/**
 * @author davereid
 */
function init_font_size()
{
	var ps = get_cookie('page_size');
	var obj;
	switch(ps)
	{
	case '.9':
		obj = document.getElementById('s1');
		obj.className = obj.id + ' ' +'active';
	break;
	case  '1':
		obj = document.getElementById('s2');
		obj.className = obj.id + ' ' +'active';
	break;
	case '1.1':
		obj = document.getElementById('s3');
		obj.className = obj.id + ' ' +'active';
	break;
	default:
		obj = document.getElementById('s2');
		obj.className = obj.id + ' ' +'active';
	
	}
	
}

function set_font_size(name, value, days,obj){
	var s1 = document.getElementById('s1');
	var s2 = document.getElementById('s2');
	var s3 = document.getElementById('s3');
	s1.className = 's1';
	s2.className = 's2';
	s3.className = 's3';
	obj.className = obj.id + ' ' +'active';
	set_cookie(name,value,days);
	
}
function set_cookie(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 get_cookie(name) {
    var name_eq = 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(name_eq) == 0) return c.substring(name_eq.length,c.length);
    }
    return null;
}


if(get_cookie("page_size") != null){  

    document.write('<style>');
    document.write('body{');
    document.write('font-size:'+ get_cookie("page_size") + 'em');
    document.write('}');
    document.write('</style>');
	
}else{
    document.write('<style>');
    document.write('body{');
    document.write('font-size: 1em');
    document.write('}');
    document.write('</style>');
}