function testt(bla) {
	alert(bla);
}

function ge(id) {
	return document.getElementById(id);
}

function popupCentree(page,largeur,hauteur) {
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+",menubar=no,scrollbars=no,statusbar=no");
}

function afficheBulle(id) {
	cacheBulles();
	ge(id).style.display='block';
}
function cacheBulle(id) {
	ge(id).style.display='none';
}

function cacheBulles() {
	bulles = getElementsByClassName(ge('main'),'div','bulle');
	for (i=0; i<bulles.length; i++)
		bulles[i].style.display='none';
}

function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/-/g, "\-");
	var oRegExp = new RegExp("(^|\s)" + strClassName + "(\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}

function backgroundHover(obj,src) {
	obj.src='img/'+src+'_hover.png';
}

function backgroundOut(obj,src) {
	obj.src='img/'+src+'.png';
}