function avviso(url,mess) { if (confirm(mess)) { location = url; } }

function nascondi(id, aid) {
	if (document.getElementById(id).style.display == "none") {
		document.getElementById(id).style.display = "block";
	} else {
		document.getElementById(id).style.display = "none";
	}
	if (document.getElementById(aid).innerHTML == ">> Visualizza Precedenti") {
		document.getElementById(aid).innerHTML = ">> Nascondi Precedenti";
	} else {
		document.getElementById(aid).innerHTML = ">> Visualizza Precedenti";
	}
}

function nascondin(id) {
	if (document.getElementById(id).style.display == "none") {
		document.getElementById(id).style.display = "block";
	} else {
		document.getElementById(id).style.display = "none";
	}
}

function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText, nomeTag) {
	if(!document.selection && !is_gecko) {
		return false;
	}
	imageFile=escapeQuotesHTML(imageFile);
	speedTip=escapeQuotesHTML(speedTip);
	tagOpen=escapeQuotes(tagOpen);
	tagClose=escapeQuotes(tagClose);
	sampleText=escapeQuotes(sampleText);
	var mouseOver="";
	document.write("<a href=\"javascript:insertTags");
	document.write("('"+tagOpen+"','"+tagClose+"','"+sampleText+"','"+nomeTag+"');\">");
	document.write("<img class=\"p\" src=\""+imageFile+"\" alt=\""+speedTip+"\" title=\""+speedTip+"\""+mouseOver+">");
	document.write("</a>");
	return;
}

function escapeQuotes(text) {
	var re=new RegExp("'","g");
	text=text.replace(re,"\\'");
	re=new RegExp("\\n","g");
	text=text.replace(re,"\\n");
	return escapeQuotesHTML(text);
}

function escapeQuotesHTML(text) {
	var re=new RegExp('&',"g");
	text=text.replace(re,"&amp;");
	var re=new RegExp('"',"g");
	text=text.replace(re,"&quot;");
	var re=new RegExp('<',"g");
	text=text.replace(re,"&lt;");
	var re=new RegExp('>',"g");
	text=text.replace(re,"&gt;");
	return text;
}

function insertTags(tagOpen, tagClose, sampleText, nomeTag) {
	var txtarea = eval(nomeTag);
	if(document.selection) {
		var theSelection = document.selection.createRange().text;
		if(!theSelection) { theSelection=sampleText;}
		txtarea.focus();
		if(theSelection.charAt(theSelection.length - 1) == " "){
			theSelection = theSelection.substring(0, theSelection.length - 1);
			document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
		} else {
			document.selection.createRange().text = tagOpen + theSelection + tagClose;
		}
	} else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
		var replaced = false;
 		var startPos = txtarea.selectionStart;
		var endPos = txtarea.selectionEnd;
		if(endPos-startPos) replaced=true;
		var scrollTop=txtarea.scrollTop;
		var myText = (txtarea.value).substring(startPos, endPos);
		if(!myText) { myText=sampleText;}
		if(myText.charAt(myText.length - 1) == " "){
			subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
		} else {
			subst = tagOpen + myText + tagClose;
		}
		txtarea.value = txtarea.value.substring(0, startPos) + subst +
		  txtarea.value.substring(endPos, txtarea.value.length);
		txtarea.focus();
		if(replaced){
			var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
			txtarea.selectionStart=cPos;
			txtarea.selectionEnd=cPos;
		}else{
			txtarea.selectionStart=startPos+tagOpen.length;   
			txtarea.selectionEnd=startPos+tagOpen.length+myText.length;
		}	
		txtarea.scrollTop=scrollTop;
	}
	if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
}