueil/voip-vig.jpg";
	}
}

function servicesOver(a) {
	getElementsByClassName('menu_serv', a)[0].style.background = "url(../images/commun/menu_pages_services_over.gif) repeat-x";
	getElementsByClassName('menu_serv', a)[0].style.color = "#BD0926";
}

function servicesOut(a) {
	getElementsByClassName('menu_serv', a)[0].style.background = "url(../images/commun/menu_pages_services.gif) repeat-x";
	getElementsByClassName('menu_serv', a)[0].style.color = "#878686";
}

function texteBlack(a) {
	a.style.color= "#585858";
}
function texteGray(a) {
	a.style.color= "gray";
}

function preload_img() {
	var args = preload_img.arguments;
	imgs = new Array();
	for(x=0; x<  args.length; x++) {
		imgs[x] = new Image();
		imgs[x].src = args[x];
	}
}