$(function() {
		   
	//Youtube preview image	
		$('.url').each(function() {		
    var ele_id=$(this).attr('id').replace('vid','');

	if($(this).val() != ''){
            // Get youtube video's thumbnail url
            // using jYoutube jQuery plugin
            url = $.jYoutube($(this).val());
            
            // Now append this image to <div id="thumbs">
            $('#lk'+ele_id).append($('<img src="'+url+'" width="156" height="115" />'));
        }
  });
		//end preview image
		
	$("a[rel^='prettyPhoto']").prettyPhoto({theme: 'facebook'});
	$('#bottom_msj').fadeOut('slow', blinkblink());
	
	

	
});
function blinkblink(){
	$('#bottom_msj').fadeIn(1000);
	$('#bottom_msj').fadeOut(1000);
	blinkblink();
}
<!-- Script for selecting the language -->
function lang_select(lang_var)
{ 
	var var1=document.forms["lang_form"].elements["lang_var"].value=lang_var;
	//alert(lang_var);
	document.forms["lang_form"].submit();
}