/* $Header: /NAA/NAAWeb/Utils.htm 2     20/03/03 7:32a Michaelh $ */ 
function BrowserType() 
{
	var a; 
	a = "" + navigator.appName + "^" + navigator.appVersion; 
	if (a.indexOf("MSIE") != -1) 
		return("I"); 
	else if (a.indexOf("Netscape") != -1) 
		return("N"); 
	else 
	{ 
		window.alert("Browser version not supported"); 
		return("X"); 
	} 
} 

function CheckEmptyFields(strInput) 
{
	var nInput = parseInt(strInput); 
	if (isNaN(nInput)) 
		nInput = 0; 
	return(nInput); 
} 

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); 
}