get_user_info=function(element,id,field)
{
	$.ajax({
	   type: "POST",
	   url: "/pages/get_user_info/",
	   data:  ({id:id,field:field}),
	   success: function(data){
	   	if(field=='name')
	   	     $('#'+element).html(data);
	   	if(field=='pic_square')
	   		$('#'+element).html('<img src="'+data+'" />');
	   	if(field=='pic_big')
	   		$('#'+element).html('<img width="170px" src="'+data+'" />');
	   }
	 });
}