// JavaScript Document
if (document.getElementById("headerbox")) {

        if (document.location.href.indexOf("/action/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_action.jpg";
			el[0].title ="Action";
			el[0].alt ="Action";
		}
		
		else if (document.location.href.indexOf("/about/ways_to_give/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_waystogive.jpg";
			el[0].title ="ways to give";
			el[0].alt ="ways to give";
		}
		
		else if (document.location.href.indexOf("/about/") != -1){
		   var el = document.getElementById('headerbox').getElementsByTagName('IMG');
		   el[0].src ="/assets/banner/pl_about.jpg";
		   el[0].title ="about us";
		   el[0].alt ="about us";
		}
		
		else if (document.location.href.indexOf("/clean_energy/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_cleanenergy.jpg";
			el[0].title ="clean energy";
			el[0].alt ="clean energy";
		}
		
		else if (document.location.href.indexOf("/clean_vehicles/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_cleanvehicles.jpg";
			el[0].title ="clean vehicles";
			el[0].alt ="clean vehicles";
		}
		
		else if (document.location.href.indexOf("/food_and_agriculture/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_foodandagriculture.jpg";
			el[0].title ="food and agriculture";
			el[0].alt ="food and agriculture";
		}
		
		else if (document.location.href.indexOf("/global_warming/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_globalwarming.jpg";
			el[0].title ="global warming";
			el[0].alt ="global warming";
		}
		
		else if (document.location.href.indexOf("/invasive_species/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_invasivespecies.jpg";
			el[0].title ="invasive species";
			el[0].alt ="invasive species";
		}
		
		else if (document.location.href.indexOf("/news/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_news.jpg";
			el[0].title ="news";
			el[0].alt ="news";
		}
		
		else if (document.location.href.indexOf("/nuclear_power/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_nuclearpower.jpg";
			el[0].title ="nuclear power";
			el[0].alt ="nuclear power";
		}
		
		else if (document.location.href.indexOf("/nuclear_weapons_and_global_security/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_nuclearweaponsandglobalsecurity.jpg";
			el[0].title ="nuclear weapons and global security";
			el[0].alt ="nuclear weapons and global security";
		}
		
		
		else if (document.location.href.indexOf("/policy_center/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_policycenter.jpg";
			el[0].title ="policy center";
			el[0].alt ="policy center";
		}
		
		else if (document.location.href.indexOf("/publications/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_publications.jpg";
			el[0].title ="publications";
			el[0].alt ="publications";
		}
		
		else if (document.location.href.indexOf("/ssi/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_ssi.jpg";
			el[0].title ="ssi";
			el[0].alt ="ssi";
		}
		
		else if (document.location.href.indexOf("/scientific_integrity/") != -1){
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_scientificintegrity.jpg";
			el[0].title ="scientific integrity";
			el[0].alt ="scientific integrity";
		}
		
		else{
			var el = document.getElementById('headerbox').getElementsByTagName('IMG');
			el[0].src ="/assets/banner/pl_root.jpg";
			el[0].title ="union of concerned scientists";
			el[0].alt ="union of concerned scientists";
		}

}