/* Attenzione! Includere anche la funzione zoomimage! */

var defImage = "";

function isMozilla() {
	return (navigator.userAgent.indexOf("Mozilla") == 0);

}

function showRoom(roomName) {
	
	if(defImage == "") defImage = document.getElementById("roomImage").src;
    document.getElementById(roomName + "_container").style.backgroundImage = "url('" + document.getElementById(roomName + "_sel").src + "')";
	document.getElementById("defaultText").style.visibility="hidden";
	document.getElementById("roomText_" + roomName).style.visibility = "visible";
	document.getElementById(roomName + "_title").style.backgroundColor = "#b6fea8";
	var newSrc;

	if(!isMozilla() && document.getElementById(roomName + "_sel").style.filter != "") {
	//if(isExplorer()) {
		newSrc = document.getElementById(roomName + "_sel").style.filter;
		var pos = newSrc.indexOf("src='") + 5;
		newSrc = newSrc.substr(pos, newSrc.length - pos);
		pos = newSrc.indexOf("'") ;
		newSrc = newSrc.substr(0, pos);
	} else {
        newSrc = document.getElementById(roomName + "_sel").src;
    }	
        
	//alert(newSrc);
	newSrc = newSrc.replace("sel.gif", "image.jpg");
	newSrc = newSrc.replace("sel.png", "image.jpg");
	newSrc = newSrc.replace("sel.jpg", "image.jpg");
	document.getElementById("roomImage").src=newSrc;

}

function hideRoom(roomName) {
	var transparentGif = "http://" + location.host + "/corefiles/images/transparent.gif";
	
	document.getElementById(roomName + "_container").style.backgroundImage = "url('" + transparentGif + "')";
	document.getElementById("roomText_" + roomName).style.visibility = "hidden";
	document.getElementById("defaultText").style.visibility="visible";
	document.getElementById(roomName + "_title").style.backgroundColor = "";
	
	/* L'immagine di default viene rimpostata solo se l'immagine non è massimizzata. */
	if(document.getElementById("roomImage").src.indexOf("image_big.jpg") == -1)
		document.getElementById("roomImage").src=defImage;

}