// JavaScript Document

function rollOver(element){
	oldSrc = document.getElementById(element).src;
	if(oldSrc.search('_on')==-1){
		newSrc = oldSrc.substring(0,oldSrc.length - 4) + '_on.gif';
		document.getElementById(element).src = newSrc;
	}
}

function rollOut(element){
	oldSrc = document.getElementById(element).src;
	if(oldSrc.search('_on')!=-1){
		newSrc = oldSrc.substring(0,oldSrc.length - 7) + '.gif';
		document.getElementById(element).src = newSrc;
	}
}

function popupcentree(page,largeur,hauteur,options) {
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
} 

function soundpopup(page,largeur,hauteur,options) {
	var top=screen.height-hauteur;
	var left=screen.width-largeur;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}