// JavaScript Document

var timerlen = 1;
var slideAniLen =250;

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

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 slideOut(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] = "out";
        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 slideIn(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] = "in";
        startslide(objname);
}

function startslide(objname){
        obj[objname] = document.getElementById(objname);
		//container =document.getElementById('mainPain');
		
        endHeight[objname] = parseInt(obj[objname].style.height);
		if(dir[objname]=='up'){
		if(!endHeight[objname]) {
			endHeight[objname]=obj[objname].offsetHeight;
			obj[objname].style.height=obj[objname].offsetHeight;
		}}
		endWidth[objname] = parseInt(obj[objname].style.width);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }
		else if(dir[objname] == "out"){
                obj[objname].style.width = "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 {
                
                if(dir[objname] == "up"){
										var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                        d = endHeight[objname] - d;
						if(d>0) {
								obj[objname].style.height = d + "px";
							} else  endSlide(objname);
				}
				if(dir[objname] == "down"){
					var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                       	obj[objname].style.height = d + "px";
				}
				if(dir[objname] == "in"){
					var d =Math.round(elapsed / slideAniLen * endWidth[objname]);
                        d = endWidth[objname] - d;
							if(d>0) {
								obj[objname].style.width = d + "px";
							//container.style.marginLeft= d + 1 + "px";
							} else  endSlide(objname);
							
					}
				if(dir[objname] == "out") {
					var d =Math.round(elapsed / slideAniLen * endWidth[objname]);
							obj[objname].style.width = d + "px";
							//container.style.marginLeft= d + 1 + "px";
							if(d>180) endSlide(objname);
										}
        }

        return;
}

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

        if(dir[objname] == "up"){
                obj[objname].style.display = "none";
		        obj[objname].style.height = endHeight[objname] + "px";
		}
		
		  if(dir[objname] == "down"){
		        obj[objname].style.height = endHeight[objname] + "px";
		}
		
		if(dir[objname] == "in") {
                obj[objname].style.display = "none";
				//container.style.marginLeft="0px";
		}
		if(dir[objname] == "out") {
                obj[objname].style.width = "180px";
				//container.style.marginLeft="181px";
		}


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