function parseurl(){
		  	var args = new Object();
			var query = location.search.substring(1);
			var pairs = query.split("&");
			for (var i = 0; i < pairs.length; i++){
				if(pairs[i].indexOf("=") != -1){
					var nvpair = pairs[i].split("=");
					var argname = nvpair[0];
					var value = nvpair[1];
					args[argname] = unescape(value);
				}
			}
			return args;
		  }
		  
		  function changelang(s){
		  	var urlargs = parseurl();
			
			//Build query string, excluding the language_id param
			
			var urlparams = "";
			
			for(x in urlargs){
				if(x != "language_id"){
					urlparams = x + "=" + urlargs[x] + "&" + urlparams;
				}
			}
			
		  	var loc = "wfhdomainland.cfm?" + urlparams + "language_id=" + s.options[s.selectedIndex].value;
		  	document.location = loc;
		  }