var ns4=(document.layers)? true:false;
var ns6=(document.getElementById)? true:false;
var ie4=(document.all)? true:false;
var ie5=false;

if(ie4){
	if((navigator.userAgent.indexOf('MSIE 5')> 0)||(navigator.userAgent.indexOf('MSIE 6')> 0)){
		ie5=true;
	}
	if(ns6){
		ns6=false;
	}
}

var popupWin;

function popUp(page, name, details){
	popupWin=window.open(page, name, details);
  popupWin.focus();
	return false;
}

function SetValueAndClose(frm, edt, value){
  eval("window.opener.document.forms['"+frm+"']."+edt+".value='"+value+"'; window.close();");
  return true;
}

function go(href){
  document.location.href=href;
  return true;
}

function goBack(){
  history.back();
  return true;
}

function submitForm(frm){
  frm.submit();
}

function tdMO(e){
	if (!e)	var e=window.event;
	if(e.target) var S = e.target;
	else if(e.srcElement) var S = e.srcElement;

	S.className="menu_over";
	return true;
}

function tdMU(e){
	if (!e)	var e=window.event;
	if(e.target) var S = e.target;
	else if(e.srcElement) var S = e.srcElement;
	
	S.className="menu";
	return true;
}

function dropContent(frm){
  if(confirm("Eliminare il contenuto selezionato?")){
    frm.elements['do'].value='deletecontent';
    frm.submit();
  }
}

function LoadImagePreview(relPath, img){
	document.images['imgPreview'].src = relPath+img;
	return false;
}

function checkBrowser(){
	this.ver=navigator.appVersion;
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5);
	return this;
}

bw=new checkBrowser();

function showHide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0;
	if(obj.visibility=='visible' || obj.visibility=='show') obj.visibility='hidden';
	else obj.visibility='visible';
}

function show(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.visibility='visible';
}

function hide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0;
	obj.visibility='hidden';
}