function createInfoDiv(targetdivid,newdivid,contenu) {
	var div,h1,content1,p,contentp,targetdiv;
	div=document.createElement("div");
	divid=document.createAttribute("id");
	divid.nodeValue=newdivid;
	div.setAttributeNode(divid);
	div.appendChild(contenu);
	targetdiv.appendChild(div);
}

function displayAccueilContenu(id) {
	changeElementBackgroundImg('accueil_contenu','/images/accueil_contenu_'+id+'.png');
	deleteElement('accueil_contenu_text');
	hideAllAccueilContenu();
	displayElement('accueil_contenu_text_'+id);
	copyElement('accueil_contenu_text_'+id,'accueil_contenu_text');
	hideAllAccueilContenu();
}

function deleteElement(parentElementID,toDeleteElementID) {
	parentElement=document.getElementById(parentElementID);
	if(parentElement == null) {
		return;
	}
	toDeleteElement=document.getElementById(toDeleteElementID);
	if(toDeleteElement == null) {
		return;
	}
	parentElement.removeChild(toDeleteElement);
}

function copyElement(sourceElementID,targetElementID,newID) {
	var source,target,copy;
	source=document.getElementById(sourceElementID);
	if(source == null) {
		return;
	}
	copy=source.cloneNode(true);
	copy.setAttribute("id",newID);
	target=document.getElementById(targetElementID);
	target.appendChild(copy);
}

function displayElement(elementID) {
	var element=document.getElementById(elementID);
	if(element == null) {
		return;
	}
	element.style.display="block";
}

function changeElementBackgroundImg(elementID,imageURL) {
	var element=document.getElementById(elementID);
	if(element == null) {
		return;
	}
	element.style.backgroundImage="url('"+imageURL+"')";
}

function hideElement(elementID) {
	var element=document.getElementById(elementID);
	if(element == null) {
		return;
	}
	element.style.display="none";
}

function hideAllSubMenu() {
	var i=1;
	element=document.getElementById("menu_"+i);
	while(element != null) {
		element.style.display="none";
		i++;
		element=document.getElementById("menu_"+i);
	}
}

function hideAllAccueilContenu() {
	var i=1;
	element=document.getElementById("accueil_contenu_text_"+i);
	while(element != null) {
		element.style.display="none";
		i++;
		element=document.getElementById("accueil_contenu_text_"+i);
	}
}