function Articles(action){
		var url = "/articles_show.php?action="+action;		
		var w = screen.width;
		var h = screen.height;
		var win_w = 750;
		var win_h = 550;
		var left = (w / 2) - (win_w / 2);
		var top = (h / 2) - (win_h / 2);
		var dim = eval('"width='+win_w+',height='+win_h+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,top='+top+',left='+left+'"');
		Npop = window.open(url,"popArticles",dim);
		Npop.focus();
	}
	
	function Testimony(action){
		var url = "/testimony_show.php?action="+action;		
		var w = screen.width;
		var h = screen.height;
		var win_w = 750;
		var win_h = 550;
		var left = (w / 2) - (win_w / 2);
		var top = (h / 2) - (win_h / 2);
		var dim = eval('"width='+win_w+',height='+win_h+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,top='+top+',left='+left+'"');
		Npop = window.open(url,"popTestimony",dim);
		Npop.focus();
	}
	
	function Sem(action){
		var url = "/semdesc_show.php?action="+action;		
		var w = screen.width;
		var h = screen.height;
		var win_w = 750;
		var win_h = 550;
		var left = (w / 2) - (win_w / 2);
		var top = (h / 2) - (win_h / 2);
		var dim = eval('"width='+win_w+',height='+win_h+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,top='+top+',left='+left+'"');
		Npop = window.open(url,"popSemDesc",dim);
		Npop.focus();
	}
	
	function Coaching(){
		var url = "/coaching_example.php";		
		var w = screen.width;
		var h = screen.height;
		var win_w = 750;
		var win_h = 550;
		var left = (w / 2) - (win_w / 2);
		var top = (h / 2) - (win_h / 2);
		var dim = eval('"width='+win_w+',height='+win_h+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,top='+top+',left='+left+'"');
		Npop = window.open(url,"popArticles",dim);
		Npop.focus();
	}