// JavaScript Document
function validaContacto(f)
{
	document.getElementById('er_org').style.display = "none";
	document.getElementById('er_cor').style.display = "none";
	document.getElementById('er_des').style.display = "none";
	document.getElementById('er_comm').style.display = "none";
	document.getElementById('er_app').style.display = "none";
	document.getElementById('er_fre').style.display = "none";
	document.getElementById('er_fcl').style.display = "none";
	document.getElementById('er_com').style.display = "none";
	
	var origin = f.origin.value;
	var correo = f.correo.value;	
	var desti  = f.desti.value;
	var comodi = f.comodi.value;
	var approx = f.approx.value;
	
	var frei  = f.frei.value;
	var fcl = f.fcl.checked;
	var cuarent = f.cuarent.checked;
	var comentario = f.comentario.value;
	res = true;
	if(correo==null || vacio(correo))
	{
		document.getElementById('er_cor').style.display = "inline";
		res = false;
	}	
	if(origin==null || vacio(origin))
	{
		document.getElementById('er_org').style.display = "inline";
		res = false;
	}		
	if(desti==null || vacio(desti))
	{
		document.getElementById('er_des').style.display = "inline";
		res = false;
	}	
	if(comodi==null || vacio(comodi))
	{
		document.getElementById('er_comm').style.display = "inline";
		res = false;
	}	
	if(approx==null || vacio(approx))
	{
		document.getElementById('er_app').style.display = "inline";
		res = false;
	}	
	
	if(frei==null || vacio(frei))
	{
		document.getElementById('er_fre').style.display = "inline";
		res = false;
	}	
	if(fcl==false && cuarent==false)
	{
		document.getElementById('er_fcl').style.display = "inline";
		res = false;
	}	
	if(comentario==null || vacio(comentario))
	{
		document.getElementById('er_com').style.display = "inline";
		res = false;
	}	
	return res;
}

//determina si esta vacio
function vacio(q)
{  
	 for ( i = 0; i < q.length; i++ ) 
	 {  
		 if ( q.charAt(i) != " " )
		 {  
			 return false  
		 }  
	 }  
	 return true  
}