function buildPageName(obj) {
            var cID = obj.value;
            
            if (obj.checked) {
                if (opageName.indexOf("spr=")>0)
                    pageName = opageName + "," + cID;
                else
                    pageName = opageName + "?spr=" + cID;
            } else {
                pageName = pageName.replace("," + cID + ",",",");
                pageName = pageName.replace("spr,","spr=");                
            }
            window.location.href = pageName;
        }
        function buildPageNameL(cID, objName, qN, chb) {
           obj = document.getElementById(objName);
            var sprN = sprE;
            var brN = brE;
            
            if (obj != null){
                if (qN == "spr")
                {
                    if (!obj.checked && chb == '0' || obj.checked && chb == '1') {
                    
                            if (sprE != "")
                                sprN = sprE + "," + cID;
                            else
                                sprN = cID;

                            if (chb == '0')
                                obj.checked = true;
                        
                    } else {
                        sprN = sprE.replace("," + cID + ",",",");
                        if (chb == '0')
                            obj.checked = false;              
                    }
                }
                if (qN == "br")
                {
                    if (!obj.checked && chb == '0' || obj.checked && chb == '1') {
                    
                            if (brE != "")
                               brN = brE + "," + cID;
                            else
                               brN = cID;

                            if (chb == '0')
                                obj.checked = true;
                        
                    } else {
                        brN = brE.replace("," + cID + ",",",");
                        if (chb == '0')
                            obj.checked = false;              
                    }
                }
                pageName = opageName + "?spr=" + sprN.replace(',,',',') + "&br=" + brN.replace(',,',',');
                window.location.href = pageName;
            }
        }