var timerlen = 10;
var slideAniLen = 500;

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,point){
	//scrolldelay = setTimeout('pageScroll('+10+')',100); 
	//scrolldelay = setTimeout('pageScroll()',100); // scrolls every 100 milliseconds
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none")
		{
			//alert("ddfh");
			
                return; // cannot slide down something that is already visible
		}
        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname,point);
		
}

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

        if(document.getElementById(objname).style.display == "none"){
			//alert("dfh");
                return; // cannot slide up something that is already hidden
		}
        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname,point);
		//alert(point)
}

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

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

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

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

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

function slidetick(objname,point){
        var elapsed = (new Date()).getTime() - startTime[objname];
     // alert(obj[objname].style.width )
        if (elapsed > slideAniLen)
                endSlide(objname,point)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
				
				//alert(d)
                if(dir[objname] == "up"){
                        d = endHeight[objname] - d;
						
				}
                obj[objname].style.width = d + "px";
				//alert(obj[objname].style.width)
				//jumpto(obj[objname].style.width)
        }

        return;
}

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

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

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

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);
window.scroll(point,0);

//jumpto(point);
//jumpto(0);
//alert(point)
//clearTimeout(scrolldelay);

//tostart= setTimeout('jumptostart()',500); // scrolls every 100 milliseconds
        return;
}

function jumptostart(){
//jumpto(0);
clearInterval('jumptostart()');
}