// Current Page Reference
                    // copyright Stephen Chapman, 1st Jan 2005
                    // you may copy this function but please keep
                    //the copyright notice with it
                    function getURL(uri) {
                    uri.dir = location.href.substring(0,location.href.lastIndexOf('\/'));
                    uri.dom = uri.dir; 
                    if (uri.dom.substr(0,7) == 'http:\/\/') uri.dom = uri.dom.substr(7);
                    uri.path = ''; 
                    var pos = uri.dom.indexOf('\/'); 
                    if (pos > -1){
                    	uri.path = uri.dom.substr(pos+1); 
                    	uri.dom = uri.dom.substr(0,pos);
                    }
                    uri.page = location.href.substring(uri.dir.length+1,location.href.length+1);
                    pos = uri.page.indexOf('?');
                    if (pos > -1) {
                    	uri.page = uri.page.substring(0, pos);
                    }
                    pos = uri.page.indexOf('#');
                    if (pos > -1) {
                    	uri.page = uri.page.substring(0, pos);
                    }
                    uri.ext = ''; 
                    pos = uri.page.indexOf('.');
                    if (pos > -1){
                    	uri.ext =uri.page.substring(pos+1); 
                    	uri.page = uri.page.substr(0,pos);
                    }
                    uri.file = uri.page;
                    
                    if (uri.ext != '') uri.file += '.' + uri.ext;
                    if (uri.file == '') uri.page = 'index';
                    uri.args = location.search.substr(1).split("?");
                    //language
                    uri.lang = "";
                    uri.lang_index = location.href.indexOf('\/en\/');
                    //alert (uri.lang_index);
                    if (uri.lang_index <= 0) {
                    	uri.lang_index = location.href.indexOf('\/el\/');
                    }
                    
                    if (uri.lang_index > 0) {
                    	uri.lang = location.href.substring(uri.lang_index+1,uri.lang_index+3);
                    }                    
                    return uri;
                    }

                    var uri = new Object();
                    getURL(uri);
                    
                    function uri_changeLang(lang){
                    
                    	var current_lang = uri.lang;
                    	var current_location = location.href;
                    	var new_location = current_location.replace('\/' + current_lang + '\/', '\/' + lang + '\/');
                    	//alert('new location: ' + new_location);
                    	window.location = new_location;
                    
                    }