var type='plus';

function visibilite(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	if (targetElement.style.display == "none")
	{
	targetElement.style.display = "" ;
	} else {
	targetElement.style.display = "none" ;
	}
}

function plusmoins()
{
	if(type=='plus') {
		document.getElementById('imgplusmoins').src="images/moins.gif";
		type="moins";
	}
	else {
		document.getElementById('imgplusmoins').src="images/plus.gif";
		type="plus";
	}
}

function affich_ajout_news() {
	
	date= new Date();
	document.getElementById('txtDate').value = date.getDate() + '/' + date.getMonth() + '/' + date.getFullYear();
	document.getElementById('txtHeure').value = date.getHours() + ':' + date.getMinutes() + ':' + date.getSeconds();
	document.getElementById('txtPos').value=1;

	visibilite('add_news');
}

function ajout_balise(baliseDebut, baliseFin, id_div) {

	document.getElementById(id_div).value += "<" + baliseDebut + ">" + "</" + baliseFin + "> ";
	document.getElementById(id_div).focus();
}

function changeContent(idElement, newContent) {

	document.getElementById(idElement).value = newContent;
	document.getElementById(idElement).innerHTML = newContent;
}

function changeContentSubstr(idElement, newContent, nbcar) {

	document.getElementById(idElement).value = newContent.substr(0, nbcar) + "...";
	document.getElementById(idElement).innerHTML = newContent.substr(0, nbcar) + "...";
}

function getElementIndex(tableau, element) {

	var i=0;
	while(tableau[i]!= element && i<tableau.length)
	{
		i++;
	}

	if(tableau[i]==element)
		return i;
	else
		return null;

}