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();

/* für Suche */

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);
		
		// von Martin 01.04.2008
		document.getElementById("searchIn").style.visibility = "hidden";
		document.getElementById("searchOutTop").style.visibility = "visible";
		
}

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);
		
		// von Martin 01.04.2008
		document.getElementById("searchIn").style.visibility = "visible";
		document.getElementById("searchOutTop").style.visibility = "hidden";
}

/* Warenkorb */
function slidedown2(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);
        
        // von Martin 06.04.2008
		document.getElementById("pfeilWkOut").style.visibility = "visible";
		document.getElementById("pfeilWkIn").style.visibility = "hidden";
		
		
		
}

function slideup2(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);
		
		document.getElementById("pfeilWkOut").style.visibility = "hidden";
		document.getElementById("pfeilWkIn").style.visibility = "visible";

}

// für Login von Martin
function slidedown3(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);
		
		document.getElementById("pfeilLoginOut").style.visibility = "visible";
		document.getElementById("pfeilLoginIn").style.visibility = "hidden";
		
		
}

function slideup3(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);
		
		document.getElementById("pfeilLoginOut").style.visibility = "hidden";
		document.getElementById("pfeilLoginIn").style.visibility = "visible";

		
}

// für Merkzettel von Martin
function slidedown4(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);
		
		document.getElementById("pfeilMerkOut").style.visibility = "visible";
		document.getElementById("pfeilMerkIn").style.visibility = "hidden";
		
		
}

function slideup4(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);
		
		document.getElementById("pfeilMerkOut").style.visibility = "hidden";
		document.getElementById("pfeilMerkIn").style.visibility = "visible";

		
}

// für Topliste small von Martin
function slidedown5(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);
		
		document.getElementById("pfeilTopOut").style.visibility = "visible";
		document.getElementById("pfeilTopIn").style.visibility = "hidden";
		
		
}

function slideup5(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);
		
		document.getElementById("pfeilTopOut").style.visibility = "hidden";
		document.getElementById("pfeilTopIn").style.visibility = "visible";

		
}


// für Book Guard small von Martin
function slidedown6(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);
		
		document.getElementById("pfeilGuardOut").style.visibility = "visible";
		document.getElementById("pfeilGuardIn").style.visibility = "hidden";
		
		
}

function slideup6(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);
		
		document.getElementById("pfeilGuardOut").style.visibility = "hidden";
		document.getElementById("pfeilGuardIn").style.visibility = "visible";

		
}


// für Schulbuchliste,
function slidedown7(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);
		
		document.getElementById("pfeilSchoolOut").style.visibility = "visible";
		document.getElementById("pfeilSchoolIn").style.visibility = "hidden";
		
		
}

function slideup7(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);
		
		document.getElementById("pfeilSchoolOut").style.visibility = "hidden";
		document.getElementById("pfeilSchoolIn").style.visibility = "visible";

		
}

// für Schulbuchliste,
function slidedown8(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);
		
		document.getElementById("pfeilpInfoOut").style.visibility = "visible";
		document.getElementById("pfeilpInfoIn").style.visibility = "hidden";
		
		
}

function slideup8(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);
		
		document.getElementById("pfeilpInfoOut").style.visibility = "hidden";
		document.getElementById("pfeilpInfoIn").style.visibility = "visible";

		
}


function slideup_ohne(objname,pfeilup,pfeildown){

        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);
        document.getElementById(pfeildown).style.visibility = "hidden";
		document.getElementById(pfeilup).style.visibility = "visible";
}

function slidedown_ohne(objname,pfeilup,pfeildown){

        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(pfeildown).style.visibility = "visible";
		document.getElementById(pfeilup).style.visibility = "hidden";
	
}

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;
}