function quickAjax( url, func, send, extra ) {var method = send == null ? 'GET' : 'POST';
var text = null;
var req = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject( 'Microsoft.XMLHTTP' );;
var ok = false;
try{req.onreadystatechange = function(){if( req.readyState == 4 && ! ok ) {if( func ) func( req.responseText, extra );
text = req.responseText;
ok = true;}}
req.onload = function(){if( ! ok ) {if( func ) func( req.responseText, extra );
text = req.responseText;
ok = true;}}
} catch( e ){}
try {req.open( method, url, func ? true : false );} catch( e ) {return 'error en req.open';}
if( method == 'POST' ) {req.setRequestHeader( 'Content-type', 'application/x-www-form-urlencoded' );
req.setRequestHeader( 'Connection', 'close' );}
req.send( send );
if( ! func ) return text;}

function trim(input, solo_texto){
	if ( solo_texto ){
		s = input;
	}else{
		input = document.getElementById( input );
		s = input.value;
	}
	
	s = s.replace(/^\s+/, "");
	s = s.replace(/\s+$/, "");

	if ( solo_texto ){
		return s;
	}else{
		input.value = s;
	}
}

function toggle(){
    for( var i = 0; i < toggle.arguments.length; i++ ) {
        var e = document.getElementById( toggle.arguments[i] );
        if( e ) e.style.display = e.style.display == 'none' ? '' : 'none';
    }

    return void(0);
}

function validaRut(T){
T = T.split('-'); 
if ( !T[1] ) return 0;
var M=0,S=1;for(;T[0];T[0]=Math.floor(T[0]/10))
S=(S+T[0]%10*(9-M++%6))%11; var dv = S?S-1:'k'; return dv == T[1].toLowerCase();}

function validaEmail(valor) {
	return (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor)) ? 1 : 0;
}

function salir(){
	if ( confirm("Estas seguro(a) que quieres salir del sistema ?") ){
		location.href = "../index.php";
	}
}
$(document).ready(function(){
   function celdas(){
      $("table#userEval tr td").mouseover(function(){
         $(this).addClass("hoverCelda");
      });
      $("table#userEval tr td").mouseout( function(){
         $(this).removeClass("hoverCelda");
      });
   }
   function filas(){
      $("table#userEval tr").mouseover(function(){
         $(this).addClass("hoverFila");
      });
      $("table#userEval tr").mouseout( function(){
         $(this).removeClass("hoverFila");
      });
   }
   celdas();
   filas();
});