var whohasfocus=0;
var str;

function saveCursorPosition(obj){
	if (obj.createTextRange){
		obj.selection = document.selection.createRange().duplicate();
	}
	return true;
}

function insertAtCursorPosition(myTextArea, smilie) {
	if (whohasfocus!=3) alert('Antes de insertar iconos debes situar el cursor en la area de texto.');

	if (whohasfocus==3){
		str = smilie;
		if (myTextArea.createTextRange && myTextArea.selection) {
			var objTxtRange = myTextArea.selection;
			objTxtRange2=objTxtRange.text;
			objTxtRange.text = (objTxtRange.text.charAt(objTxtRange.text.length - 1) == ' ') ? str + ' ' : str;
			myTextArea.selection = null;
		} else {
			myTextArea.value += str;
		}
	document.form_comentario.comentario.focus();
	return true;
	whohasfocus=0;
	}
}