function get_default(){
	var defaultdoc = self.location;
	var navsection;
	
	//set up regular expression tests
	var home_test1 = new RegExp("www.emeraldacresinc.com");
	var home_test = new RegExp("index.htm");
	var lawn_test = new RegExp("lawn.htm");
	var tree_test = new RegExp("tree.htm");
	var pest_test = new RegExp("pest.htm");
	var response_test = new RegExp("response.asp");
	var articles_test = new RegExp("articles.htm");
	var about_test = new RegExp("about.htm");
	var contact_test = new RegExp("contact.htm");
	
	if (home_test.test(defaultdoc)){
		navsection = 'home';
		return (navsection);
	}	 
	if (lawn_test.test(defaultdoc)){
		navsection = 'lawn';
		return (navsection);
	}
		
	 
	if (tree_test.test(defaultdoc)){
		navsection = 'tree';
		return (navsection);
	}
	
	if (pest_test.test(defaultdoc)){
		navsection = 'pest';
		return (navsection);
	}
	
	if (articles_test.test(defaultdoc)){
		navsection = 'articles';
		return (navsection);
	}
	 
	if (about_test.test(defaultdoc)){
		navsection = 'about';
		return (navsection);
	}
	 
	if (contact_test.test(defaultdoc)){
		navsection = 'contact';
		return (navsection);
	}

	if (home_test1.test(defaultdoc)){
		navsection = 'home';
		return (navsection);
	}
	return ('nothing')
	}



	
	function set_visible(){
	var visible_object = get_default();
	var dom = findDOM("current", 1);
		if (visible_object == "home"){
		var dom1 = findDOM("homecover",1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113;
		dom.left = 17;
		} 
	
		if (visible_object == "lawn"){
		var dom1 = findDOM("lawncover", 1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113;
		dom.left = 121; 
		}
		if (visible_object == "tree"){
		var dom1 = findDOM("treecover", 1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113; 
		dom.left = 225;
		}
		if (visible_object == "pest"){
		var dom1 = findDOM("pestcover", 1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113;
		dom.left = 329; 
		}
		if (visible_object == "articles"){
		var dom1 = findDOM("articlescover", 1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113;
		dom.left = 433;
		}
		if (visible_object == "about"){
		var dom1 = findDOM("aboutcover", 1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113;
		dom.left = 537;
		}
		if (visible_object == "contact"){
		var dom1 = findDOM("contactcover", 1);
		dom.visibility = 'visible';
		dom1.visibility = 'visible';
		dom.top = 113;
		dom.left = 641;
		}
	}
	
	function swap_visibility(objectID){
	var dom = findDOM(objectID, 1);
	dom.visibility = 'visible';
	}
		
	function reset_visible(objectID){
	var dom = findDOM(objectID, 1);
	dom.visibility = 'hidden';
	}