function surgeonRollin(showModule, showImg, hideModule, hideImg) {
		if (document.getElementById) {
			document.getElementById(showModule).style.display = "block";
			document.getElementById(showImg).style.display = "block";		
			document.getElementById(hideModule).style.display = "none";
			document.getElementById(hideImg).style.display = "none";
		}
	}
	function surgeonRollout(showModule, showImg, hideModule, hideImg) {
		
		if (document.getElementById) {
			document.getElementById(showModule).style.display = "none";
			document.getElementById(showImg).style.display = "none";
			document.getElementById(hideModule).style.display = "block";
			document.getElementById(hideImg).style.display = "block";
		}
	}	
	function showEventCalModule(show,hide) {
		if (document.getElementById) {
			document.getElementById(show).style.display = "block";
			document.getElementById(hide).style.display = "none";
		}
	}
	function showDisclaimer(){
		document.getElementById('disclaimerbg').style.visibility="visible";
		document.getElementById('disclaimerContent').style.visibility="visible";
	}
	function hideDisclaimer(){
		document.getElementById('disclaimerbg').style.visibility="hidden";
		document.getElementById('disclaimerContent').style.visibility="hidden";
	}
	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}

	function changeImages() {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
function msgpopup(msg) { //v1.0
  alert('You are about to leave the Stryker Osteosynthesis web site. Regulatory requirements or medical practices may vary from country to country as well as Legal advice and personal data protection. Therefore the information contained in the site your are about to enter may not be appropriate to use in your country. By making use of any such links, you understand that the legal statement and privacy policy on the linked site will apply and which may be different from those of this site.You further acknowledge that Stryker has not reviewed the contents of the linked site for accuracy, completeness or legal compliance and will not assume any responsibility for the contents of the linked site.');
}
<!--
function GetId(id)
{
return document.getElementById(id);
}
var i=false; // La variable i nous dit si la bulle est visible ou non
 
function move(e) {
  if(i) {  // Si la bulle est visible, on calcul en temps reel sa position ideale
    if (navigator.appName!="Microsoft Internet Explorer") { // Si on est pas sous IE
    GetId("curseur").style.left=e.pageX + 10+"px";
    GetId("curseur").style.top=e.pageY + 10+"px";
    }
    else { // Modif proposé par TeDeum, merci à  lui
    if(document.documentElement.clientWidth>0) {
GetId("curseur").style.left=10+event.x+document.documentElement.scrollLeft+"px";
GetId("curseur").style.top=10+event.y+document.documentElement.scrollTop+"px";
    } else {
GetId("curseur").style.left=10+event.x+document.body.scrollLeft+"px";
GetId("curseur").style.top=10+event.y+document.body.scrollTop+"px";
         }
    }
  }
}
 
function montre(text) {
  if(i==false) {
  GetId("curseur").style.visibility="visible"; // Si il est cacher (la verif n'est qu'une securité) on le rend visible.
  GetId("curseur").style.width = text.length*5; // on redimensionne la bulle selon le nombre de caracteres
  GetId("curseur").innerHTML = text; // on copie notre texte dans l'élément html
  i=true;
  }
}
function cache() {
if(i==true) {
GetId("curseur").style.visibility="hidden"; // Si la bulle est visible on la cache
i=false;
}
}
document.onmousemove=move; // dès que la souris bouge, on appelle la fonction move pour mettre à jour la position de la bulle.
//-->
alphabet = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");

function showLetter(letter){
	for(i=0; i<alphabet.length; i++){
	
	GetId(alphabet[i].toUpperCase()).style.visibility="hidden";
	
	}
	GetId("alphabet").style.visibility="hidden";
	GetId(letter).style.visibility="visible";

}