/* $Log: /NAA/Utils.htm $
<p></p>
<p>4     25/05/00 16:28 Gregs</p>
<p>Added Netscape v. 4.73 to list of recognised browsers in BrowserType()</p>
<p></p>
<p>3     8/05/00 15:52 Michaelh</p>
<p>Encode URLs so Netscape can understand provenance links</p>
<p></p>
<p>2     1/05/00 15:21 Michaelh</p>
<p>Initial version</p>
*/
function BrowserType()
{
	var	a;
	
	a = "" + navigator.appName + "^" + navigator.appVersion;
	if (a.indexOf("MSIE 5.5") != -1)
		return("I");
	else if (a.indexOf("MSIE 5.0") != -1)
		return("I");
	else if (a.indexOf("MSIE 4") != -1)
		return("I");
	else if (a.indexOf("Netscape^5.0") != -1)
		return("N");
	else if (a.indexOf("Netscape^4.72") != -1)
		return("N");
	else if (a.indexOf("Netscape^4.73") != -1)
		return("N");
	else if (a.indexOf("Netscape^4.08") != -1)
		return("N");
	else
	{
		window.alert("Browser version not supported");
		return("X");
	}
}

function Disable(obj)
{
	// Disable a text box
	obj.disabled = true;
	if (BrowserType() == "I")
		obj.style.backgroundColor = window.document.bgColor;
}

function Enable(obj)
{
	// Enable a text box
	obj.disabled = false;
	if (BrowserType() == "I")
		obj.style.backgroundColor = "WHITE";
}

function ReplaceSpaces(strInput)
{
	// Replace spaces with +
	strInput = "" + strInput;
	strInput = strInput.replace(/ /g, "+");
	return(strInput);
}

function OpenTop(strDest)
{
	// Open a new document, replacing the whole contents of the current browser
	top.location.href = ReplaceSpaces(strDest);
}

function OpenWindow(strDest)
{
	// Open a new document, replacing the whole contents of the current
	// window. Note that if the window is a frame then the current frame
	// will have its contents replaced.
	window.location.href = ReplaceSpaces(strDest);
}

function OpenFrame(objFrame, strDest)
{
	// Open a new document, replacing the whole contents of the nominated frame.
	// For example, OpenFrame(parent.f1, "x.htm") will replace the contents of the
	// f1 frame with the contents of X.htm. Note that there are no quotes around
	// the first argument, and it must always be preceded by parent.
	objFrame.location.href = ReplaceSpaces(strDest);
}

function NewBrowser(strDest, strName)
{
	// Open a window in a new browser session. strName is a name for the window.
	// The new window is NOT modal.
	window.open(ReplaceSpaces(strDest), strName);
}