function toggle(obj){
	var imgid;
	imgid = "arw_" + obj;

	if (document.getElementById(obj).style.display == "block"){
		document.getElementById(obj).style.display = "none";
		if(obj.indexOf("item") == -1)
		document.getElementById(imgid).src = "http://www.emtf.se/bilder/arrow_right.gif";
		else if (obj.indexOf("item") > -1 && obj.indexOf("body") > -1)
		document.getElementById(imgid).src = "http://www.emtf.se/bilder/plus.gif";
	}
	else{
		document.getElementById(obj).style.display = "block";
		if(obj.indexOf("item") == -1)
		document.getElementById(imgid).src = "http://www.emtf.se/bilder/arrow_down.gif";
		else if (obj.indexOf("item") > -1 && obj.indexOf("body") > -1)
		document.getElementById(imgid).src = "http://www.emtf.se/bilder/minus.gif";
	}
}