/***********************************************
* Contractible Headers script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
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();

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;
}


function toggleSlide(objname, slideup, slidedown){
	if(document.getElementById(objname).style.display == "none"){
		// div is hidden, so let's slide down
		slidedown(objname);
		}else{
			// div is not hidden, so slide up
			slideup(objname);
			
		}
	}

	function showhide(id,id2){
		if (document.getElementById){
			obj = document.getElementById(id);
			if (obj.style.display == "none"){
				//obj.style.display = "";
				//slidedown(document.getElementById(id2));
				Effect.Appear(document.getElementById(id));
				} else {
					//obj.style.display = "none";
					Effect.Fade(document.getElementById(id));
					//slideup(document.getElementById(id2));
				}
			}
		}