/* *******************
*** NAVIAGTION
******************* */
function toggleEpand(idContent) {
	var styleContent = getStyleObj(idContent);
	if ( styleContent.display == "none" ) {
		styleContent.display = "block";
	} else {
		styleContent.display = "none";
	}
}
/* *******************
*** GENERAL
******************* */
function getObj(objectId) {
	if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		return document.getElementById(objectId);
	} else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		return document.all(objectId);
	} else if (document.layers && document.layers[objectId]) {
		// NN 4 DOM.. note: this won't find nested layers
		return document.layers[objectId];
	} else {
		return null;
	}
}
function getStyleObj(objectId) {
	var o = getObj(objectId);
	if (o!=null && (document.getElementById || document.all)) { return o.style; }
	else if (o!=null) { return o; }
}