//Style Sheet Switcher version 1.0 Nov 9th, 2005
//Author: Dynamic Drive: http://www.dynamicdrive.com
//Usage terms: http://www.dynamicdrive.com/notice.htm

function getCookie(Name) { 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
	return document.cookie.match(re)[0].split("=")[1] //return its value
	return null
}

function setCookie(name, value, days) {
	var expireDate = new Date()
	//set "expstring" to either future or past date, to set or delete cookie, respectively
	var expstring=(typeof days!="undefined")? expireDate.setDate(expireDate.getDate()+parseInt(days)) : expireDate.setDate(expireDate.getDate()-5)
	document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}

function deleteCookie(name){
	setCookie(name, "moot")
}

function setStylesheet(title) {
	var i, cacheobj;
	
	_nSelectedFontSize = new Number( title.substring(title.length - 1) );
	
	for(i=0; (cacheobj=document.getElementsByTagName("link")[i]); i++) 
	{
		if(cacheobj.getAttribute("rel").indexOf("style") != -1 && cacheobj.getAttribute("title")) 
		{
			cacheobj.disabled = true
		if(cacheobj.getAttribute("title") == title)
			cacheobj.disabled = false //enable chosen style sheet
		}
	}
}

function chooseStyle(styletitle, days, imageid){

	if (document.getElementById)
	{
		setStylesheet(styletitle)
		setCookie("mysheet", styletitle, days);
		
		SetButton(styletitle);
	}
}

function SetButton(title)
{
	try{
		/*var f =0;
		for(f = 1; f < 5; f ++ )
		{
			var obj = document.getElementById("AccessibilityButton_" + f);
			obj.src = _sBasePath + "/images/menu/font_" + f + ".gif";
			
		}
		*/
		var f =0;
		for(f = 1; f < 5; f ++ )
		{
			var obj = document.getElementById("AccessibilityButton" + f);
			obj.className = "AccessibilityButton";
		}
		
		var num = title.substring(title.length - 1);
		var buttonObj =document.getElementById("AccessibilityButton" + num)
		
		buttonObj.className = "AccessibilityButton_Selected";
				
		//var num = title.substring(title.length - 1);
		
		//document.getElementById("AccessibilityButton_" + num).src = _sBasePath + "/images/menu/font_" + num + "_selected.gif";
	}
	catch(e){}
}

function indicateSelected(element){ //Optional function that shows which style sheet is currently selected within group of radio buttons or select menu 
	var i
	if (selectedtitle!=null && (element.type==undefined || element.type=="select-one"))
	{ //if element is a radio button or select menu
		var element=(element.type=="select-one") ? element.options : element
		for (i=0; i<element.length; i++)
		{
			if (element[i].value==selectedtitle)
			{ //if match found between form element value and cookie value
				if (element[i].tagName=="OPTION") //if this is a select menu
					element[i].selected=true
				else //else if it's a radio button
					element[i].checked=true
				break
			}
		}
	}
}

var _nSelectedFontSize = 0;

function Initiate_Stylesheet()
{
	var selectedtitle = getCookie("mysheet")
	
	if( document.getElementById )
	{
		if (selectedtitle == null) 
		{
			selectedtitle = "style1";
		}
		
		setStylesheet(selectedtitle);
		SetButton( selectedtitle );
	}
}