// JavaScript Document
function instag(emot){
	var input = document.getElementById('comentario');
		if(typeof document.selection != 'undefined' && document.selection) {
			var str = opener.document.selection.createRange().text;
			input.focus();
			var sel = opener.document.selection.createRange();
			sel.text = str + emot;
			sel.select();
			window.close();
			return;
		}
		else if(typeof input.selectionStart != 'undefined'){
				if(typeof input.scrollTop != 'undefined'){
					var st=input.scrollTop;
					var sl=input.scrollTop;
				}
			var start = input.selectionStart;
			var end = input.selectionEnd;
			var insText = input.value.substring(start, end);
			input.value = input.value.substr(0, start) + insText+ emot + input.value.substr(end);
			input.focus();
				if(typeof input.scrollTop != 'undefined'){
					input.scrollTop=st;
					input.scrollTop=sl;
				}
			input.setSelectionRange(end+emot.length,end+emot.length);
			window.close();
			return;
		}
		else{
			input.value+=emot;
			window.close();
			return;
		}
}

///////////////// no mete caracteres ///////////////////////////////

function validar(e) { // 1
    tecla = (document.all) ? e.keyCode : e.which; // 2
    if (tecla==8) return true; // 3
    patron =/[A-Za-zñÑ\w]/; // 4
    te = String.fromCharCode(tecla); // 5
    return patron.test(te); // 6
} 


function recuperar(){
window.open('recuperar_pass.php','recuperar','scrollbars=no,width=400,height=150,resizable=no,location=no');
}