function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function storeCaret (elemento) 
{ 
  if (document.forms[0].elements[elemento].createTextRange) {
  document.forms[0].elements[elemento].caretPos = document.selection.createRange().duplicate(); }
} 

function insertAtCaret (text,elemento) 
{ 
  if (document.forms[0].elements[elemento].createTextRange && document.forms[0].elements[elemento].caretPos) { 
    var caretPos = document.forms[0].elements[elemento].caretPos; 
    caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text; 
  } 
  else 
    document.forms[0].elements[elemento].value = text;
} 

function seltext() 
{ 
  if (document.getSelection) 
  { 
    var str = document.getSelection(); 
  } 
  else if (document.selection && document.selection.createRange) 
  { 
    var range = document.selection.createRange(); 
    var str = range.text; 
  } 
  else 
  { 
    var str = ""; 
  } 
  return str; 
} 

function docmd(comm,elemento) { 
  switch (comm) { 
    case "ACapo": 
      if (seltext()=="") 
        insertAtCaret("<br>\n",elemento); 
      break; 
    case "Grass" : 
      if (seltext()!="") 
        insertAtCaret("<b>" + seltext() + "</b>",elemento); 
      break; 
    case "Italic" : 
      if (seltext()!="") 
        insertAtCaret("<em>" + seltext() + "</em>",elemento); 
      break; 
    case "Under" : 
      if (seltext()!="") 
        insertAtCaret("<u>" + seltext() + "</u>",elemento); 
      break; 
    case "Barrato" : 
      if (seltext()!="") 
        insertAtCaret("<s>" + seltext() + "</s>",elemento); 
      break; 
    case "Link" : 
      if (seltext()!="") { 
//        value=prompt("Inserisci l'indirizzo di destinazione completo di http:// nella casella sottostante",""); 
        insertAtCaret("<a href='http://" + seltext() + "' target='_blank'>" + seltext() + "</a>",elemento);} 
      break; 
    case "Email" : 
      if (seltext()!="") { 
//        value=prompt("Inserisci l'indirizzo di destinazione completo di http:// nella casella sottostante",""); 
        insertAtCaret("<a href='mailto:" + seltext() + "'>" + seltext() + "</a>",elemento);} 
      break; 
    case "Link2" : 
      if (seltext()!="") { 
        value=prompt("Inserisci l'indirizzo di destinazione completo di http:// nella casella sottostante",""); 
        insertAtCaret("<img src='img/bull.gif'><a href='" + value + "' target='_blank'> " + seltext() + "</a>",elemento);} 
      break; 
    case "Immagine" : 
      if (seltext()=="") 
        insertAtCaret("<img>",elemento); 
      break; 
    default : 
      break; 
  } 
} 

function PopUp(mypage,myname,w,h,scroll)
{
	width = screen.width; 
	height = screen.height;
	LeftPosition = (width-w)/2;
	TopPosition = 120;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',noresizable'
	win = window.open(mypage,myname,settings)
	if(win.window.focus){win.window.focus();}
}