function Set_Cookie( name, value, expires, path, domain, secure ) 
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct 
	expires time, the current script below will set 
	it for x number of days, to make it for hours, 
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function Get_Cookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) )
	{
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}


function setTheme(name)
{

	var isSafari = false;
	if (navigator.vendor) {
		if (navigator.vendor.indexOf("Apple") > -1) {
			isSafari = true;
		}
	}

	if (!isSafari) {
		var styles = document.styleSheets;
	} else {
 		var styles = document.getElementsByTagName('LINK');
	}

	for(var i = 0; i < styles.length; ++i)
	{
		var sheet = styles[i];
		if( sheet.title.substr(0, 3) == "th-" )
		{
			if( sheet.title == ("th-" + name ) )
			{
				sheet.disabled = false;
			}	
			else
			{
				sheet.disabled = true;
			}
		}
	}
	Set_Cookie('EquilinkTheme',name,730,"/");
	setDiscTheme(name);
}

function setDiscTheme(name)
{
	var homeDisc = document.getElementById('HomeDisciplines');
	if(homeDisc)
	{
		var soHome = new SWFObject("/swfs/disciplines.swf?theme=" + name.toLowerCase(), "swfhomedisc", 750, 104, "6");
		soAddParams(soHome);
		soHome.write(homeDisc.id);
	}
	
	var subDisc = document.getElementById('dmenu');
	if(subDisc)
	{
		var soSub = new SWFObject("/swfs/disciplines.swf?theme=" + name.toLowerCase(), "swfdisc", 500, 70, "6");
		soAddParams(soSub);
		soSub.write(subDisc.id);
	}
	
	var discimg = document.getElementById('discbg');
	if(discimg)
		discimg.src = '/themes/' + name + '/disciplines.gif';
	discimg = document.getElementById('subdiscbg');
	if(discimg)
		discimg.src = '/themes/' + name + '/subdisc.gif';
}

function soAddParams(o)
{
	o.addParam("wmode","transparent");
	o.addParam("pluginspage","http://www.macromedia.com/go/getflashplayer");
}

// Write out the appropriate styles
var themes = [ 'Western', 'Steel', 'Girls', 'Hero', 'Forest', 'Steril', 'Patriot' ];

function GetAlternate(th)
{
	return (Get_Cookie('EquilinkTheme') == th) ? "" : "alternate ";
}

for(var i = 0; i < themes.length; ++i)
{
	/*
	document.write( '<link title="th-' + themes[i] + '" rel="' + GetAlternate(themes[i]) + 'stylesheet" ' +
		'type="text/css" href="/themes/themestyle.aspx?t=' + themes[i] + ' />\n');
		*/
	var head = document.getElementsByTagName('head')[0];
	if(document.createElement)
	{
		var sheet = document.createElement('LINK');
		sheet.title = 'th-' + themes[i];
		sheet.rel = GetAlternate(themes[i]) + 'stylesheet';
		sheet.type = 'text/css';
		sheet.href = '/themes/themestyle.aspx?t=' + themes[i];
		head.appendChild(sheet);
	}
}