/*
 * Console logger
 * 
 * Message variables
 *  %s	String
 *  %d, %i	Integer (numeric formatting is not yet supported)
 *  %f	Floating point number (numeric formatting is not yet supported)
 *  %o	Object hyperlink
 * 
 *  only logs if globalVars.log = true
 */

$.log = function() {
     if (window.console) {

        if ($.browser.safari) {

            // Safari console

            var args = arguments[0];

            window.console.log(args); // fix to show args, Safari doesn't like .apply

        }

        if ($.browser.mozilla) {

            // Firefox with firebug

            window.console.log.apply(this, arguments);

        }

    } else {

    

        // no Firebug

    

        //alert(message);

    

    }

};
	

// Jquery DOM ready functions

	$(document).ready(function(){

		// de-obfuscate SPAM-proof email addresses
		function deobfuscate(x){
			return x.replace("--a@t--","@");
		}
		$("a").each(function (i){
			var h = this.href;
			if (h.indexOf("mailto")==0) {
				var t = deobfuscate($(this).html());
				this.href = deobfuscate(h);
				$(this).html(t);
			}
		});
		
		// tag external links
		var pre = "/LINK/";				// prefix to add to URL for GA tracking code
		$('a[href^="http://"]')
			.addClass('external')			// add CSS class for styling
			.attr('target', '_blank')		// open in popup window
			.click(function(){				// GA tracking code
				var href = $(this).attr("href");
				href = href.substr(7,9999);	// trim off http://
				var i = href.indexOf("www.");	// trim off www.
				if (i===0){
					href = href.substr(4,9999);
				}
				href = encodeURI(href);		// encode URL
				$.log(pre + href);			// log href to console
				pageTracker._trackPageview(pre + href)	// GA tracker code
				//return false;				// cancel link action
			})
		;
		
		/*  
		 * track events with GA
		 */
		
		/* cover photo popups */
		$("a.cover-thumb").click(function(){
			$.log("cover image popup clicked");
			pageTracker._trackEvent("Images", "Popup", "Cover photo");
		});

		// sidebar nav menu animation
		var nav_prefix_group = "nav_links_";
		var nav_last_group = null;
		$("#nav li").not("#" + nav_prefix_group + "home").find("h3 a").click(function(){
			var sel;
			// get group id
			var gid = $(this).parent().parent().attr("id");
			gid = gid.replace(nav_prefix_group,"");
			$.log("nav heading %o clicked",gid);
			// quit if same group as opened
			if (gid == nav_last_group){
				//$.log("last group same as this group");
				return false;
			}
			nav_select(gid, true);
			// cancel default action
			return false;
		});
		function nav_select(gid, action){
			// close last group
			if (nav_last_group != null) {
				sel = "#nav #" + nav_prefix_group + nav_last_group; 
				$(sel + " h3").removeClass("selected");
				if (action) {
					$(sel + " ul").slideUp("fast");
				//$(sel + " ul").hide();
				} else {
					$(sel + " ul").hide();					
				}
				//$.log("hiding group %o (%s)",nav_last_group,sel);
			}
			// open selected group
			sel = "#nav #" + nav_prefix_group + gid; 
			$(sel + " h3").addClass("selected");
			if (action) {
				$(sel + " ul").slideDown("fast");
			} else {
				$(sel + " ul").show();					
			}
			//$.log("showing group %o (%s)",gid,sel);
			// set last group
			nav_last_group = gid;	
		}
		// open current group
		if (typeof nav_current_group != "undefined"){
			nav_select(nav_current_group,false);
		} else {
			nav_current_group = null;
		}
		
		// cover photo error image replacement
		$(".cover-gallery img, .issue-cover img").error(function(){
			$(this)
				.attr("src","/articles/covers/na.gif")
				.attr("title","No image available")
			;
			var link = $(this).parent();
			var contents = link.html();
			link.replaceWith(contents);
		});		
	});



	// send email from SPAM-safe link

	   function SafeMailClick (pre, suff) {
	       email = pre + "@" + suff;
	       url = "mai"+"l"+"to"+":" + email;
	       //obj.innerHTML = email;
	       document.location=url;
	   }

// Firefox search plugin

	function errorMsg()
	{
	 alert("Netscape 6 or Mozilla is needed to install a sherlock plugin");
	}
	function addEngine(name,ext,cat,type)
	{
	 if ((typeof window.sidebar == "object") && (typeof
	 window.sidebar.addSearchEngine == "function"))
	 {
	   //cat="Web";
	   //cat=prompt('In what category should this engine be installed?','Web')
	   window.sidebar.addSearchEngine(
	     "http://www.agpowermag.com/mozillasearch/"+name+".src",
	     "http://www.agpowermag.com/mozillasearch/"+name+"."+ext,
	     name,
	     cat );
	 }
	 else
	 {
	   errorMsg();
	 }
	}




// old page load functions
/*
	timer_start = 0;
	timer_php = 0;
	function getmicrotime() {
		timer = new Date();
		return timer.getTime();
	}

	function pageLoad() {
		if (timer_start) {
			timer_stop = getmicrotime();
			timer_html = parseInt(timer_stop - timer_start);
			if (timer_php) {
				timer_php = parseInt(timer_php*1000);
				timer_total = parseInt(timer_html + timer_php);
			} else {
				timer_total = timer_html;
			}
			timer_total = parseFloat(timer_total / 1000);
			t = document.getElementById("timer_label");
			t.innerHTML = timer_total;
		}
		// set focus to first text field if available			
		// set focus to first text field in first form			
		focus_set = false;
		if (document.forms.length > 0) {				
		  var field = document.forms[0];
			for (i = 1; i < field.length; i++) {					
			  if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea")) {						
			    	document.forms[0].elements[i].focus();						
					focus_set = true;
					break;					
				}	      			
			}
  		}
		if (!focus_set) {
			// set to sidebar search if no field selected
			//document.sidebar_search.searchstr.focus();
		}
	}
*/