/////////////////////////////////////////////////////////////////////
//	Copyright (c) 2007 by Convoy Design Ltd. All rights reserved.  //
//	http://www.convoy.co.nz										   //
/////////////////////////////////////////////////////////////////////

function loadCSS(name) { 
	var curSize = getCookie('fontcss');
 	if (curSize == null) curSize = 0; 	
 	setCookie('fontcss', name, 1);
	fontImage(curSize,'out');
	var el = document.getElementById('override').href = 'http://www.eldernet.co.nz/IM_Custom/ContentStore/Layouts/fontsize'+name+'.css'; 	
}

function fontImage(number, type) {
 	//onmouseover="fontImage(1,'over');" onmouseover="fontImage(1,'out');"
 	var curSize = getCookie('fontcss');
 	if (curSize == null) curSize = 0;
 	
 	if (number > 3) {
 		number = 0;
	}	
	
	if (number != curSize.toString() || type == 'init') {
		if (type == 'init') type = 'over';
		
		var img = document.getElementById('FSize'+number);
		if (img != null) {
			if (type == 'over') {
				img.src = "IM_Custom/ContentStore/Layouts/Images/size"+number+"_over.gif";
			} else {
				img.src = "IM_Custom/ContentStore/Layouts/Images/size"+number+".gif";
			}
			
			
		} else {
		}
	} 
}
function setCookie(c_name,value,expiredays) {
	if (c_name != null) {
		var exdate=new Date();
		exdate.setDate(exdate.getDate()+expiredays);
		document.cookie = c_name+ "=" +escape(value) + 
			((expiredays==null) ?"" : ";expires="+exdate.toGMTString())
			+';path=/';
	}
}


function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) { 
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return null;
}