// JavaScript Document

var timerlen = 5;
var slideAniLen = 250;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();


var oldSlide = new Array();
	oldSlide[0] = 'homeDiv';
	oldSlide[1] = 'chaletDiv';
	oldSlide[2] = 'aboutDiv';
	oldSlide[3] = 'photoDiv';
	oldSlide[4] = 'meribelDiv';
	oldSlide[5] = 'summerDiv';
	oldSlide[6] = 'availDiv';
	oldSlide[7] = 'contactDiv';
	oldSlide[8] = 'linkDiv';

function firstFnctn(objid){
	for (var i = 0; i < oldSlide.length; i++){
		slideup(oldSlide[i]);
	}
	slidedown(objid);
}

function test1(divname) {
	//alert(divname);
	document.getElementById(divname).className='mainNavBot selected';
	//alert(document.getElementById(divname));
	
}
function test2(divname){
	document.getElementById(divname).className='mainNavBot';
	document.getElementById(divname).style.display = '';
}

function slidedown(objname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname);
}

function slideup(objname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){
        obj[objname] = document.getElementById(objname);

        endHeight[objname] = parseInt(obj[objname].style.height);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }

        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
        var elapsed = (new Date()).getTime() - startTime[objname];

        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

                obj[objname].style.height = d + "px";
        }

        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);

        if(dir[objname] == "up")
                obj[objname].style.display = "none";

        obj[objname].style.height = endHeight[objname] + "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);

        return;
}