function validate(form){
	
	var input = form.getElementsByTagName('input');
	
	for(var i = 0;i<input.length;i++){
		
		if(input[i].value == "" && (input[i].getAttribute('type')=='text')){
			
			alert('Por favor ingrese los campos requeridos');
			input[i].focus();
			return false;
		}
		
	}
	
	if(form.address.value == ''){
		
		alert('Ingrese la dirección');
		form.address.focus();
		return false;		
		
	}
	
	return true;
	
}