function getQuerystring(key, default_)
{
  if (default_==null) default_="";
  key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regex = new RegExp("[\\?&]"+key+"=([^&#]*)");
  var qs = regex.exec(window.location.href);
  if(qs == null)
    return default_;
  else
    return qs[1];
}

jQuery(function(){
   jQuery("div.svw").prepend("<img src='spinner.gif' class='ldrgif' alt='loading...'/ >"); 
});
var j = 0;
var quantofamo = 0;
jQuery.fn.slideView = function(settings) {
	  settings = jQuery.extend({
     easeFunc: "easeInOutExpo",
     easeTime: 750,
     toolTip: false
  }, settings);
	return this.each(function(){
		var container = jQuery(this);
		container.find("img.ldrgif").remove(); // removes the preloader gif
		container.removeClass("svw").addClass("stripViewer");
		var pictWidth = 0;
		container.find("img").each(function(){
			pictWidth += jQuery(this).width();
			if (jQuery.browser.msie && (jQuery.browser.version.substr(0,1)=="6"|| jQuery.browser.version.substr(0,1)=="7")) {// adjust for lousy IEs.
				pictWidth += 4;
			}
		});
		pictWidth = pictWidth/container.find("img").size();
		var pictHeight = container.find("img").height();
		var pictEls = container.find("li").size();
		var stripViewerWidth = pictWidth*pictEls;
		container.find("ul").css("width" , stripViewerWidth); //assegnamo la larghezza alla lista UL	
		//container.css("width" , pictWidth);
		container.css("height" , pictHeight);
		container.each(function(j) {
			jQuery(this).after("<div class='stripTransmitter' id='stripTransmitter" + (j) + "'><div class='jqsv_instruction'>Click the image to enlarge.</div><ul><\/ul><\/div>");
			jQuery("div#stripTransmitter" + j ).after("<div id='pic_descrip_targ'><div id='pic_descrip_stage'></div></div>");
			jQuery(this).find("li").each(function(n) {
						jQuery("div#stripTransmitter" + j + " ul").append("<li><a title='" + jQuery(this).find("img").attr("alt") + "' href='#'>"+(n+1)+"<\/a><\/li>");
						if ( null !=  jQuery(this).find('.pic_descrip').html() ) {
							jQuery("div#pic_descrip_targ").append("<div id='pic_descrip" + (n+1) + "' class='pic_descrip'>" + jQuery(this).find('.pic_descrip').html() + "</div>" );
						}
				});
			jQuery('div#pic_descrip_stage').html( jQuery('div#pic_descrip1').html() );
			jQuery("div#stripTransmitter" + j + " a").each(function(z) {
				jQuery(this).bind("click", function(){
				jQuery(this).addClass("current").parent().parent().find("a").not(jQuery(this)).removeClass("current"); // wow!
				var cnt = -(pictWidth*z);
				container.find("ul").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				jQuery('div#pic_descrip_stage').fadeOut(800, function(){ jQuery('div#pic_descrip_stage').html( jQuery('div#pic_descrip' + (z + 1) ).html()); jQuery('div#pic_descrip_stage').show();} );
				return false;
				   });
				});
			
			
				// next image via image click	14/01/2009
				jQuery("div#stripTransmitter" + j + " a").parent().parent().parent().prev().find("img").each(function(z) {
				jQuery(this).bind("click", function(){
					var ui 	= 	jQuery(this).parent().parent().parent().next().find("a");
					if(z+1 < pictEls){
						ui.eq(z+1).trigger("click");
					}
					else ui.eq(0).trigger("click");
				   });
					
				});
				
			jQuery("div#stripTransmitter" + j).css("width" , pictWidth);
			jQuery("div#stripTransmitter" + j + " a:first").addClass("current");
			this_slide = getQuerystring( 'slide', null ) - 1;
			jQuery("div#stripTransmitter" + j + " a:eq(" + this_slide + ')').click();
			if(settings.toolTip){
			container.next(".stripTransmitter ul").find("a").Tooltip({
				track: true,
				delay: 0,
				showURL: false,
				showBody: false
				});
			}
			
			});
		//j++;
  });	
};