function externalLinks() {  
 if (!document.getElementsByTagName) return;  
 var anchors = document.getElementsByTagName("a");  
 for (var i=0; i<anchors.length; i++) {  
   var anchor = anchors[i];  
   if (anchor.getAttribute("href") &&  
       anchor.getAttribute("rel") == "external")  
     anchor.target = "_blank";  
 }  
}  
window.onload = externalLinks;

jQuery.noConflict(); /*stops clash with lightbox but requires rename of shortcut "$" */

jQuery(document).ready(function(){

	jQuery("ul.mainmenu li").click(function() { 
		
		jQuery(this).find("ul.submenu").slideToggle(200); 

		jQuery(this).hover(function() {
		}, function(){	
			jQuery(this).find("ul.submenu").slideUp(200); 
		});

		}).hover(function() { 
			jQuery(this).addClass("subhover"); 
		}, function(){	
			jQuery(this).removeClass("subhover"); 
	});

});

function bookmark(url,title){
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
  window.external.AddFavorite(url,title);
  } else if (navigator.appName == "Netscape") {
    window.sidebar.addPanel(title,url,"");
  } else {
    alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
  }
}

/* Site is not compatible with IE6, so test and warn */
if (/MSIE (\d+\.\d+)/.test(navigator.userAgent)){ 
var browser_version=new Number(RegExp.$1);
if (browser_version<=6) {
	window.alert("you are using an older version of Internet Explorer (6 or less) which is no longer supported by this website");
	}
}