selector.model = {
        template: {
            'Id': (/^#(\w+)/), // 1: id
            'Class': (/^\.(\w+)/), // 1: class
            'Tag': (/^([a-z]+[1-7]*)/i), // 1: tag
            'Attr': (/^\[(\w+?)(([~\^\$\*]*=)(['"])(.*?)\4)*\]/), // 1: attr; 3: flag; 5: value;
            'Child': (/^>/),
            'Sibling': (/^\+/),
            'Next': (/^\s+/) 
        },
        byId: function(id) {
            return d.getElementById(id)? [d.getElementById(id)] : [];    
        },
        byTag: function(parent, tag) {
            var result = [];
            var stag = tag? tag : '*'
            var temp;
            ui.each(parent, function(v, i) {
                temp = v.getElementsByTagName(stag);
                if(temp) {
                    result = result.concat(ui.toArray(temp));
                }
            });
            var ss = result;
            return result;
        },
        byChild: function(parent, tag) {
            var result = [];
            ui.each(parent, function(v, i) {
                childs = ui.toArray(v.childNodes);
                ui.each(childs, function(vi, ii) {
                    if(vi.nodeType == 1) {
                        if(!tag || (tag && vi.nodeName.toLowerCase() == tag)) {
                            result.push(vi);        
                        }    
                    }                        
                });                    
            });    
            return result;
        },
        bySibling: function(nodes, tag) {
            var result = [];
            var temp;
            ui.each(nodes, function(v, i) {
                temp = v;                    
                while(temp.nextSibling) {
                    temp = temp.nextSibling;
                    if(temp.nodeType == 1) {
                        if(!tag || tag && temp.nodeName.toLowerCase() == tag) {
                            result.push(temp);
                            break;
                        }    
                    }
                }                        
            });
            return result;
        },        
        byAttr: function(nodes, k, v, f) {
            var result = [];
            var fi = f? f : '=';
            var vi = v? v : '\[\.\\s\\S]\+';
            var reg = fi == '~='? '(^|\\s)' + vi + '(\\s|$)' : fi == '^='? '^' + vi : fi == '$='? vi + '$' : fi == '*='? vi : '^' + vi + '$';
            reg = new RegExp(reg);
            var ki = ui.browser.ie && k == 'class'? 'className' : k;
            var att;
            ui.each(nodes, function(vii, i) {
                att = vii.getAttribute(ki);
                if(att && reg.test(att)) {
                    result.push(vii);    
                }                       
            });                    
            return result;
        },
        byClass: function(nodes, cl) {
            var result = []