var jsDOM0 = (document.all);
var jsDOM1 = (document.getElementById);
var jsDOM = jsDOM0 || jsDOM1;

function getObj (name) {
    if (typeof name == "object") return name;
    if (jsDOM1) return document.getElementById(name);
    if (jsDOM0) return eval('document.all.'+name);
    else return null;
}

function getObjCSSProp(obj,prop) {
    var x;
    if (obj.style) x=eval("obj.style."+prop); else x=null;
    return x;
}

function setObjCSSProp(obj,prop,val) {
    var x=eval("obj.style."+prop+"='"+val+"'");
    return obj;
}

function getObjDisplayed(obj) {
    var x = getObjCSSProp(obj,'display'); x=(x!='none');
    return x;
}

function setObjDisplayed(obj,show) {
    return setObjCSSProp(obj,'display',(show)?'block':'none');
}