//************************************************************************************
// 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;

function buildDimmerDiv()
{
    document.write('<div id="dimmer" class="dimmer" style="width:100%;height:1350px;"></div>');
}
		    
function showDialogBox(link, divName, frameName, title, width, height){
	var w, h, l, t;
	w = width;
	h = height;
	l = (getScreenWidth()/2)-(w/2);
	t = 150;//(getScreenHeight()/2)-(h/2) + getScrollHeight(); 
	
	var oFrame = document.getElementById(frameName);
	oFrame.src = link;
		
	displayFloatingDiv(divName, title, w, h, l, t);
}

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

	document.getElementById('dimmer').style.visibility = "visible";
	
	document.getElementById(divId).style.display = "block";
    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;
	
	addHeader = '<div style="position:absolute;padding: 22px 0px 0px 630px;">' +
	            '<a href="javascript:hiddenFloatingDiv(\'' + divId + '\');void(0);" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage(\'btnClose\',\'\',\'/images/public/images/close-OVER.gif\',1)"><img src="/images/public/images/close.gif" alt="Close" name="btnClose" border="0" id="btnClose" /></a>' +
	            '</div>';
	
	originalDivHTML = document.getElementById(divId).innerHTML;

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


}


//
//
//
function hiddenFloatingDiv(divId) 
{
	document.getElementById(divId).innerHTML = originalDivHTML;
	document.getElementById(divId).style.visibility='hidden';
	document.getElementById('dimmer').style.visibility = 'hidden';
	
	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 getScrollWidth()
{
   var w = window.pageXOffset ||
           document.body.scrollLeft ||
           document.documentElement.scrollLeft;
           
   return w ? w : 0;
}

function getScrollHeight()
{
   var h = window.pageYOffset ||
           document.body.scrollTop ||
           document.documentElement.scrollTop;
           
   return h ? h : 0;
}
function getScreenWidth() {
  var myWidth = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
  } else if( document.documentElement && ( document.documentElement.clientWidth ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
  } else if( document.body && ( document.body.clientWidth ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
  }
  return myWidth;
}

function getScreenHeight() {
  var myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientHeight ) ) {
    //IE 4 compatible
    myHeight = document.body.clientHeight;
  }
  return myHeight;
}

//
//
//
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
	buildDimmerDiv();

}

// call init
init();