/*function linkfollow(){var lg_buttons_hold=document.getElementById('top_left_column');var lg_button_links=lg_buttons_hold.getElementsByTagName('a');var zn_hold=document.getElementById('zoo_news_hold');var zn_links=zn_hold.getElementsByTagName('a');var wu_hold=document.getElementById('whats_up_hold');var wu_links=wu_hold.getElementsByTagName('a');var foot_hold=document.getElementById('foot_upperNav_cntr');var foot_links=foot_hold.getElementsByTagName('a');var seperator;for(i=0;i<lg_button_links.length;i++){if(lg_button_links[i].href.indexOf('?')!=-1)
{seperator='&';}
else{seperator='?';}
lg_button_links[i].href=lg_button_links[i].href+seperator+'hpout='+lg_button_links[i].id+'&xtr=';}
for(j=0;j<zn_links.length;j++){if(zn_links[j].href.charAt(zn_links[j].href.length-1)=='/'){zn_links[j].href=zn_links[j].href+'default.cfm';}
if(zn_links[j].href.indexOf('?')!=-1)
{seperator='&';}
else{seperator='?';}
if(zn_links[j].href.indexOf('#')!=-1){var zn_anchor_split=zn_links[j].href.split('#');zn_links[j].href=zn_anchor_split[0]+seperator+'hpout=zn&xtr='+'#'+zn_anchor_split[1];}
else{zn_links[j].href=zn_links[j].href+seperator+'hpout=zn&xtr=';}}
for(k=0;k<wu_links.length;k++){if(wu_links[k].href.charAt(wu_links[k].href.length-1)=='/'){wu_links[k].href=wu_links[k].href+'default.cfm';}
if(wu_links[k].href.indexOf('?')!=-1)
{seperator='&';}
else{seperator='?';}
if(wu_links[k].href!='http://nationalzoo.si.edu/str_rdrct.cfm'){if(wu_links[k].href.indexOf('#')!=-1){var anchor_split=wu_links[k].href.split('#');wu_links[k].href=anchor_split[0]+seperator+'hpout=wu&xtr='+'#'+anchor_split[1];}
else{wu_links[k].href=wu_links[k].href+seperator+'hpout=wu&xtr=';}}
else{wu_links[k].href=wu_links[k].href+seperator+'hpout=fzst&xtr=';}}
for(m=0;m<foot_links.length;m++){if(foot_links[m].href.indexOf('?')!=-1)
{seperator='&';}
else{seperator='?';}
foot_links[m].href=foot_links[m].href+seperator+'hpout='+foot_links[m].innerHTML+'&xtr=';}
var logo=document.getElementById('siteLogoImg');logo.href=logo.href+"?hpout=sitelogo&xtr=";var search_f=document.getElementById('head_search_form');search_f.action=search_f.action+"?hpout=search&xtr=";var h_contact=document.getElementById('head_contact');h_contact.href=h_contact.href+"?hpout=head_contact&xtr=";var subscribe=document.getElementById('subscribe');subscribe.href=subscribe.href+"?hpout=subscribe&xtr=";}*/

// JavaScript Document
	function linkfollow() {
		var lg_buttons_hold = document.getElementById('top_left_column');
		var lg_button_links = lg_buttons_hold.getElementsByTagName('a');
		var zn_hold = document.getElementById('zoo_news_hold');
		var zn_links = zn_hold.getElementsByTagName('a');
		var wu_hold = document.getElementById('whats_up_hold');
		var wu_links = wu_hold.getElementsByTagName('a');
		var foot_hold = document.getElementById('foot_upperNav_cntr');
		var foot_links = foot_hold.getElementsByTagName('a');		
		var seperator;
		
		for (i=0;i<lg_button_links.length;i++){
			if (lg_button_links[i].href.indexOf('?') != -1)
				{seperator = '&';}
				else{seperator = '?';}
				lg_button_links[i].href = lg_button_links[i].href + seperator + 'hpout=' + lg_button_links[i].id + '&xtr=';
			}

		for (j=0; j<zn_links.length; j++) {
			
			//if (zn_links[j].href != 'http://si.edu/'){
			if (zn_links[j].href.search('http://nationalzoo.si.ed') != -1){
					//alert(zn_links[j].href)
			//checks for final character
			if(zn_links[j].href.charAt(zn_links[j].href.length-1) == '/') {
				zn_links[j].href = zn_links[j].href + 'default.cfm';
			}
			
			//var link_type;
			if (zn_links[j].href.indexOf('?') != -1)
				{seperator = '&';}
				else{seperator = '?';}

				//if (zn_links[j].className.indexOf('zn_image') != -1) {
					//link_type = "image_";
					//} else if (zn_links[j].className.indexOf('zn_blurb') != -1) {
						//link_type = "blurb_";
					//}
					//else{link_type = '';}
					//zn_links[j].href = zn_links[j].href + seperator + 'hpout=zn_' + link_type + zn_links[j].href.slice(26) + '&xtr=';	
					if (zn_links[j].href.indexOf('#') != -1) {
						var zn_anchor_split = zn_links[j].href.split('#');
						zn_links[j].href = zn_anchor_split[0] + seperator + 'hpout=zn&xtr=' + '#' + zn_anchor_split[1];
						}
						else{					
							zn_links[j].href = zn_links[j].href + seperator + 'hpout=zn&xtr=';	
					}
			
			}//end check for SI website
			}
		
		for (k=0; k<wu_links.length; k++) {
			//checks for final character
			if(wu_links[k].href.charAt(wu_links[k].href.length-1) == '/') {
				wu_links[k].href = wu_links[k].href + 'default.cfm';
			}
			if (wu_links[k].href.indexOf('?') != -1)
				{seperator = '&';}
				else{seperator = '?';}
				//if (wu_links[k].href != 'http://si-iwebwcm01.us.sinet.si.edu:8090/str_rdrct.cfm'){
				if (wu_links[k].href != 'http://nationalzoo.si.edu/str_rdrct.cfm'){
					if (wu_links[k].href.indexOf('#') != -1) {
						var anchor_split = wu_links[k].href.split('#');
						wu_links[k].href = anchor_split[0] + seperator + 'hpout=wu&xtr=' + '#' + anchor_split[1];	
						}
							else{
							wu_links[k].href = wu_links[k].href + seperator + 'hpout=wu&xtr=';	
							}
					}
						else{
							wu_links[k].href = wu_links[k].href + seperator + 'hpout=fzst&xtr=';	
							}
			}
	
		for (m=0; m<foot_links.length; m++) {
			if (foot_links[m].href.indexOf('?') != -1)
				{seperator = '&';}
				else{seperator = '?';}					
					foot_links[m].href = foot_links[m].href + seperator + 'hpout=' + foot_links[m].innerHTML + '&xtr=';	
			}
		
		var logo = document.getElementById('siteLogoImg');
		logo.href = logo.href + "?hpout=sitelogo&xtr=";
		
		var search_f = document.getElementById('head_search_form');
		search_f.action = search_f.action + "?hpout=search&xtr=";
		
		var h_contact = document.getElementById('head_contact');
		h_contact.href = h_contact.href + "?hpout=head_contact&xtr=";

		var subscribe = document.getElementById('subscribe');
		subscribe.href = subscribe.href + "?hpout=subscribe&xtr=";
		
	}