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 objImages=[];

function slidedown(objname){

        if(moving[objname])
                return;

		iElementId = 'div' + objname;
		if (typeof iElementId == "string" && iElementId.length > 0) {
			var element = document.getElementById(iElementId);
			if (element) {
				if (element.style.display != "none" ){
					return;
				}
			}
		}

		iElementId = 'links' + objname;
		if (typeof iElementId == "string" && iElementId.length > 0) {
			var element = document.getElementById(iElementId);
			if (element) {
				element.src = '/InfocasaEngine/Icons/remove.gif';
			}
		}
        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname);
}

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

		iElementId = 'div' + objname;
		if (typeof iElementId == "string" && iElementId.length > 0) {
			var element = document.getElementById(iElementId);
			if (element) {
				if (element.style.display == "none")
					return;
			}
		}
			
		iElementId = 'links' + objname;
		if (typeof iElementId == "string" && iElementId.length > 0) {
			var element = document.getElementById(iElementId);
			if (element) {
				element.src = '/InfocasaEngine/Icons/add.gif';
			}
		}
		
        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){

		iElementId = 'div' + objname;
		if (typeof iElementId == "string" && iElementId.length > 0) {
			var element = document.getElementById(iElementId);
			if (element) {
				obj[objname] = element;
			}
		}

        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){
	iElementId = 'div' + imgname;
	if (typeof iElementId == "string" && iElementId.length > 0) {
        var element = document.getElementById(iElementId);
        if (element) {
			// div is hidden, so let's slide down
			slidedown(objname);
		}else{
			// div is not hidden, so slide up
			slideup(objname);
		}
	}
}

function toggleSlideImg(objname,imgname,imgIdx){
	iElementId = 'img' + imgname;
	if (typeof iElementId == "string" && iElementId.length > 0) {
        var element = document.getElementById(iElementId);
        if (element) {
			if(element != null) {
				if(element.src != objImages[imgIdx]){
					element.src = objImages[imgIdx];
				}
			}
        } 
    }

	iElementId = 'div' + objname;
	if (typeof iElementId == "string" && iElementId.length > 0) {
        var element = document.getElementById(iElementId);
        if (element) {
				if (element.style.display == "none"){
					slidedown(objname);
				}
				else{
					slideup(objname);
				}
		}
	}

}