function initLinks(){
	var hostname = window.location.hostname;
	hostname = hostname.replace("www.","").toLowerCase();
	var a = document.getElementsByTagName("a");	
	this.check = function(obj){
		var href = obj.href.toLowerCase();
		return (href.indexOf("http://")!=-1 && href.indexOf(hostname)==-1) ? true : false;				
	};
	this.set = function(obj){
		obj.target = "_blank";
		obj.className += " external";
		obj.title += "This link will open in a new window.";
	};
	this.checkpdf = function(obj){
		var href = obj.href.toLowerCase();
		return (href.indexOf("pdf")!=-1) ? true : false;				
	};
	this.setpdf = function(obj){
		obj.target = "_blank";
		if (obj.className!="large" && obj.className!="thumb") {
			obj.className += " pdf";
		}
		obj.title += "This PDF will open in a new window.";
	};
	for (var i=0;i<a.length;i++){
		if(check(a[i])) set(a[i]);
		if(checkpdf(a[i])) setpdf(a[i]);
		if (a[i].className.indexOf("photopop") != -1) {
			addAnEvent(a.item(i),'click',photopop);			
		}
	};		
};

function photopop(){
    appWindow = window.open (this.href,"appWindow","width=355,height=500,toolbar=0,resizable=1,scrollbars=1");
    appWindow.focus ();
    return false;
}

function initButtons(){
	var inputs = document.getElementsByTagName("input");
	for (var i = 0; i<inputs.length; i++){
		if(inputs[i].type=="image"){
			addAnEvent(inputs.item(i),'mouseover',buttonHover);
			addAnEvent(inputs.item(i),'mouseout',buttonHoverout);
			inputs.item(i).style.borderWidth = "0px"
		}
	}
}
function buttonHover(){
	if (this.src.indexOf("1") == -1){
		var file = this.src.split(".gif");
		this.src = file[0] + "1.gif";
	}
}
function buttonHoverout(){
	var file = this.src.split("1.gif");
	this.src = file[0] + ".gif";
}

function initImages(){
	var divs = document.getElementById("entries").getElementsByTagName("div");
	for (var i = 0; i<divs.length; i++){
		if (divs[i].className == "entrybody"){
			var imgs = divs[i].getElementsByTagName("img");
			for (var j = 0; j<imgs.length; j++){
				var isrc = imgs[j].getAttribute("src");
				
				var title = imgs[j].getAttribute("alt");
			 	var divCaption = document.createElement("div");
				var divCaption_text = document.createTextNode(title);
				divCaption.appendChild(divCaption_text);
				var divContainer = document.createElement("div");
				divContainer.className="imgwrap";
				var img = imgs[j]
				if (img.style.cssFloat == "right") divContainer.className+=" r";
				img.setAttribute("style","");
				imgs[j].parentNode.insertBefore(divContainer,imgs[j]);
				divContainer.appendChild(imgs[j]);
				insertAfter(divCaption,imgs[j]);				
				
 				// var isrcbits = isrc.split(".");
 				//  				largeimgsrc = "";
 				//  				for (var k = 0; k<isrcbits.length-1; k++){
 				//  					if (k != 0) largeimgsrc += ".";
 				//  					largeimgsrc += isrcbits[k];
 				//  				}
 				//  				largeimgsrc += "-lg."+isrcbits[isrcbits.length-1];
 				//  				var largeimg=new Image();
 				// 			var imageyes = 1
 				//  			    largeimg.onerror=function isBad(){
 				// 				alert("no");
 				//  					imageyes = 0;
 				//  				}
 				// 			largeimg.src=largeimgsrc;
 				// 			
 				// 			if (imageyes == 1){
 				// 				var viewlarge = document.createElement("a"); 
 				//  					viewlarge.setAttribute("href", largeimgsrc); 
 				//  					viewlarge.setAttribute("target", "_blank");
 				//  					atext = document.createTextNode("(view larger)");
 				//  					viewlarge.appendChild(atext); 
 				//  					insertAfter(viewlarge,divCaption);
 				// 			}
								
					
			}
		}
	}
};

function insertAfter(newElement,targetElement) {
  var parent = targetElement.parentNode;
  if (parent.lastChild == targetElement) {
    parent.appendChild(newElement);
  } else {
    parent.insertBefore(newElement,targetElement.nextSibling);
  }
}

function siteEmail(user){
	var hostname = "jnorman.com";
	document.write("<a href=" + "mail" + "to:" + user + "@" + hostname + ">" + user + "@" + hostname + "</a>")
}

var google_text_color = '#000000';

var google_link_colors = new Array('#ffff66','#a0ffff','#99ff99','#ff9999','#ff66ff');

function init_google(){
	var pattern = /google\./i;
	if (pattern.exec(document.referrer) != null){
		var url_parts = document.referrer.split('?');
		if (url_parts[1]){ 
			var url_args = url_parts[1].split('&');
			for(var i=0; i<url_args.length; i++){
				var keyval = url_args[i].split('=');
				if (keyval[0] == 'q'){
					go_google(decode_url(keyval[1]));
					return;
				}
			}
		}
	}
}

function decode_url(url){
	return unescape(url.replace(/\+/g,' '));
}

function go_google(terms){
	terms = terms.replace(/\"/g,"");
	var terms_split = terms.split(' ');
	var c = 0;
	for(var i=0; i<terms_split.length; i++){
		if (terms_split[i] != "and" && terms_split[i] != "a" && terms_split[i] != "an" && terms_split[i] != "or" && terms_split[i] != "if" && terms_split[i] != "of" && terms_split[i] != "the" && terms_split[i] != "but"){
			highlight_goolge(terms_split[i], document.getElementById("entries"),google_link_colors[c]);
			c = (c == google_link_colors.length-1)?0:c+1;
		}
	}
}

function highlight_goolge(term, container, color){
	var term_low = term.toLowerCase();

	for(var i=0; i<container.childNodes.length; i++){
		var node = container.childNodes[i];

		if (node.nodeType == 3){
			var data = node.data;
			var data_low = data.toLowerCase();
			if (data_low.indexOf(term_low) != -1){
				//term found!
				var new_node = document.createElement('SPAN');
				node.parentNode.replaceChild(new_node,node);
				var result;
				while((result = data_low.indexOf(term_low)) != -1){
					new_node.appendChild(document.createTextNode(data.substr(0,result)));
					new_node.appendChild(create_node_google(document.createTextNode(data.substr(result,term.length)),color));
					data = data.substr(result + term.length);
					data_low = data_low.substr(result + term.length);
				}
				new_node.appendChild(document.createTextNode(data));
			}
		}else{
			//recurse
			highlight_goolge(term, node, color);
		}
	}
}

function create_node_google(child, color){
	var node = document.createElement('SPAN');
	node.style.backgroundColor = color;
	node.style.color = google_text_color;
	node.appendChild(child);
	return node;
}

function addAnEvent(target, eventName, functionName){
	eval('target.on'+eventName+'=functionName');
}

function initPage(){
	if (document.getElementById){
		initImages();
		initLinks();
		initButtons();
		init_google();	
	}
}

window.onload=initPage;