var timerlen = 1;
var slideAniLen = 1;

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 slidedownonly(objname1){
myBody = document.getElementById("ResponseD");
divs = myBody.getElementsByTagName("div");
for(var i=0;i<divs.length;i++){
if (divs[i].id.substr(0,5) == 'descr'){
if (divs[i].id == objname1) { // open my div
var objname = divs[i].id ;
//         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);
   document.getElementById(objname).style.display = "block";
 
}
else{
if(document.getElementById(divs[i].id).style.display != "none"){ // cklose all other
   document.getElementById(divs[i].id).style.display = "none";
//   slideup(divs[i].id);
}}}}}

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;
}