/**
* Styleswitch stylesheet switcher built on jQuery
* Under an Attribution, Share Alike License
* By Kelvin Luck ( http://www.kelvinluck.com/ )
**/

	var btsrc = '';
$(document).ready(function() {
	btsrc = readCookie('imgsrc');
	
	if(!btsrc){
		btsrc = "/eng/src/images/btn_font2.gif";
	}else if(btsrc.indexOf('/eng/',0) == -1){
		btsrc = btsrc.replace('/src/','/eng/src/');
	}
	
	$('#fontSize').attr({src: btsrc});
	
	$('#fontS').click(function(){
		btsrc = "/eng/src/images/btn_font1.gif";
		$('#fontSize').attr({src:"/eng/src/images/btn_font1.gif"});
		createCookie('imgsrc', btsrc, 365);
    });
	$('#fontM').click(function(){
		btsrc = "/eng/src/images/btn_font2.gif";
		$('#fontSize').attr({src:"/eng/src/images/btn_font2.gif"});
		createCookie('imgsrc', btsrc, 365);
    });
	$('#fontL').click(function(){
		btsrc = "/eng/src/images/btn_font3.gif";
		$('#fontSize').attr({src:"/eng/src/images/btn_font3.gif"});
		createCookie('imgsrc', btsrc, 365);
    });	
	
	$('.styleswitch').click(function()
	{
		switchStylestyle(this.getAttribute("rel"));
		return false;		
	});
	var c = readCookie('style');
	if (c) switchStylestyle(c);
});

	
function switchStylestyle(styleName)
{
	$('link[@rel*=style][@title]').each(function(i) 
	{
		this.disabled = true;
		if (this.getAttribute('title') == styleName) this.disabled = false;
	});


	createCookie('style', styleName, 365);
}

// cookie functions http://www.quirksmode.org/js/cookies.html
function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var 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;
}
function eraseCookie(name)
{
	createCookie(name,"",-1);
}
// /cookie functions