function showhide(element){
	e = document.getElementById(element);
	if(e.style.display != 'block'){
		slidedown(element)
	}
	else{
		slideup(element)
	}
	return false;
}


var timerlen = 5;
var slideAniLen = 400;

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]);
				var f =elapsed / slideAniLen;
                if(dir[objname] == "up"){
                        d = endHeight[objname] - d;
						f = 1 - f;}

                obj[objname].style.height = d + "px";
				obj[objname].style.opacity = f;
				obj[objname].style.filter = 'alpha(opacity='+(f*100)+')';
				

        }
				

        return;
}

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

        if(dir[objname] == "up"){
                obj[objname].style.display = "none";
				obj[objname].style.opacity = 0;
				obj[objname].style.filter = 'alpha(opacity='+(0)+')';				
				}
				else{
				obj[objname].style.opacity = 1;
				obj[objname].style.filter = '';
				}

        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 setsearch(search){
sbox=document.getElementById('searchtextbox');
sbox.value=search;
slideup('helper');
ajaxpage(search+'.html','helpbox');
return false;
}