var CLASS_VISIBLE = "block"
var CLASS_INVISIBLE = "none"

function ShowDiv(NomDiv) {

    var classObj = eval("document.all." + NomDiv + ".style.display");

    classObj = classObj.toLowerCase().replace(CLASS_INVISIBLE, "")
    classObj = classObj.toLowerCase().replace(CLASS_VISIBLE, "")

    if (classObj.length > 0)
        classObj = CLASS_VISIBLE + " " + classObj;
    else
        classObj = CLASS_VISIBLE;

    eval("document.all." + NomDiv + ".style.display='" + classObj + "'");

}
function HideDiv(NomDiv) {

    var classObj = eval("document.all." + NomDiv + ".style.display");

    classObj = classObj.toLowerCase().replace(CLASS_INVISIBLE, "")
    classObj = classObj.toLowerCase().replace(CLASS_VISIBLE, "")

    if (classObj.length > 0)
        classObj = CLASS_INVISIBLE + " " + classObj;
    else
        classObj = CLASS_INVISIBLE;
    eval("document.all." + NomDiv + ".style.display='" + classObj + "'");


}

var v=navigator.appVersion.charAt(0) > '2';
var ie=navigator.appVersion.indexOf('MSIE') >= 0;

function openWindow(url, name, param) {
    var LWinId = null;
    if (ie) {
        LWinId = top.open( url, name, param );
    }
    else {
        LWinId = top.open( "", name, param );
        LWinId.location.replace( url );
    }
    if (v) {
        LWinId.focus();
    }
}