function donothing() { }

function getRefToDiv(divID,oDoc) {
	if( document.getElementById ) { return document.getElementById(divID); }
	if( document.all ) { return document.all[divID]; }
	if( !oDoc ) { oDoc = document; }
	if( document.layers ) {
		if( oDoc.layers[divID] ) {
			return oDoc.layers[divID];
		} else {
			for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) {
				y = getRefToDiv(divID,oDoc.layers[x].document);
			}
			return y;
		}
	}
	return false;
}

function rwDiv(divID_as_a_string, string_to_be_rewritten) {
	
var myReference = getRefToDiv(divID_as_a_string);
	
if( !myReference ) { window.alert('Nothing works in this browser'); return; }
	if( myReference.innerHTML ) { myReference.innerHTML = string_to_be_rewritten } else {
		if( myReference.document && myReference.document != window.document ) {
			myReference.document.open();
			myReference.document.write( string_to_be_rewritten );
			myReference.document.close();
		} else {
			window.alert('Your browser does not allow the contents to be re-written.\nI have not implemented an iframe here.\nSee my generic re-writable elements example for how this should be done.'); return; }
    }
}

function loadIframe(iframeName, url) {
    if ( window.frames[iframeName] ) {
        window.frames[iframeName].location = url;   
        return false;
    }
    return true;
}