//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll)
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){

	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
	return arrayPageSize;
}




function showLightBox( contentID )
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        show($('overlay'),false);
        //objOverlay.style.display = 'block';
        var boxSizeWidth = 250;
        var boxSizeHeight = 150;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');
        objLightbox.innerHTML = $(contentID).innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('login-form-lbox'),false);
}

function showLightBoxWithSize( contentID, width,height )
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        show($('overlay'),false);
        //objOverlay.style.display = 'block';
        var boxSizeWidth = width;
        var boxSizeHeight = height;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');
        objLightbox.innerHTML = $(contentID).innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('login-form-lbox'),false);
}



function showLightBoxImg( contentID, imgurl )
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        //objOverlay.style.display = 'block';
        var boxSizeWidth = 640;
        var boxSizeHeight = 500;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');
        imgobj = contentID.getElementsByTagName("img");
        imgobj[0].src = imgurl;

        objLightbox.innerHTML = $(contentID).innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('overlay'),false);
        show($('login-form-lbox'),false);
 }


function showLightBoxImgBlog( contentID, imgurl, width, height )
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        //objOverlay.style.display = 'block';
        var boxSizeWidth = width;
        var boxSizeHeight = height;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');
        imgobj = contentID.getElementsByTagName("img");
        imgobj[0].src = imgurl;

        objLightbox.innerHTML = $(contentID).innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('overlay'),false);
        show($('login-form-lbox'),false);
 }


function showLightBoxMail( contentID, nodeID, reciver  )
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        //objOverlay.style.display = 'block';
        var boxSizeWidth = 540;
        var boxSizeHeight = 313;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');

      document.getElementById('reciver_mail').innerHTML = reciver;
      document.getElementById('NodeID').value = nodeID;
      document.getElementById('reciver_mailto').innerHTML = reciver;

        objLightbox.innerHTML = $(contentID).innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('overlay'),false);
        show($('login-form-lbox'),false);
}


function showLightBoxGroupMail( contentID, nodeID  )
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        //objOverlay.style.display = 'block';
        var boxSizeWidth = 540;
        var boxSizeHeight = 313;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');


      document.getElementById('GroupMemNodeID').value = nodeID;


        objLightbox.innerHTML = $(contentID).innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('overlay'),false);
        show($('login-form-lbox'),false);
}



function showLoginBox()
{
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
        //objOverlay.style.display = 'block';
        var boxSizeWidth = 250;
        var boxSizeHeight = 150;
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - boxSizeHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - boxSizeWidth) / 2);

	var objLightbox = document.getElementById('login-form-lbox');

        objLightbox.innerHTML = $('login-form-lbox-content').innerHTML;

	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.width = boxSizeWidth + 'px' ;
        show($('overlay'),false);
        show($('login-form-lbox'),false);
}
function hideLoginBox()
{
        hide($('overlay'));
        hide($('login-form-lbox'));
}

function hideLoginBoxMail()
{
        hide($('overlay'));
        hide($('login-form-lbox'));
        $('login-form-lbox').innerHTML = "";
}


function fixPNG(element)
{
  if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
  {
    var src;
    if (element.tagName=='IMG')
    {
      if (/\.png$/.test(element.src))
      {
        src = element.src;
        element.src = "/blank.gif";
      }
    }
    else
    {
      src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i);
      if (src)
      {
        src = src[1];
        element.runtimeStyle.backgroundImage="none";
      }
    }
    if (src)
    {
        element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
    }


  }

}