/* ------------------------------------------
 * Script Crated By Lorenzo Zanivan | Oxalis
 * ------------------------------------------
 */
var DIALOG_OK = 1;
var DIALOG_OK_CANCEL = 2;
var DIALOG_OK_CANCEL_CHECK = 3;
var buttonResult;

function openDialog(question, type, okFunction, name, style)
{
    var textLayer = document.getElementById(name);
    if (textLayer == undefined)
        textLayer = createTextLayer(name);
    else
        textLayer.innerHTML = "";

    //TODO Show button and text
    var selectedStyle = (style != "" ? "class=\"" + style + "\"" : "");
    var text = "";
    text += "<table " + selectedStyle + ">";
    text += "<tr>";
    text += "<td>" + question + "</td>";
    text += "</tr>";

    text += "<tr>";
    if (type == DIALOG_OK)
    {
        text += "<td style=\"padding-top: 7px;\">";
        text += "<input type=\"button\" value=\"OK\" ";
        text += "onclick=\"buttonResult = 'OK'; document.getElementById('" + name + "').style.display = 'none'; setTimeout('" + okFunction + "', '0');\" />";
        text += "</td>";
    }
    else if (type == DIALOG_OK_CANCEL) 
    {
        text += "<td style=\"padding-top: 7px;\">";
        text += "<input type=\"button\" value=\"OK\" ";
        text += "onclick=\"buttonResult = 'OK'; document.getElementById('" + name + "').style.display = 'none'; setTimeout('" + okFunction + "', '0');\" /> ";
        text += "<input type=\"button\" value=\"Annulla\" ";
        text += "onclick=\"buttonResult = 'CANCEL'; document.getElementById('" + name + "').style.display = 'none';\" />";
        text += "</td>";
    }
    else if (type == DIALOG_OK_CANCEL_CHECK) 
    {
        var checkId = "cbo_" + Math.random()*500;
        text += "<td style=\"padding-top: 7px;\">";
        text += "<input type=\"checkbox\" id=\"" + checkId + "\" name=\"" + checkId + "\" value=\"OK\" />Accetto";
        text += "</td></tr><tr>";
        text += "<td style=\"padding-top: 7px;\">"
        text += "<input type=\"button\" value=\"OK\" ";
        text += "onclick=\"if (!document.getElementById('" + checkId + "').checked) { alert('E\\' necessario accettare per continuare'); return; } buttonResult = 'OK'; document.getElementById('" + name + "').style.display = 'none'; setTimeout('" + okFunction + "', '0');\" /> ";
        text += "<input type=\"button\" value=\"Annulla\" ";
        text += "onclick=\"buttonResult = 'CANCEL'; document.getElementById('" + name + "').style.display = 'none';\" />";
        text += "</td>";
    }
    text += "</tr>";		  
    text += "</table>";

    //Show Alert
    textLayer.innerHTML = text;
    textLayer.style.display = "block";

    var winW = 0;
    var winH = 0;
    if (navigator.appName=="Netscape") {
        winW = window.innerWidth;
        winH = window.innerHeight;
    }
    else if (navigator.appName.indexOf("Microsoft")!=-1) {
        winW = document.body.offsetWidth;
        winH = document.body.offsetHeight;
    }

    var leftPos = (winW - textLayer.offsetWidth)/2;
    var rightPos = (winH - textLayer.offsetHeight)/2;
    
    textLayer.style.left = leftPos + "px";
    textLayer.style.top = rightPos + "px";		
}

function resultDialog()
{
    return buttonResult;
}

function createTextLayer(name)
{
    var text = "";
    text += "<div id=\"" + name + "\" name=\"" + name + "\" style=\"position: absolute; display: none;\">";
    text += "</div>";
    document.body.innerHTML += text;
    return document.getElementById(name); 
}