// FSCommand functions ////////////////////////////////////////////////////////
function home_DoFSCommand(command, args)
{
    if( command == "open" )
        changePage("home");
}
///////////////////////////////////////////////////////////////////////////////

// Cookie functions ///////////////////////////////////////////////////////////
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);
}
///////////////////////////////////////////////////////////////////////////////

// Page functions /////////////////////////////////////////////////////////////
function change_page(pageId)
{
		var prevPageId = readCookie("pageId");
		if(pageId != prevPageId)
		{
    	createCookie("pageId",pageId,2);
    	if(pageId == "tycka")
    		parent.mainFrame.location = "/scripts/review.php";
	    else
	    {
	    	if(prevPageId == "tycka")
	    		parent.mainFrame.location = "/catalog/index.php";
	    	visible_page();
	    }
	   }
}

function visible_page()
{
    var pageId = readCookie("pageId");
    if ( pageId == null )
    {
        pageId = "home";
    }
    
    var Page = document.getElementById("content").firstChild;
	do {
		if(Page.className == "page") {
			Page.style.display = (Page.id == pageId) ? "block" : "none";
		}
	}
	while (Page = Page.nextSibling);
}
///////////////////////////////////////////////////////////////////////////////