// JavaScript Document
function muestra(tabla){
var tablita=document.getElementById(tabla);
	if(tablita.style.display=='none'){
				tablita.style.display='';
			}
			else{
				tablita.style.display='none';
			}
}

function noSQL(form){
	var cad ='';
	var objValida = /[';-]/;	
	for (i = 0; i <= form.elements.length; i++){
	//alert('for -> '+i);
		if (form.elements[i].type == "text" || form.elements[i].type == "password" ){
			cad = form.elements[i].value;
			if(objValida.test(cad)){
				alert("Este campo no debe contener caracteres como ' ni ; ni - ");
				return false;
			}
			//alert('cadena-> '+cad);
		}
	}
}