function getMozSelection(txtarea) {
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		if (selEnd==1 || selEnd==2) selEnd=selLength;
		return (txtarea.value).substring(selStart, selEnd);
	}

	function mozWrap(txtarea, lft, rgt) {
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		if (selEnd==1 || selEnd==2) selEnd=selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + lft + s2 + rgt + s3;
	}

	function IEWrap(lft, rgt) {
		strSelection = document.selection.createRange().text;
		if (strSelection!="") {
		document.selection.createRange().text = lft + strSelection + rgt;
		}
	}

	function wrapSelection(txtarea, lft, rgt) {
		if (document.all) {IEWrap(lft, rgt);}
		else if (document.getElementById) {mozWrap(txtarea, lft, rgt);}
	}