var folder = 'content/';
var container = "contentDiv";

var params;
var loading = false;

function loadPage(params) {
	if (loading !== true) {
		loading = true;
		new Ajax.Request(folder + params + '.html',
			{
				method:'get',
				onSuccess: function(transport){
					var response = transport.responseText;
					$(container).innerHTML = response;
					loading = false;
				}
			}
		);	
	}
}