function ajax_link(){
	$(".ajax").each(function(i){
		if( $(this).attr("mdajax") !=='ok'){
			$(this).attr("mdajax","ok");
			$(this).click(function (){
				page_load(this.href , $(this).attr("ajaxid"));
				return false;
			})
		}
	});
}	
function page_load(url, ajaxid){
	if ((i = url.indexOf("?")) > 0) {
		ajax_url  = url+"&class=ajax";	
	}else{
		ajax_url  = url+"?class=ajax";
	}
	if ( ajaxid =='' || ajaxid == null){
		ajaxid="md_main";
	}
	do_ajax( "GET" , ajax_url , "" , ajaxid , "body" , "ok" , "normal", "write" )
}
function save_my_exam( examid , number){
	my_query ='examid='+examid;
	for(var i = 0 ; i <  number  ; i++) {
		my_query += '&ans_'+i+'='+$("input[@name=ans_"+i+"][@checked]").val();
	}
	do_ajax( "POST" , 'ajax.php?page=exam_info' , my_query , 'ajax_error' , "body" , "ok" , "normal", "write" )
}

function sec_pic(){
	$(".pic_code").each(function(i){
		if( $(this).attr("mdajax") !=='ok'){
			$(this).attr("mdajax","ok");
			$(this).after('<a href="javascript:new_sec_pic()"><img src="js/images/refresh.gif" /></a>');
		}
	});
}
function new_sec_pic(){
	$(".pic_code").html("<img src='imagecreater/security.php?new=md&time="+new Date().getTime()+"' />");
}
$(document).ready(function() {
	ajax_link();
	change_list_class();
	sec_pic()
});