// JavaScript Document

var nav4 = window.Event ? true : false;
function aceptarcaracteres(evt)
               { 
                // NOTE: Backspace = 8, Enter = 13, '0' = 48, '9' = 57 
                var key = nav4 ? evt.which : evt.keyCode; 
                return (key != 13 && key != 39 && key != 34 && key != 124) 
                }
function aceptarnum(evt)
               { 
                // NOTE: Backspace = 8, Enter = 13, '0' = 48, '9' = 57 
                var key = nav4 ? evt.which : evt.keyCode; 
                return ((key >= 48 && key <= 57)) 
                }				

function validar(formulario)
                   {
				   bandera=1;
				   for (var a = 0 ; a < formulario.length ; a++)
		               {
			             if(formulario.elements[a].type=="text" && formulario.elements[a].value=='')
			                {
				              alert ("falta campos por digitar");
					          formulario.elements[a].focus();
					          bandera = 0 ;
					          break;
					         }
						   else	
						     {
						     if(formulario.elements[a].type=="textarea" && formulario.elements[a].value=='') 
							    {
								  alert ("falta campos por digitar");
					              formulario.elements[a].focus();
					              bandera = 0 ;
					              break;
								}
							  }
							  //alert(formulario.elements[a].value.substring(0,1));	
						}
					if (bandera==1)
					    {
						con=formulario.correo.value.length;
						ban=1;
						    for(i=0;i<=con;i++)
							   {
							    if(formulario.correo.value.substring(i,i+1)=='@')
								   {
								   ban=0;
								     var enviar= confirm("esta seguro de enviar los datos");
					                 if(enviar==true)
				                        formulario.submit();
								     else
									    return false;  
						           }
								   
							    }
							  if (ban==1)
							     {	
							     alert ("debe digitar un correo valido ejemplo juanito@xxxxxx.com");
							     return false;  
								 }
							    
						  }		   
				          else
					       {
						    return false;		
						   }	 
													
					}	
					
//**************************************************************************************************
//**************************************************************************************************						
function caracterestextarea(evt)
               { 
                //NOTE: Backspace = 8, Enter = 13, '0' = 48, '9' = 57 
                con=formulariomail.informacion.value.length;
				//alert ('si');
       
				if (con<256)
				   {
				   
    			   document.getElementById('boldStuff').innerHTML =256-con;  
				   var key = nav4 ? evt.which : evt.keyCode; 
				   return (key != 13 && key != 39 && key != 34 && key != 124) 
                   }
				else
				   {
				    alert ("No puede digitar mas caracteres");  
					return false;
			       }

				    
					
			   }		
//*******************************************************************************
//*******************************************************************************
function viscontador()
                 {
				 con=formulariomail.informacion.value.length;
				 document.getElementById('boldStuff').innerHTML =256-con;  
				 }