var redlist=new Array();
var url_prefix="http://www.greenpeace.org/canada/en/campaigns/oceans/what-we-do/sustainable-seafood-markets/redlist/";
var img_url_prefix="http://www.greenpeace.org/canada/assets/graphics/campaign-graphics/oceans/redlist240/";



// INITIALIZE THE ARRAY & DEFINE STRUCTURE


redlist[0]=new Array();
redlist[0]['img_src'] = "atlantic-cod-other";
redlist[0]['url'] = "atlantic-cod";
redlist[0]['display_name'] = "Atlantic cod";

redlist[1]=new Array();
redlist[1]['img_src'] = "haddock";
redlist[1]['url'] = "haddock";
redlist[1]['display_name'] = "Atlantic haddock (scrod)";

redlist[2]=new Array();
redlist[2]['img_src'] = "atlantic-halibut";
redlist[2]['url'] = "halibut";
redlist[2]['display_name'] = "Atlantic halibut";

redlist[3]=new Array();
redlist[3]['img_src'] = "atlantic-salmon";
redlist[3]['url'] = "atlantic-salmon";
redlist[3]['display_name'] = "Atlantic salmon (farmed)";

redlist[4]=new Array();
redlist[4]['img_src'] = "scallops";
redlist[4]['url'] = "scallops";
redlist[4]['display_name'] = "Atlantic sea scallops";

redlist[5]=new Array();
redlist[5]['img_src'] = "patagonian-toothfish-other";
redlist[5]['url'] = "seabass";
redlist[5]['display_name'] = "Chilean Seabass";

redlist[6]=new Array();
redlist[6]['img_src'] = "greenleand-halibut-other";
redlist[6]['url'] = "greenland-halibut";
redlist[6]['display_name'] = "Greenland halibut (Turbot)";

redlist[7]=new Array();
redlist[7]['img_src'] = "hardshell-clam-other";
redlist[7]['url'] = "clam";
redlist[7]['display_name'] = "Hard shell clams (Arctic Surf clams)";

redlist[8]=new Array();
redlist[8]['img_src'] = "hoki";
redlist[8]['url'] = "hoki";
redlist[8]['display_name'] = "New Zealand hoki";

redlist[9]=new Array();
redlist[9]['img_src'] = "orange-roughy";
redlist[9]['url'] = "orange-roughy";
redlist[9]['display_name'] = "Orange roughy";

redlist[10]=new Array();
redlist[10]['img_src'] = "shark-othersource";
redlist[10]['url'] = "sharks";
redlist[10]['display_name'] = "Sharks";

redlist[11]=new Array();
redlist[11]['img_src'] = "stake-common";
redlist[11]['url'] = "stakes";
redlist[11]['display_name'] = "Skates and rays";

redlist[12]=new Array();
redlist[12]['img_src'] = "swordfish";
redlist[12]['url'] = "swordfish";
redlist[12]['display_name'] = "Swordfish";

redlist[13]=new Array();
redlist[13]['img_src'] = "shrimp";
redlist[13]['url'] = "shrimps-prawns";
redlist[13]['display_name'] = "Tropical shrimps and prawns";

redlist[14]=new Array();
redlist[14]['img_src'] = "bluefintuna";
redlist[14]['url'] = "tuna";
redlist[14]['display_name'] = "Tuna - bluefin, bigeye, yellowfin";

var num_species=redlist.length;



/* preparing data for previosu/next menu */
var current_url=location.href;
var last_item=num_species-1;
var is_first=false;
var is_last=false;
var current_index="";

//determin if we are in first or last position of the array
if( current_url.lastIndexOf(redlist[0]['url']) !=-1 ){
	is_first=true;
}
if(current_url.lastIndexOf(redlist[last_item]['url'])!=-1){
	is_last=true;
}

//determin at which position we are in the array
for(i=0;i<num_species;i++){
	if(current_url.lastIndexOf(redlist[i]['url'])!=-1){
		current_index=i;
	}
}

var previous=current_index-1;
var next=current_index+1;

/* writing previous/next menu */


document.write("<div id='navbox-plus-minus'>");
if(!is_first){document.write("<a href="+url_prefix+redlist[previous]['url']+">Previous</a>");}
else{document.write("<a href="+url_prefix+redlist[last_item]['url']+">Previous</a>");}
document.write(" | ");
if(!is_last){document.write("<a href="+url_prefix+redlist[next]['url']+">Next</a>");}
else{document.write("<a href="+url_prefix+redlist[0]['url']+">Next</a>");}
document.write("</div>");


/*	writing the scroll down menu in for loop*/
document.write("<ul id='nav-one' class='nav'>");
document.write("<li><a href='#'>Select a species</a>");
document.write("<ul>");
for(i=0;i<num_species;i++){
	document.write("<li><a href="+url_prefix+redlist[i]['url']+">"+redlist[i]['display_name']+"</a></li>");
}
document.write("</ul>");
document.write("</li>");
document.write("</ul>");