parent.navigationOld 	= "";
parent.contenuOld 		= "";
	
function goLoad(scr1, scr2) {
	// stock current content for goBack method
	parent.navigationOld 	= parent.navigation.location.toString();
	
	// j'enlève les caractères aprés adresse ex : ?asp=null
	parent.contenuOld 		= parent.contenu.location.toString();
	var eraseCarac 			= parent.contenuOld.split('?');
	parent.contenuOld 		= eraseCarac[0];
	
	// set new content
	parent.navigation.location 	= scr1;
	parent.contenu.location 	= scr2;
}

function goBack () {
	parent.navigation.location 	= parent.navigationOld;
	parent.contenu.location 	= parent.contenuOld;
}