/*
---------------------------------------------------------------------------
Browser type determination (JCR: logic is copied as is from showhide.js
but seems oddly structured at the least and possibly incorrect)
---------------------------------------------------------------------------
*/
var browserType;

if (document.layers) 
	{
	browserType = "nn4";
	}
if (document.all)
	{
	browserType = "ie";
	}
if (window.navigator.userAgent.toLowerCase().match("gecko"))
	{
	browserType= "gecko";
	}

/*	
---------------------------------------------------------------------------
NAME:			goToFormField
PARAMETERS:		sFormName - form name
				sField - field name
DESCRIPTION:	set focus to the given form element
--------------------------------------------------------------------------
*/
function goToFormField(sFormName,sField) 
	{
	try
		{
		document[sFormName][sField].focus();
		}
	catch(err)
		{
		}
	}	

/*****************************************************************************
BEGIN-SECTION: show/hide
*****************************************************************************/
/*
---------------------------------------------------------------------------
NAME:			getPopped
PARAMETERS:		sLayer - div name
DESCRIPTION:	sets given div to document.poppedLayer as appropriate
				for browser type
--------------------------------------------------------------------------
*/
function getPopped(sLayer) 
	{
	try
		{	
		if (browserType == "gecko" )
			{
			document.poppedLayer = eval('document.getElementById(sLayer)');
			}
		else if (browserType == "ie")
			{
			document.poppedLayer = eval('document.all[sLayer]');
			}
		else
			{
			document.poppedLayer = eval('document.layers[sLayer]');
			}
		}
	catch(err)
		{
		}
	}
/*
---------------------------------------------------------------------------
NAME:			hide
PARAMETERS:		sDiv - div name
DESCRIPTION:	hides the given div
--------------------------------------------------------------------------
*/
function hide(sDiv)
	{
	try
		{
		getPopped(sDiv);
		if ( !document.poppedLayer || !document.poppedLayer.style )
			{
			return;
			}

		document.poppedLayer.style.visibility = "hidden";
		document.poppedLayer.style.display = "none";
		}
	catch(err)
		{
		}
	}

/*
---------------------------------------------------------------------------
NAME:			show
PARAMETERS:		sDiv - div name
DESCRIPTION:	shows the given div
--------------------------------------------------------------------------
*/
function show(sDiv)
	{
	try
		{
		getPopped(sDiv)
		if ( !document.poppedLayer || !document.poppedLayer.style )
			{
			return;
			}

		document.poppedLayer.style.visibility = "visible";
		document.poppedLayer.style.display = "block";
		}
	catch(err)
		{
		}
	}
/*****************************************************************************
END-SECTION: show/hide
*****************************************************************************/

/*****************************************************************************
BEGIN-SECTION: Cookie Management
*****************************************************************************/
/*
---------------------------------------------------------------------------
NAME:			createCookie
PARAMETERS:		name - name for the cookie
				value - value for the cookie
				days - days to cookie expiration
DESCRIPTION:	creates a cookie with the given name value and days until
				expiration
NOTE:			to erase a cookie, pass the name, with an empty value
				and -1 days
--------------------------------------------------------------------------
*/
function createCookie(name,value,days)
	{
	try 
		{
		var expires = "";
		if (days)
			{
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
			}
		var ck = name+"="+value+expires+"; path=/";
		document.cookie = ck;
		}
	catch(err)
		{
//		alert(err.description);
		}
	}

/*
---------------------------------------------------------------------------
NAME:			readCookie
PARAMETERS:		name - name of the cookie to read
DESCRIPTION:	reads the value for the given cookie
---------------------------------------------------------------------------
*/
function readCookie(name)
	{
	try 
		{
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i<ca.length;i++)
			{
			var c = ca[i];
			while (c.charAt(0)==' ')
				{
				c = c.substring(1,c.length);
				}

			if (c.indexOf(nameEQ) == 0)
				{
				return c.substring(nameEQ.length,c.length);
				}
			}
		return null;
		}
	catch(err)
		{
//		alert(err.description);
		}
	}

/*
---------------------------------------------------------------------------
NAME:			eraseCookie
PARAMETERS:		name - name of the cookie to erase
DESCRIPTION:	erases a cookie
---------------------------------------------------------------------------
*/
function eraseCookie(name)
	{
	try 
		{
		createCookie(name,"",-1);
		}
	catch(err)
		{
//		alert(err.description);
		}
	}
/*****************************************************************************
END-SECTION: Cookie Management
*****************************************************************************/

/*****************************************************************************
BEGIN-SECTION: Image Swap
*****************************************************************************/
function MM_swapImgRestore() 
	{ //v3.0
	try 
		{
		var i,x,a=document.MM_sr;
		for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) 
			{
			x.src=x.oSrc;
			}
		}
	catch(e) 
		{
		}
	}

function MM_preloadImages() 
	{ //v3.0
	try 
		{
		var d=document; 
		if(d.images)
			{ 
			if(!d.MM_p) 
				{
				d.MM_p=new Array();
				}
			var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
			for(i=0; i<a.length; i++)
				{
				if (a[i].indexOf("#")!=0)
					{
					d.MM_p[j]=new Image;
					d.MM_p[j++].src=a[i];
					}
				}
			}
		}
	catch(e) 
		{
		}
	}

function MM_findObj(n, d) 
	{ //v4.01
	try 
		{
		var p,i,x;
		if(!d) 
			{
			d=document;
			}
		if((p=n.indexOf("?"))>0&&parent.frames.length)
			{
			d=parent.frames[n.substring(p+1)].document; 
			n=n.substring(0,p);
			}
		if(!(x=d[n])&&d.all) 
			{
			x=d.all[n];
			}
		for (i=0;!x&&i<d.forms.length;i++)
			{
			x=d.forms[i][n];
			}
		for(i=0;!x&&d.layers&&i<d.layers.length;i++)
			{
			x=MM_findObj(n,d.layers[i].document);
			}
		if(!x && d.getElementById)
			{
			x=d.getElementById(n);
			}			
		return x;			
		}
	catch(e) 
		{
		}
	}

function MM_swapImage() 
	{ //v3.0
	try 
		{
		var i,j=0,x,a=MM_swapImage.arguments;
		document.MM_sr=new Array;
		for(i=0;i<(a.length-2);i+=3)
			{
			if ((x=MM_findObj(a[i]))!=null)
				{
				document.MM_sr[j++]=x; 
				if(!x.oSrc)
					{
					x.oSrc=x.src;
					}
				x.src=a[i+2];
				}
			}
		}
	catch(e) 
		{
		}
	}
/*****************************************************************************
END-SECTION: Image Swap
*****************************************************************************/