var Util = {};

//
// getElemValues
//
// pass it a map of (name => htmlelemid) pairs
// will return a map (object) containing pairs of (name => htmlelem.value)
//
// Example:
// getElemValues({name: "nameinput", address: "addressinput"})
//
// will return:
// {name: document.getElementById("nameinput").value,
//  address: document.getElementById("addressinput").value}
//
Util.getElemValues = function getElemValues(propElemMap){
    if(Util.log) Util.log.debug("get elem values called.");

    var return_obj = {};

    for(var prop in propElemMap){
        var id = propElemMap[prop];
        var obj = document.getElementById(id);
        if(obj){
              return_obj[prop] = obj.value != ""? obj.value : null;
        }
        else{
            if(Util.log) Util.log.error("no element with id = '" + id +"'")
        }
    }

    return return_obj;
}