function initValidation (id_form)
{

		
	var correcto = true;	
	// campos requeridos
	  $("#"+id_form).find(".required:visible").each(function(i) {
		id = $(this).attr("id");
	   valor=$(this).attr("value");
	   
	   
		
	   if (valor==undefined || valor =="")  {
		  
	   	   mark_field(id,'required');
		   correcto = false;		
	   }else 
	   		unmark_field(id,'required');
     
	   });
	  
	  	
	// Aceptar condiciones	
	if($("#accept_cond").attr("value") != undefined && $("#accept_cond:checked").val() == null){		
		mark_field('accept_cond','required');
	   correcto = false;
	}else{
		unmark_field('accept_cond','required');
	}	
	  
	// campos password iguales	  
	pasw = $("#password").attr("value");		
	repasw = $("#repassword").attr("value");		
	if(pasw != undefined && pasw != ''){
		if (pasw == repasw){
   			unmark_field('password','match_password');  		
	   }else{ 
   		   mark_field('password','match_password');
		   correcto = false;
	   }  	
	}
	   
	  
	 
	// campos email
	$("#"+id_form).find(".valid_email:visible").each(function(i) {	
		id = $(this).attr("id");
	   valor=$(this).attr("value");
	  
	   if (valor!=undefined) {
	  if (!valor.match(/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,6}$/i)){
	  	mark_field(id,'valid_email');
		correcto = false;
	  }else unmark_field(id,'valid_email');
	   }
	   });
	   
	 // min length
	 $("#"+id_form).find(".min_length:visible").each(function(i) {		
		id = $(this).attr("id");
	   valor=$(this).attr("value");
	  if (valor!=undefined) {
	  if (valor.length<6){
	  	mark_field(id,'min_length');
		correcto = false;
	  }
	   else unmark_field(id,'min_length');
	  }
	   });

	 $("#"+id_form).find(".minimum:visible").each(function(i) {			 
		id = $(this).attr("id");
	   valor=$(this).attr("value");
	  if (valor!=undefined) {
	  	id = $(this).attr("id");
	  	fieldcomp = id.substring(0, id.indexOf('_') );
	  	
	  	valor2=$("#"+fieldcomp).attr("value");
	  
	  	if (parseInt(valor)>parseInt(valor2)){
	  	correcto = false;
	  	mark_field(id,'minimum');
		}
	   else unmark_field(id,'minimum');
	  }
	   }); 	  
	 
	 return correcto;
}

function mark_field (id, type)
{	
	$("#"+id).css("background-color", "#FCFC87");	
	$("#error_"+ id + "_" + type).show();	
}

function unmark_field (id, type)
{	
	$("#"+id).css("background-color", "#FFFFFF");
	$("#error_"+ id + "_" + type).hide();
	//$("../",id).remove("span");
}

function change_img_src(img_id, src){
	$('.img_border_yellow').removeClass('img_border_yellow');
	$('#'+img_id).addClass('img_border_yellow');
	$('#imagen_grande').attr("src", src);
	
}