/* Toggles Divs Using Appropriate CSS code */

var timerlen = 5;
var slideAniLen = 277;

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

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);

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

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

		startTime[objname] = new Date();
		endHeight[objname] = obj[objname].scrollHeight; 


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

function slidetick(objname){
        var elapsed = ( new Date() - 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";
		else {
                obj[objname].style.display = "block";		
		}

        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]);
		delete(changing[anchor]);

        return;
}

function toggleVisibility(objname){
	var el = document.getElementById(objname);
	if(el.style.display == 'none'){
    slidedown(objname);
  }else{
    slideup(objname);
  }
}

function toggleAnchor(anchor,objname) {
	if(moving[objname])
			return;

	var a = document.getElementById(anchor);
	var x = document.getElementById(anchor);
	if ((a.innerHTML == "show")||(a.innerHTML == "load")) {
		a.innerHTML = "hide";
	} else
/*		a.href = 'http://mistersquid.com/'; */
		a.innerHTML = "show";
}