function xbrowserById(objectId) {
	// cross browser function to getElementById
	if	( document.getElementById && document.getElementById(objectId) ) {
		// W3C DOM
		return document.getElementById(objectId);
	} else if ( document.nativeGetElementById && document.nativeGetElementById(objectId) ) {
		// MSIE 7 && Opera
		return document.nativeGetElementById(objectId);
	} else if ( document.all && document.all(objectId) ) {
		// MSIE 4 DOM
		return document.all(objectId);
	} else {
		return false;
	}
}

var onLayer = '';

function showLayer(layerName){
	//if (onLayer != '') hideLayer(onLayer);
	//document.all[layerName].style.left = "500px";
	if (document.layers) document.layers[''+layerName+''].display = "block"
	else if (document.all) document.all[''+layerName+''].style.display = "block"
	else if (document.getElementById) document.getElementById(''+layerName+'').style.display = "block"	
	//onLayer = layerName
	/* 
		USAGE: onmouseout="hideLayer('id');"
	*/
}
function hideLayer(layerName){
	//document.all[layerName].style.left = "-500px";
	if (document.layers) document.layers[''+layerName+''].display = "none"
	else if (document.all) document.all[''+layerName+''].style.display = "none"
	else if (document.getElementById) document.getElementById(''+layerName+'').style.display = "none"	
	/* 
		USAGE: onmouseout="hideLayer('id');"
	*/
}

function openWin( windowURL, windowName, windowFeatures ) { 
	return window.open( windowURL, windowName, windowFeatures ) ; 
	/* 
		USAGE: href="JavaScript: newWindow = openWin( 'path', 'windowName', 'width=400,height=200,toolbar=0,location=0,directories=0,status=1,menuBar=0,scrollBars=0,resizable=0' ); newWindow.focus()"
	*/
}