var timerlen = 5;
var slideAniLen = 500;

function $(id) { return document.getElementById(id);} 

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 slide(objname){
	slideup('div1');slideup('div2');slideup('div3');slideup('div4');slideup('div5');
	if(objname=="clear"){return;}
	if( $(objname).style.display == "none"){slidedown(objname);}else{slideup(objname);}		
}
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]);
                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;
}
function getElementsByClassName(node, classname){
    var a = [];
    var re = new RegExp('\\b' + classname + '\\b');
    var els = node.getElementsByTagName("*");
    for(var i=0,j=els.length; i<j; i++)
        if(re.test(els[i].className))a.push(els[i]);
    return a;
}
function sFAQ(id){if( $(id).style.display=="none" ){changeObjectProperty(id, 'display','block');}else{changeObjectProperty(id, 'display','none');}}
function showWhich(x){
	var shown = getElementsByClassName($(x).parentNode.parentNode.parentNode.parentNode.parentNode, 'carrotshow'), toShow = $(x);
	for(var i = 0; i < shown.length; i++){shown[i].className = 'carrothidden';}
	toShow.className = 'carrotshow';
}
function nvp_struct(){
		var args = nvp_struct.arguments;
		this.nvp_qvpair = args[0];
		this.nvp_var = args[1];
		this.nvp_value = args[2];
}

var nvp_array = new Array;
function nvp_parse(){
	var querystring = location.search; nvp = querystring.indexOf('&'); searchstring = "true"; prev_nvp = 1; x = 0;
	do {
	if (nvp == -1){nvp = querystring.length; searchstring = "false";}
	var nvp_qvpair = querystring.substring(prev_nvp, nvp); nvp_var = nvp_qvpair.substring(0, nvp_qvpair.indexOf('=')); nvp_value = nvp_qvpair.substring(nvp_qvpair.indexOf('=')+1);
	nvp_array[x] = new nvp_struct(nvp_qvpair,nvp_var,nvp_value); querystring = querystring.substring(nvp + 1,querystring.length);
	if(querystring == null){searchstring = "false"} else {var prev_nvp = 0;		nvp = querystring.indexOf('&');		x++;}
	} while (searchstring == "true")
}

function nvp_get(){
	var args = nvp_get.arguments; nvpsearch = args[0]; nvpvalue = "noval"; nvp_length = nvp_array.length;
	for (var x = 0; x != nvp_length; x++){
		if(nvp_array[x].nvp_var == nvpsearch){nvpvalue = nvp_array[x].nvp_value};
	}
return nvpvalue;
}

function getStyleObject(objectId) {
	if(document.getElementById && document.getElementById(objectId)) {
	return document.getElementById(objectId).style;
	} else if (document.all && document.all(objectId)) {
	return document.all(objectId).style;
	} else if (document.layers && document.layers[objectId]) {
	return document.layers[objectId];
	} else {
	return false;
	}
}

function changeObjectProperty(objectId, cssProperty, newValue) {
	var styleObject = getStyleObject(objectId);
	if(styleObject) {
	eval("styleObject."+cssProperty+" = newValue");
	return true;
	} else {
	return false;
	}
}