jacl.addPostCreationStep(CMResetControlAppearance);

function CMRestoreSavedLayout(){
    var cookie = readCookie("CMLayoutIsExpanded");
    if(cookie==1)
        CMExpandPageLayout();
    else
        CMCollapsePageLayout();
}
function CMIsExpanded(){
    if(document.body.className=='CMLayoutExpanded') return 1;
    return 0;
}
function CMTogglePageLayout(){
    if(CMIsExpanded())
        CMCollapsePageLayout();
    else
        CMExpandPageLayout();
}

function CMResetControlAppearance(){
    _ctl=document.getElementById('CMLayoutExpandControl');

    if(_ctl){
        _pref = _ctl.src.substring(0, _ctl.src.indexOf('/CMLayout') + 9);
        if(CMIsExpanded())
            _ctl.src=_pref+"Fixed.png"; //if currently expanded, show "fixed" on the toggle button
        else
            _ctl.src=_pref+"Expanded.png"; //and vice-versa
    }

}
function CMExpandPageLayout(){
    document.body.className='CMLayoutExpanded';
    CMResetControlAppearance();
    createCookie("CMLayoutIsExpanded",1,999);
}
function CMCollapsePageLayout(){
    document.body.className='CMLayoutFixed';
    CMResetControlAppearance();
    createCookie("CMLayoutIsExpanded",0,999);
}
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 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;
}