var rng;
var currentRTE;
var isIE;
var isGecko;
var isSafari;
var isKonqueror;

	var ua = navigator.userAgent.toLowerCase();
	isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1)); 
	isGecko = (ua.indexOf("gecko") != -1);
	isSafari = (ua.indexOf("safari") != -1);
	isKonqueror = (ua.indexOf("konqueror") != -1);

function Eseguicmd(comando, opt, dest){
   eval(dest).document.execCommand(comando, true, opt)
   eval(dest).document.execCommand(comando, true, opt)
   //document.execCommand('Unselect')
	eval(dest).document.focus()
}

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 foreColor(dest)
	{
	var arr = showModalDialog("te_selcolor.asp","","font-family:Verdana; font-size:12; dialogWidth:295px; dialogHeight:140px" );
	if (arr != null) Eseguicmd("ForeColor",arr,dest);	
	}

function button_over(eButton)
	{
	eButton.style.backgroundColor = "#B5BDD6";
	eButton.style.borderColor = "darkblue darkblue darkblue darkblue";
	}
function button_out(eButton)
	{
	eButton.style.backgroundColor = "threedface";
	eButton.style.borderColor = "threedface";
	}
function button_down(eButton)
	{
	eButton.style.backgroundColor = "#8494B5";
	eButton.style.borderColor = "darkblue darkblue darkblue darkblue";
	}
function button_up(eButton)
	{
	eButton.style.backgroundColor = "#B5BDD6";
	eButton.style.borderColor = "darkblue darkblue darkblue darkblue";
	eButton = null; 
	}
	
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function selectFont(rte, selectname) {
	var idx = document.getElementById(selectname).selectedIndex;
	if (idx != 0) {
		var selected = document.getElementById(selectname).options[idx].value;
		var cmd = selectname.replace('_' + rte, '');
		salva_eseguicmd(rte, cmd, selected);
		document.getElementById(selectname).selectedIndex = 0;
	}
}
function salva_eseguicmd(rte, command, option) {
	var oRTE;
	if (document.all) {
		oRTE = frames[rte];
	} else {
		oRTE = document.getElementById(rte).contentWindow;
	}
	
	try {
		oRTE.focus();
	  	oRTE.document.execCommand(command, false, option);
		oRTE.focus();
	} catch (e) {
	alert(e);
//	setTimeout("salva_eseguicmd('" + rte + "', '" + command + "', '" + option + "');", 10);
	}
}
function stripHTML(oldString) {
	//function to strip all html
	var newString = oldString.replace(/(<([^>]+)>)/ig,"");
	
	//replace carriage returns and line feeds
   newString = newString.replace(/\r\n/g," ");
   newString = newString.replace(/\n/g," ");
   newString = newString.replace(/\r/g," ");
	
	//trim string
	newString = trim(newString);
	
	return newString;
}

function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") return inputString;
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
	
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length - 1, retValue.length);
	
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length - 1);
      ch = retValue.substring(retValue.length - 1, retValue.length);
   }
	
	// Note that there are two spaces in the string - look for multiple spaces within the string
   while (retValue.indexOf("  ") != -1) {
		// Again, there are two spaces in each of the strings
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length);
   }
   return retValue; // Return the trimmed string back to the user
}
function popUpWin (url, win, width, height, options) {
	var leftPos = (screen.availWidth - width) / 2;
	var topPos = (screen.availHeight - height) / 2;
	options += 'width=' + width + ',height=' + height + ',left=' + leftPos + ',top=' + topPos;
	return window.open(url, win, options);
}
function setRange(rte) {
	//function to store range of current selection
	var oRTE;
	if (document.all) {
		oRTE = frames[rte];
		var selection = oRTE.document.selection; 
		if (selection != null) rng = selection.createRange();
	} else {
		oRTE = document.getElementById(rte).contentWindow;
		var selection = oRTE.getSelection();
		rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
	}
	return rng;
}
function dlgInsertLink(rte, command) {
	//function to open/close insert table dialog
	//save current values
	currentRTE = rte;
	if (command=='link') {InsertLink = popUpWin('insert_link.htm', 'InsertLink', 350, 200, '');}
	else{InsertLink = popUpWin('insert_mail.htm', 'InsertLink', 350, 110, '');}
	
	
	//get currently highlighted text and set link text value
	setRange(rte);
	var linkText = '';
	if (isIE) {
		linkText = stripHTML(rng.htmlText);
	} else {
		linkText = stripHTML(rng.toString());
	}
	setLinkText(linkText);
}
function dlgInsertAncor(rte, command) {
	//function to open/close insert table dialog
	//save current values
	currentRTE = rte;
	InsertAncor = popUpWin('ancoraggio.htm', 'ancoraggio', 290, 120, '');
	
	
	//get currently highlighted text and set link text value
	setRange(rte);
	var linkText = '';
	if (isIE) {
		linkText = stripHTML(rng.htmlText);
	} else {
		linkText = stripHTML(rng.toString());
	}
	setAncorText(linkText);
}
function setAncorText(linkText) {
	//set link text value in insert link dialog
	try {
		window.InsertAncor.document.frmHyperlink.hyper_text.value = linkText;
	} catch (e) {
		//may take some time to create dialog window.
		//Keep looping until able to set.
		setTimeout("setAncorText('" + linkText + "');", 10);
	}
}
function setLinkText(linkText) {
	//set link text value in insert link dialog
	try {
		window.InsertLink.document.linkForm.linkText.value = linkText;
	} catch (e) {
		//may take some time to create dialog window.
		//Keep looping until able to set.
		setTimeout("setLinkText('" + linkText + "');", 10);
	}
}
function insertHTML(html) {
	//function to add HTML -- thanks dannyuk1982
	var rte = currentRTE;
	
	var oRTE;
	if (document.all) {
		oRTE = frames[rte];
	} else {
		oRTE = document.getElementById(rte).contentWindow;
	}
	
	oRTE.focus();
	if (document.all) {
		var oRng = oRTE.document.selection.createRange();
		oRng.pasteHTML(html);
		oRng.collapse(false);
		oRng.select();
	} else {
		oRTE.document.execCommand('insertHTML', false, html);
	}
}