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// JavaScript

let nPanelWidth = 0;  // must be set at launch
let bExpanded = true;

/*
	Events
*/

if (Date.now() < Date.UTC(2017, 6, 12)) {
	try {
		document.getElementById('special_message').style.display = "block";
		document.getElementById('errorlist').style.padding = "20px 20px 30px 20px";
	} catch (e) {
		console.log(e.message + e.lineNumber);
	}
}


document.getElementById('close').addEventListener("click", function (event) {
	bExpanded = true; // size is reset in ui.js
	self.port.emit('closePanel');
});

document.getElementById('expand_reduce').addEventListener("click", function (event) {
	if (bExpanded) {
		self.port.emit("resize", "reduce", 10); // the number has no meaning here
		bExpanded = false;
	} else {
		self.port.emit("resize", "expand", 10); // the number has no meaning here
		bExpanded = true;
	}
});

document.getElementById('copy_to_clipboard').addEventListener("click", function (event) {
	copyToClipboard();
});

document.getElementById('closemsg').addEventListener("click", function (event) {
	closeMessageBox();
});

self.port.on("setPanelWidth", function (n) {
	nPanelWidth = n;
});

self.port.on("addElem", function (sHtml) {
	let xElem = document.createElement("div");

	xElem.innerHTML = sHtml;
	document.getElementById("errorlist").appendChild(xElem);


});

self.port.on("refreshParagraph", function (sIdParagr, sHtml) {
	document.getElementById("paragr"+sIdParagr).innerHTML = sHtml;
	let sClassName = (sHtml.includes('<u id="err')) ? "paragraph softred" : "paragraph softgreen";
	document.getElementById("paragr"+sIdParagr).className = sClassName;
});

self.port.on("showMessage", function (sText) {
	document.getElementById("message").textContent = sText;
	document.getElementById("messagebox").style.display = "block";
	window.setTimeout(closeMessageBox, 20000);
});

self.port.on("clearErrors", function (sHtml) {
	document.getElementById("errorlist").textContent = "";

});

self.port.on("start", function() {
	startWaitIcon();
});

self.port.on("end", function() {
	stopWaitIcon();
	document.getElementById("copy_to_clipboard").style.display = "block";
});

self.port.on("suggestionsFor", function (sWord, sSuggestions, sTooltipId) {
	// spell checking suggestions
	//console.log(sWord + ": " + sSuggestions);
	if (sSuggestions === "") {
		document.getElementById(sTooltipId).innerHTML += "Aucune.";
	} else if (sSuggestions.startsWith("#")) {
		document.getElementById(sTooltipId).innerHTML += sSuggestions;
	} else {
		let lSugg = sSuggestions.split("|");
		let iSugg = 0;
		let sElemId = sTooltipId.slice(7);
		for (let sSugg of lSugg) {
			document.getElementById(sTooltipId).innerHTML += '<a id="sugg' + sElemId + "-" + iSugg + '" class="sugg" href="#" onclick="return false;">' + sSugg + '</a> ';
			iSugg += 1;
		}
	}
});


window.addEventListener(
	"click",
	function (xEvent) {

		let xElem = xEvent.target;
		if (xElem.id) {
			if (xElem.id.startsWith("sugg")) {
				applySuggestion(xElem.id);
			} else if (xElem.id.startsWith("ignore")) {
				ignoreError(xElem.id);
			} else if (xElem.id.startsWith("check")) {
				sendBackAndCheck(xElem.id);
			} else if (xElem.id.startsWith("edit")) {
				switchEdition(xElem.id);
			} else if (xElem.id.startsWith("end")) {
				document.getElementById(xElem.id).parentNode.parentNode.style.display = "none";
			} else if (xElem.tagName === "U" && xElem.id.startsWith("err")) {

				showTooltip(xElem.id);
			} else if (xElem.id.startsWith("resize")) {
				self.port.emit("resize", xElem.id, 10);
			} else {
				hideAllTooltips();
			}
		} else if (xElem.tagName === "A") {
			self.port.emit("openURL", xElem.getAttribute("href"));
		} else {
			hideAllTooltips();
		}




	},
	false
);


/*
	Actions
*/





function closeMessageBox () {
	document.getElementById("messagebox").style.display = "none";
	document.getElementById("message").textContent = "";
}







function applySuggestion (sElemId) { // sugg

	try {

		let sIdParagr = sElemId.slice(4, sElemId.indexOf("_"));
		startWaitIcon("paragr"+sIdParagr);


		let sIdErr = "err" + sElemId.slice(4, sElemId.indexOf("-"));











		document.getElementById(sIdErr).textContent = document.getElementById(sElemId).textContent;


		document.getElementById(sIdErr).className = "corrected";









		document.getElementById(sIdErr).removeAttribute("style");
		self.port.emit("correction", sIdParagr, getPurgedTextOfElem("paragr"+sIdParagr));
		stopWaitIcon("paragr"+sIdParagr);

	} catch (e) {
		console.log(e.message + e.lineNumber);

	}
}










function ignoreError (sElemId) {  // ignore


	let sIdErr = "err" + sElemId.slice(6);
	let xTooltipElem = document.getElementById("tooltip"+sElemId.slice(6));
	document.getElementById(sIdErr).removeChild(xTooltipElem);






	document.getElementById(sIdErr).className = "ignored";
	document.getElementById(sIdErr).removeAttribute("style");







}










function showTooltip (sElemId) {  // err
	hideAllTooltips();
	let sTooltipId = "tooltip" + sElemId.slice(3);
	let xTooltipElem = document.getElementById(sTooltipId);
	let nLimit = nPanelWidth - 300; // paragraph width - tooltip width
	if (document.getElementById(sElemId).offsetLeft > nLimit) {
		xTooltipElem.style.left = "-" + (document.getElementById(sElemId).offsetLeft - nLimit) + "px";
	}
	xTooltipElem.setAttribute("contenteditable", false);


	xTooltipElem.className = 'tooltip_on';
	if (document.getElementById(sElemId).className === "error spell"  &&  xTooltipElem.textContent.endsWith(":")) {
		// spelling mistake
		self.port.emit("getSuggestionsForTo", document.getElementById(sElemId).innerHTML.replace(/<span .*$/, "").trim(), sTooltipId);
	}
}

























function switchEdition (sElemId) {  // edit
	let sId = "paragr" + sElemId.slice(4);


	if (document.getElementById(sId).hasAttribute("contenteditable") === false


		|| document.getElementById(sId).getAttribute("contenteditable") === "false") {
		document.getElementById(sId).setAttribute("contenteditable", true);
		document.getElementById(sElemId).className = "button orange";
		document.getElementById(sId).focus();
	} else {
		document.getElementById(sId).setAttribute("contenteditable", false);
		document.getElementById(sElemId).className = "button";


	}



}

function sendBackAndCheck (sElemId) {  // check
	startWaitIcon();
	let sIdParagr = sElemId.slice(5);
	self.port.emit("modifyAndCheck", sIdParagr, getPurgedTextOfElem("paragr"+sIdParagr));


	stopWaitIcon();
}




function getPurgedTextOfElem (sId) {
	// Note : getPurgedTextOfElem2 should work better if not buggy.










	// if user writes in error, Fx adds tags <u></u>, we also remove style attribute


	let xParagraphElem = document.getElementById(sId);
	for (xNode of xParagraphElem.getElementsByTagName("u")) {
		if (xNode.id.startsWith('err')) {


			xNode.innerHTML = xNode.innerHTML.replace(/<\/?u>/g, "");



			xNode.removeAttribute("style");



		}
	}
	// we remove style attribute on tooltip
	for (xNode of xParagraphElem.getElementsByTagName("span")) {
		if (xNode.id.startsWith('tooltip')) {
			xNode.removeAttribute("style");



		}
	}
	// now, we remove tooltips, then errors, and we change some html entities
	let sText = xParagraphElem.innerHTML;
	sText = sText.replace(/<br\/? *> *$/ig, "");
	sText = sText.replace(/<span id="tooltip.+?<\/span>/g, "");
	sText = sText.replace(/<u id="err\w+" class="[\w ]+" href="#" onclick="return false;">(.+?)<\/u><!-- err_end -->/g, "$1");
	sText = sText.replace(/&nbsp;/g, " ").replace(/&lt;/g, "<").replace(/&gt;/g, ">").replace(/&amp;/g, "&");
	return sText;


}












function getPurgedTextOfElem2 (sId) {


	// It is better to remove tooltips via DOM and retrieve textContent,


	// but for some reason getElementsByClassName “hazardously” forgets elements.

	// Unused. Needs investigation.

	let xParagraphElem = document.getElementById(sId).cloneNode(true);
	for (let xNode of xParagraphElem.getElementsByClassName("tooltip")) {
		xNode.parentNode.removeChild(xNode);
	}

	return xParagraphElem.textContent;





}

function hideAllTooltips () {
	for (let xElem of document.getElementsByClassName("tooltip_on")) {


		xElem.className = "tooltip";


		xElem.removeAttribute("style");














	}
}






function copyToClipboard () {
	startWaitIcon();
	try {
		document.getElementById("clipboard_msg").textContent = "copie en cours…";

		let sText = "";
		for (let xNode of document.getElementById("errorlist").getElementsByClassName("paragraph")) {
			sText += getPurgedTextOfElem(xNode.id);
			sText += "\n";
		}
		self.port.emit('copyToClipboard', sText);
		document.getElementById("clipboard_msg").textContent = "-> presse-papiers";
		window.setTimeout(function() { document.getElementById("clipboard_msg").textContent = "∑"; } , 3000);
	}
	catch (e) {
		console.log(e.lineNumber + ": " +e.message);
	}
	stopWaitIcon();
}

function startWaitIcon (sIdParagr=null) {
	if (sIdParagr) {
		document.getElementById(sIdParagr).disabled = true;
		document.getElementById(sIdParagr).style.opacity = .3;
	}
	document.getElementById("waiticon").hidden = false;
}

function stopWaitIcon (sIdParagr=null) {
	if (sIdParagr) {
		document.getElementById(sIdParagr).disabled = false;
		document.getElementById(sIdParagr).style.opacity = 1;
	}
	document.getElementById("waiticon").hidden = true;











}






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// JavaScript

let nPanelWidth = 0;  // must be set at launch
let bExpanded = true;

/*
    Events
*/






showSpecialMessage();




document.getElementById('close').addEventListener("click", function (event) {
    bExpanded = true; // size is reset in ui.js
    self.port.emit('closePanel');
});

document.getElementById('expand_reduce').addEventListener("click", function (event) {
    if (bExpanded) {
        self.port.emit("resize", "reduce", 10); // the number has no meaning here
        bExpanded = false;
    } else {
        self.port.emit("resize", "expand", 10); // the number has no meaning here
        bExpanded = true;
    }
});

document.getElementById('copy_to_clipboard').addEventListener("click", function (event) {
    copyToClipboard();
});

document.getElementById('closemsg').addEventListener("click", function (event) {
    closeMessageBox();
});

self.port.on("setPanelWidth", function (n) {
    nPanelWidth = n;
});

self.port.on("addMessage", function (sClass, sText) {
    addMessage(sClass, sText);
});


self.port.on("addParagraph", function (sText, iParagraph, sJSON) {
    addParagraph(sText, iParagraph, sJSON);
});

self.port.on("refreshParagraph", function (sText, sIdParagr, sJSON) {
    refreshParagraph(sText, sIdParagr, sJSON);


});

self.port.on("showMessage", function (sText) {
    document.getElementById("message").textContent = sText;
    document.getElementById("messagebox").style.display = "block";
    window.setTimeout(closeMessageBox, 20000);
});

self.port.on("clearErrors", function (sHtml) {
    document.getElementById("errorlist").textContent = "";
    hideAllTooltips();
});

self.port.on("start", function() {
    startWaitIcon();
});

self.port.on("end", function() {
    stopWaitIcon();
    document.getElementById("copy_to_clipboard").style.display = "block";
});

self.port.on("suggestionsFor", function (sWord, sSuggestions, sErrId) {







    setSpellSuggestionsFor(sWord, sSuggestions, sErrId);







});


window.addEventListener(
    "click",
    function (xEvent) {
        try {
            let xElem = xEvent.target;
            if (xElem.id) {
                if (xElem.id.startsWith("sugg")) {
                    applySuggestion(xElem.id);
                } else if (xElem.id.endsWith("_ignore")) {
                    ignoreError(xElem.id);
                } else if (xElem.id.startsWith("check")) {
                    sendBackAndCheck(xElem.id);
                } else if (xElem.id.startsWith("edit")) {
                    switchEdition(xElem.id);
                } else if (xElem.id.startsWith("end")) {
                    document.getElementById(xElem.id).parentNode.parentNode.style.display = "none";
                } else if (xElem.tagName === "U" && xElem.id.startsWith("err")
                           && xElem.className !== "corrected" && xElem.className !== "ignored") {
                    showTooltip(xElem.id);
                } else if (xElem.id.startsWith("resize")) {
                    self.port.emit("resize", xElem.id, 10);
                } else {
                    hideAllTooltips();
                }
            } else if (xElem.tagName === "A") {
                self.port.emit("openURL", xElem.getAttribute("href"));
            } else {
                hideAllTooltips();
            }
        }
        catch (e) {
            showError(e);
        }
    },
    false
);


/*
    Actions
*/

function showError (e) {
    console.error("\n" + e.fileName + "\n" + e.name + "\nline: " + e.lineNumber + "\n" + e.message);
}

function closeMessageBox () {
    document.getElementById("messagebox").style.display = "none";
    document.getElementById("message").textContent = "";
}

function addMessage (sClass, sText) {
    let xNode = document.createElement("p");
    xNode.className = sClass;
    xNode.textContent = sText;
    document.getElementById("errorlist").appendChild(xNode);
}

function addParagraph (sText, iParagraph, sJSON) {
    try {
        let xNodeDiv = document.createElement("div");
        xNodeDiv.className = "paragraph_block";
        // paragraph
        let xParagraph = document.createElement("p");
        xParagraph.id = "paragr" + iParagraph.toString();
        xParagraph.lang = "fr";
        xParagraph.setAttribute("spellcheck", false);
        let oErrors = JSON.parse(sJSON);
        xParagraph.className = (oErrors.aGrammErr.length || oErrors.aSpellErr.length) ? "paragraph softred" : "paragraph";
        _tagParagraph(sText, xParagraph, iParagraph, oErrors.aGrammErr, oErrors.aSpellErr);
        xNodeDiv.appendChild(xParagraph);
        // actions
        let xDivActions = document.createElement("div");
        xDivActions.className = "actions";
        let xDivClose = document.createElement("div");
        xDivClose.id = "end" + iParagraph.toString();
        xDivClose.className = "button red";
        xDivClose.textContent = "×";
        let xDivEdit = document.createElement("div");
        xDivEdit.id = "edit" + iParagraph.toString();
        xDivEdit.className = "button";
        xDivEdit.textContent = "Éditer";
        let xDivCheck = document.createElement("div");
        xDivCheck.id = "check" + iParagraph.toString();
        xDivCheck.className = "button green";
        xDivCheck.textContent = "Réanalyser";
        xDivActions.appendChild(xDivClose);
        xDivActions.appendChild(xDivEdit);
        xDivActions.appendChild(xDivCheck);
        xNodeDiv.appendChild(xDivActions);
        document.getElementById("errorlist").appendChild(xNodeDiv);


    }
    catch (e) {

        showError(e);
    }
}

function refreshParagraph (sText, sIdParagr, sJSON) {
    try {
        let xParagraph = document.getElementById("paragr"+sIdParagr);
        let oErrors = JSON.parse(sJSON);
        xParagraph.className = (oErrors.aGrammErr.length || oErrors.aSpellErr.length) ? "paragraph softred" : "paragraph softgreen";
        xParagraph.textContent = "";
        _tagParagraph(sText, xParagraph, sIdParagr, oErrors.aGrammErr, oErrors.aSpellErr);
    }
    catch (e) {
        showError(e);
    }
}



function _tagParagraph (sParagraph, xParagraph, iParagraph, aSpellErr, aGrammErr) {
    try {
        if (aGrammErr.length === 0  &&  aSpellErr.length === 0) {
            xParagraph.textContent = sParagraph;
            return
        }
        aGrammErr.push(...aSpellErr);

        aGrammErr.sort(function (a, b) {
            if (a["nStart"] < b["nStart"])
                return -1;
            if (a["nStart"] > b["nStart"])
                return 1;
            return 0;
        });

        let nErr = 0; // we count errors to give them an identifier
        let nEndLastErr = 0;
        for (let oErr of aGrammErr) {
            let nStart = oErr["nStart"];
            let nEnd = oErr["nEnd"];
            if (nStart >= nEndLastErr) {
                oErr["sId"] = iParagraph.toString() + "_" + nErr.toString(); // error identifier
                if (nEndLastErr < nStart) {
                    xParagraph.appendChild(document.createTextNode(sParagraph.slice(nEndLastErr, nStart)));
                }


                xParagraph.appendChild(_createError(sParagraph.slice(nStart, nEnd), oErr));

                xParagraph.insertAdjacentHTML("beforeend", "<!-- err_end -->");
                nEndLastErr = nEnd;

            }

            nErr += 1;
        }
        if (nEndLastErr <= sParagraph.length) {
            xParagraph.appendChild(document.createTextNode(sParagraph.slice(nEndLastErr)));


        }
    }
    catch (e) {
        showError(e);
    }
}

function _createError (sUnderlined, oErr) {
    let xNodeErr = document.createElement("u");
    xNodeErr.id = "err" + oErr['sId'];
    xNodeErr.className = "error " + oErr['sType'];
    xNodeErr.textContent = sUnderlined;
    xNodeErr.dataset.error_id = oErr['sId'];
    xNodeErr.dataset.error_type = (oErr['sType'] === "WORD") ? "spelling" : "grammar";
    xNodeErr.setAttribute("href", "#");
    xNodeErr.setAttribute("onclick", "return false;");
    if (xNodeErr.dataset.error_type === "grammar") {
        xNodeErr.dataset.gc_message = oErr['sMessage'];
        xNodeErr.dataset.gc_url = oErr['URL'];
        if (xNodeErr.dataset.gc_message.includes(" #")) {
            xNodeErr.dataset.line_id = oErr['sLineId'];
            xNodeErr.dataset.rule_id = oErr['sRuleId'];
        }
        xNodeErr.dataset.suggestions = oErr["aSuggestions"].join("|");
    }
    return xNodeErr;
}


function applySuggestion (sSuggId) { // sugg
    try {
        let sErrorId = document.getElementById(sSuggId).dataset.error_id;
        let sIdParagr = sErrorId.slice(0, sErrorId.indexOf("_"));
        startWaitIcon("paragr"+sIdParagr);
        let xNodeErr = document.getElementById("err" + sErrorId);
        xNodeErr.textContent = document.getElementById(sSuggId).textContent;
        xNodeErr.className = "corrected";


        xNodeErr.removeAttribute("style");
        self.port.emit("correction", sIdParagr, document.getElementById("paragr"+sIdParagr).textContent);
        hideAllTooltips();
        stopWaitIcon("paragr"+sIdParagr);
    }
    catch (e) {
        showError(e);
    }
}

function ignoreError (sIgnoreButtonId) {  // ignore
    try {
        console.log("ignore button: " + sIgnoreButtonId + " // error id: " + document.getElementById(sIgnoreButtonId).dataset.error_id);
        let xNodeErr = document.getElementById("err"+document.getElementById(sIgnoreButtonId).dataset.error_id);
        xNodeErr.className = "ignored";
        xNodeErr.removeAttribute("style");
        hideAllTooltips();
    }
    catch (e) {
        showError(e);
    }
}


function showTooltip (sNodeErrorId) {  // err
    try {
        hideAllTooltips();
        let xNodeError = document.getElementById(sNodeErrorId);
        let sTooltipId = (xNodeError.dataset.error_type === "grammar") ? "gc_tooltip" : "sc_tooltip";
        let xNodeTooltip = document.getElementById(sTooltipId);
        let nLimit = nPanelWidth - 330; // paragraph width - tooltip width
        xNodeTooltip.style.top = (xNodeError.offsetTop + 16) + "px";
        xNodeTooltip.style.left = (xNodeError.offsetLeft > nLimit) ? nLimit + "px" : xNodeError.offsetLeft + "px";
        if (xNodeError.dataset.error_type === "grammar") {
            // grammar error
            document.getElementById("gc_message").textContent = xNodeError.dataset.gc_message;
            if (xNodeError.dataset.gc_url != "") {
                document.getElementById("gc_url").style.display = "inline";
                document.getElementById("gc_url").setAttribute("href", xNodeError.dataset.gc_url);
            } else {
                document.getElementById("gc_url").style.display = "none";
            }
            document.getElementById("gc_ignore").dataset.error_id = xNodeError.dataset.error_id;
            let iSugg = 0;
            let xGCSugg = document.getElementById("gc_sugg_block");
            xGCSugg.textContent = "";
            for (let sSugg of xNodeError.dataset.suggestions.split("|")) {
                xGCSugg.appendChild(_createSuggestion(xNodeError.dataset.error_id, iSugg, sSugg));
                xGCSugg.appendChild(document.createTextNode(" "));
                iSugg += 1;
            }
        }
        xNodeTooltip.style.display = "block";
        if (xNodeError.dataset.error_type === "spelling") {
            // spelling mistake

            document.getElementById("sc_ignore").dataset.error_id = xNodeError.dataset.error_id;
            //console.log("getSuggFor: " + xNodeError.textContent.trim() + " // error_id: " + xNodeError.dataset.error_id);
            self.port.emit("getSuggestionsForTo", xNodeError.textContent.trim(), xNodeError.dataset.error_id);
        }
    }







    catch (e) {
        showError(e);
    }
}

function _createSuggestion (sErrId, iSugg, sSugg) {
    let xNodeSugg = document.createElement("a");
    xNodeSugg.id = "sugg" + sErrId + "-" + iSugg.toString();
    xNodeSugg.className = "sugg";
    xNodeSugg.setAttribute("href", "#");
    xNodeSugg.setAttribute("onclick", "return false;");
    xNodeSugg.dataset.error_id = sErrId;
    xNodeSugg.textContent = sSugg;
    return xNodeSugg;
}

function switchEdition (sEditButtonId) {  // edit
    let xParagraph = document.getElementById("paragr" + sEditButtonId.slice(4));
    if (xParagraph.hasAttribute("contenteditable") === false
        || xParagraph.getAttribute("contenteditable") === "false") {
        xParagraph.setAttribute("contenteditable", true);
        document.getElementById(sEditButtonId).className = "button orange";
        xParagraph.focus();
    } else {
        xParagraph.setAttribute("contenteditable", false);
        document.getElementById(sEditButtonId).className = "button";


    }
}

function sendBackAndCheck (sCheckButtonId) {  // check
    startWaitIcon();
    let sIdParagr = sCheckButtonId.slice(5);
    self.port.emit("modifyAndCheck", sIdParagr, document.getElementById("paragr"+sIdParagr).textContent);
    stopWaitIcon();
}

function hideAllTooltips () {
    document.getElementById("gc_tooltip").style.display = "none";
    document.getElementById("sc_tooltip").style.display = "none";
}

function setSpellSuggestionsFor (sWord, sSuggestions, sErrId) {
    // spell checking suggestions
    try {
        // console.log("setSuggestionsFor: " + sWord + " > " + sSuggestions + " // " + sErrId);
        let xSuggBlock = document.getElementById("sc_sugg_block");
        xSuggBlock.textContent = "";
        if (sSuggestions === "") {
            xSuggBlock.appendChild(document.createTextNode("Aucune."));
        } else if (sSuggestions.startsWith("#")) {
            xSuggBlock.appendChild(document.createTextNode(sSuggestions));
        } else {
            let lSugg = sSuggestions.split("|");
            let iSugg = 0;
            for (let sSugg of lSugg) {
                xSuggBlock.appendChild(_createSuggestion(sErrId, iSugg, sSugg));
                xSuggBlock.appendChild(document.createTextNode(" "));
                iSugg += 1;
            }
        }
    }
    catch (e) {
        showError(e);
    }
}

function copyToClipboard () {
    startWaitIcon();
    try {
        let xClipboardButton = document.getElementById("clipboard_msg");
        xClipboardButton.textContent = "copie en cours…";
        let sText = "";
        for (let xNode of document.getElementById("errorlist").getElementsByClassName("paragraph")) {

            sText += xNode.textContent + "\n";
        }
        self.port.emit('copyToClipboard', sText);
        xClipboardButton.textContent = "-> presse-papiers";
        window.setTimeout(function() { xClipboardButton.textContent = "∑"; } , 3000);
    }
    catch (e) {
        console.log(e.lineNumber + ": " +e.message);
    }
    stopWaitIcon();
}

function startWaitIcon (sIdParagr=null) {
    if (sIdParagr) {
        document.getElementById(sIdParagr).disabled = true;
        document.getElementById(sIdParagr).style.opacity = .3;
    }
    document.getElementById("waiticon").hidden = false;
}

function stopWaitIcon (sIdParagr=null) {
    if (sIdParagr) {
        document.getElementById(sIdParagr).disabled = false;
        document.getElementById(sIdParagr).style.opacity = 1;
    }
    document.getElementById("waiticon").hidden = true;
}

function showSpecialMessage () {
    if (Date.now() < Date.UTC(2017, 6, 12)) {
        try {
            document.getElementById('special_message').style.display = "block";
            document.getElementById('errorlist').style.padding = "20px 20px 30px 20px";
        } catch (e) {
            showError(e);
        }
    }
}