//<!--

// BROWSER DETECTION ----------------------------------------------------------
// convert all characters to lowercase to simplify testing
var agt=navigator.userAgent.toLowerCase();

// Note: On IE5, these return 4, so use is_ie5up to detect IE5.
var is_major = parseInt(navigator.appVersion);

var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3    = (is_ie && (is_major < 4));
var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
var is_ie4up  = (is_ie && (is_major >= 4));
var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

// THIS MEANS IT IS ONLY ie 5.x, NO HIGHER
var is_ie5x   = (is_ie5up && !is_ie6up);
// ----------------------------------------------------------------------------

function large() 
{
	active = getActiveStyleSheet();
	if (active==('Large') || active==('Largeie5'))
	{ 
		alert("Large text is already selected. To make text even larger, open the View menu in your browser and select Text Size (for more help see Help page).");
	} 
	else 
	{
		if (is_ie5x)
		{
			setActiveStyleSheet('Largeie5');
		}
		else
		{
			setActiveStyleSheet('Large');
		}
	}   
}

function medium() 
{
	active = getActiveStyleSheet();
	if (active==('Medium') )
	{
		alert("Medium size text is already selected.");
	} 
	else 
	{ 
		setActiveStyleSheet('Medium');
	}
}  
			
function small() 
{
	active = getActiveStyleSheet();
	if (active==('Small') || active==('Smallie5') )
	{
		alert("Small text is already selected. To make text even smaller, open the View menu in your browser and select Text Size (for more help see Help page).");
	} 
	else 
	{ 
		if (is_ie5x)
		{
			setActiveStyleSheet('Smallie5');
		}
		else
		{
			setActiveStyleSheet('Small');
		}
	}
} 
		  
function whiteonblack() 
{
	active = getActiveStyleSheet();
	if (active==('WhiteOnBlack') )
	{
		alert("White on black text is already selected.");
	} 
	else 
	{
		setActiveStyleSheet('WhiteOnBlack');
	}
}  

function whiteonblacksmall() 
{
	active = getActiveStyleSheet();
	if (active==('WhiteOnBlackSmall') || active==('WhiteOnBlackSmallie5'))
	{
		alert("White on black, small text is already selected. To make text even smaller, open the View menu in your browser and select Text Size (for more help see Help page).");
	} 
	else 
	{ 
		if (is_ie5x)
		{
			setActiveStyleSheet('WhiteOnBlackSmallie5');
		}
		else
		{
			setActiveStyleSheet('WhiteOnBlackSmall');
		}
	}
}   
		
function whiteonblacklge() 
{
	active = getActiveStyleSheet();
	if (active==('WhiteOnBlackLarge') || active==('WhiteOnBlackLargeie5'))
	{
		alert("White on black, large text is already selected. To make text even larger, open the View menu in your browser and select Text Size (for more help see Help page).");
	} 
	else 
	{ 
		if (is_ie5x)
		{
			setActiveStyleSheet('WhiteOnBlackLargeie5');
		}
		else
		{
			setActiveStyleSheet('WhiteOnBlackLarge');
		}	
	}
}   
		
function lowglare() {
	active = getActiveStyleSheet();
	if (active==('LowGlare') )
	{
		alert("Low glare text is already selected.");
	} 
	else 
	{ 
		setActiveStyleSheet('LowGlare');
	}
}   
		
function lowglaresmall() 
{
	active = getActiveStyleSheet();
	if (active==('LowGlareSmall') || active==('LowGlareSmallie5'))
	{
		alert("Low glare, small text is already selected. To make text even smaller, open the View menu in your browser and select Text Size (for more help see Help page).");
	} 
	else 
	{ 
		if (is_ie5x)
		{
			setActiveStyleSheet('LowGlareSmallie5');
		}
		else
		{
			setActiveStyleSheet('LowGlareSmall');
		}
	}
}   
		
function lowglarelge() 
{
	active = getActiveStyleSheet();
	if (active==('LowGlareLarge') || active==('LowGlareLargeie5'))
	{
		alert("Low glare, large text is already selected. To make text even larger, open the View menu in your browser and select Text Size (for more help see Help page).");
	} 
	else 
	{ 
		if (is_ie5x)
		{
			setActiveStyleSheet('LowGlareLargeie5');
		}
		else
		{
			setActiveStyleSheet('LowGlareLarge');
		}
	}
}   

function setActiveStyleSheet(title)
{
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++)
	{
		if(a.getAttribute("rel").indexOf("style") != -1 && 
a.getAttribute("title"))
		{
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
	
	// TO FIX ie6 BUG.  SOMETHING NEEDS TO BE WRITTEN 
	// TO THE PAGE FOR THE 
    // BROWSER TO UPDATE THE DISPLAY
	document.ie6BugFix = new Array;
}

function getActiveStyleSheet() 
{
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
	{
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet() 
{
	return ('Small');
}

function createCookie(name,value,days) {
expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}


function readCookie(name) 
{
	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;
}

window.onload = function(e) 
{
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e) 
{
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
if (title == 'null') 
{
	title = getPreferredStyleSheet();
}

setActiveStyleSheet(title);

//--> end hide JavaScript