//************************************************************************************
// Copyright (C) 2006, Massimo Beatini
//
// This software is provided "as-is", without any express or implied warranty. In 
// no event will the authors be held liable for any damages arising from the use 
// of this software.
//
// Permission is granted to anyone to use this software for any purpose, including 
// commercial applications, and to alter it and redistribute it freely, subject to 
// the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not claim 
//    that you wrote the original software. If you use this software in a product, 
//    an acknowledgment in the product documentation would be appreciated but is 
//    not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be 
//    misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
//************************************************************************************

//
// global variables
//
var isMozilla;
var objDiv = null;
var originalDivHTML = "";
var DivID = "";
var over = false;


//Funzioni cookie
function setCookie(c_name,value,expiredays) {
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}

function getCookie(c_name) {
if (document.cookie.length>0) {
  var c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1) {
    c_start=c_start + c_name.length+1;
    var c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function checkCookie() {
var username=getCookie('allerta');
if (username!=null && username=="fatto")  {
  //alert('Welcome again '+username+'!');
 	 return 0;
  } else   {
  //username=prompt('Please enter your name:',"");
    setCookie('allerta','fatto',1);
	return 1;
  }
}

//
// dinamically add a div to 
// dim all the page
//
function buildDimmerDiv()
{
    document.write('<div id="dimmer" class="dimmer" style="width:'+ (window.screen.width-50) + 'px; height:' + window.screen.height +'px"></div>');
}


//
//
//
function displayFloatingDiv(divId, title, width, height, left, top) 
{
	DivID = divId;

	document.getElementById('dimmer').style.display = "block";
	document.getElementById(divId).style.display = "block";

    document.getElementById(divId).style.borderRadius = '15px';
    document.getElementById(divId).style.MozBorderRadius = '15px';
    document.getElementById(divId).style.WebkitBorderRadius = '15px';
    document.getElementById(divId).style.width = width + 'px';
    document.getElementById(divId).style.height = height + 'px';
    document.getElementById(divId).style.left = left + 'px';
    document.getElementById(divId).style.top = top + 'px';
	
	var addHeader;
	
	if (originalDivHTML == "")
	    originalDivHTML = document.getElementById(divId).innerHTML;
	
	addHeader = '<table style="width:' + (width-30) + 'px" class="floatingHeader">' +
	            '<tr><td ondblclick="void(0);" onmouseover="over=true;" onmouseout="over=false;" style="cursor:move;height:22px; color:#990000; width:auto; font-size:1.3em;">' + title + '</td>' + 
	            '<td style="width:25px" align="right"><a href="javascript:hiddenFloatingDiv(\'' + divId + '\');document.getElementById(\'dimmer\').style.display=\'none\'; void(0);">' + 
	            '<img alt="Chiudi..." title="Chiudi..." src="/wp-content/themes/mymag/float/close.jpg" border="0"></a></td></tr></table>';
	

    // add to your div an header	
	document.getElementById(divId).innerHTML = addHeader + originalDivHTML;
	
	
	document.getElementById(divId).className = 'dimming';
	document.getElementById(divId).style.display = "visible";


}


//
//
//
function hiddenFloatingDiv(divId) 
{
	document.getElementById(divId).innerHTML = originalDivHTML;
	document.getElementById(divId).style.display='none';
	document.getElementById('dimmer').style.display = 'none';
	
	DivID = "";
}

//
//
//
function MouseDown(e) 
{
    if (over)
    {
        if (isMozilla) {
            objDiv = document.getElementById(DivID);
            X = e.layerX;
            Y = e.layerY;
            return false;
        }
        else {
            objDiv = document.getElementById(DivID);
            objDiv = objDiv.style;
            X = event.offsetX;
            Y = event.offsetY;
        }
    }
}


//
//
//
function MouseMove(e) 
{
    if (objDiv) {
        if (isMozilla) {
            objDiv.style.top = (e.pageY-Y) + 'px';
            objDiv.style.left = (e.pageX-X) + 'px';
            return false;
        }
        else 
        {
            objDiv.pixelLeft = event.clientX-X + document.body.scrollLeft;
            objDiv.pixelTop = event.clientY-Y + document.body.scrollTop;
            return false;
        }
    }
}

//
//
//
function MouseUp() 
{
    objDiv = null;
}


//
//
//
function init()
{
    // check browser
    isMozilla = (document.all) ? 0 : 1;


    if (isMozilla) 
    {
        document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP);
    }

    document.onmousedown = MouseDown;
    document.onmousemove = MouseMove;
    document.onmouseup = MouseUp;

    // add the div
    // used to dim the page
	if (getCookie('allerta')!="fatto") buildDimmerDiv();

}

// call init
init();