function writeLayer(ID,parentID,URL)
{
	if (document.layers) {
	var oLayer;
	if(parentID){
	oLayer = eval('document.' + parentID + '.document.' + ID + '.document');
	}else{
	oLayer = document.layers[ID].document;
	}
	oLayer.open();
	oLayer.write(URL);
	oLayer.close();
	}
	else if (parseInt(navigator.appVersion)>=5&&navigator.
	appName=="Netscape") {
	document.getElementById(ID).innerHTML = URL;
	}
	else if (document.all) document.all[ID].innerHTML = URL
}

function showElement(ID)
{
	document.getElementById(ID).style.display='inline';
}

function hideElement(ID)
{
	document.getElementById(ID).style.display='none';
}