//

//	Set-up the popup span

//	at preferred position top-left.

//	with an up and down span to hold the scroll images

//	default to scrolling off.

//	default to hidden

//

function _popupInit(popup, up_span, down_span)

{

	popup.preferred_x = 0;

	popup.preferred_y = 0;



	popup.scrolling_y = false;



	popup.up_span = up_span;

	popup.down_span = down_span;



	popup.up_img = popup.up_span.document.images[0];

	popup.down_img = popup.down_span.document.images[0];



	_popupHide(popup);

}



function _popupShow(popup)

{

    if (is.ie)

	{

	}

	else if (is.ns)

	{

	}



	_spanShow(popup);

}



function _popupHide(popup)

{

	_popupScrollStop_y(popup);



	_spanHide(popup.up_span);

	_spanHide(popup.down_span);

//	_spanHideClear(popup);

	_spanHide(popup);

}



function _popupScrollShowControls_y(popup)

{

	if (is.ie)

    {

/***

		if (_spanGetClip(popup, "t") == 0)

		{

			_spanHide(popup.up_span);

		}

		else

		{

			_spanShow(popup.up_span);

		}



		if (_spanGetClip(popup, "b") >= 500) //popup.document.height )

		{

			_spanHide(popup.down_span);

		}

		else

		{

			_spanShow(popup.down_span);

		}

***/

	}

	else if (is.ns)

	{

		if (popup.clip.top <= 0)

		{

			_spanHide(popup.up_span);

		}

		else

		{

			_spanShow(popup.up_span);

		}



		if (popup.clip.bottom >= popup.document.height)

		{

			_spanHide(popup.down_span);

		}

		else

		{

			_spanShow(popup.down_span);

		}

	}

}



function _popupScrollPostitionControls_y(popup)

{

	_spanHide(popup.up_span);

	_spanHide(popup.down_span);



	if (is.ie)

    {

		if (popup.style.clip == '')

		{

			popup.up_span.style.pixelLeft = popup.style.pixelLeft + popup.offsetWidth - popup.up_span.offsetWidth;

			popup.up_span.style.pixelTop = popup.style.pixelTop;

			popup.down_span.style.pixelLeft = popup.style.pixelLeft + popup.offsetWidth - popup.down_span.offsetWidth;

			popup.down_span.style.pixelTop = popup.style.pixelTop + popup.offsetHeight - popup.down_span.offsetHeight;

		}

	}

	else if (is.ns)

	{

		popup.up_span.left = popup.left + popup.clip.width - popup.up_span.clip.width;

		popup.up_span.top = popup.top + popup.clip.top;



		popup.down_span.left = popup.left + popup.clip.width - popup.down_span.clip.width;

		popup.down_span.top = popup.top + popup.clip.top + popup.clip.height - popup.up_span.clip.width;



	}

	_popupScrollShowControls_y(popup);

}



function _popupScrollStart_y(popup, y)

{

	popup.scrolling_y = true;



	if (y < 0)

		popup.up_img.src='img/butTd.gif';

	else

		popup.down_img.src='img/butBd.gif';



	_popupScroll_y(popup, y);

}



function _popupScrollStop_y(popup)

{

	popup.scrolling_y = false;



	popup.up_img.src='img/butTu.gif';

	popup.down_img.src='img/butBu.gif';

}



function _popupScroll_y(popup, delta_y)

{

	if (popup.scrolling_y)

	{

	    if (is.ie)

	    {

			_spanSetClipDelta(popup, "t", delta_y);



		}

		else if (is.ns)

		{

			if (popup.clip.top + delta_y < 0)

			{

				delta_y = - popup.clip.top;

			}

			if (popup.clip.bottom + delta_y > popup.document.height)

			{

				delta_y = popup.document.height - popup.clip.bottom;

			}

			popup.clip.top = popup.clip.top + delta_y;

			popup.clip.bottom = popup.clip.bottom + delta_y;





			popup.top = popup.top - delta_y;



			_popupScrollPostitionControls_y(popup);



			if (popup.clip.bottom < popup.document.height &&

				popup.clip.top > 0)

			{

				setTimeout("_popupScroll_y(document.layers['"+popup.id+"'], "+delta_y+")", 60);

			}

		}

	}

}



///////////////////////////////////////////////////////////////////////////////////////////////////////



function _popupActivate(popup, e, url)

{

    if (is.ie)

    {

		popup.innerHTML='<TABLE bgcolor="#FF7777"><TR><TD>Loading ...</TD></TR></TABLE>';



		window.document.frames['IE_urlLoader'].location.href = url;



		popup.preferred_x = IE_absoluteX(window.event.srcElement);

		popup.preferred_y = IE_absoluteY(window.event.srcElement);



	}

	else if (is.ns)

	{

		popup.src=url;

		popup.preferred_x = e.target.x;

		popup.preferred_y = e.target.y;

    }



	_popupMovePreferred(popup);

}



function _popupMovePreferred(popup)

{

	x = popup.preferred_x;

	y = popup.preferred_y;



	_spanClearClip(popup);



    if (is.ie)

    {

/*

		if ( (x +span.clientWidth) > (document.body.clientWidth + document.body.scrollLeft) )

		{

            x = (document.body.clientWidth + document.body.scrollLeft) - span.clientWidth;

		}

		if (x < 0) x=0;



		if ( (y +span.clientHeight) > (document.body.clientHeight + document.body.scrollTop) )

		{

            y = (document.body.clientHeight + document.body.scrollTop) - span.clientHeight;

		}

		if (y < 0) y=0;



//alert("dw1:"+popup.style.pixelWidth);

//alert("w 1:"+popup.clientWidth);

//alert("w 1:"+popup.style.clip);

*/

//		_spanSetClip(popup, 500,500,1000,1000);



//popup.body.style.clip="rect(1cm 2cm 300cm 300cm)";

//alert("popup.style.clip: "+popup.style.clip);

//var clipv = span.clip.split("rect(")[1].split(")")[0].split("px");



/*		var t = return Number(clipv[0]);

		var r = return Number(clipv[1]);

		var b = return Number(clipv[2]);

		var l = return Number(clipv[3]);

		var h = return Number(clipv[2])-Number(clipv[0]);

		var w = return Number(clipv[3])-Number(clipv[1]);

*/



	}

	else if (is.ns)

	{

/*

        if ( (x + popup.clip.width) > (window.pageXOffset + window.innerWidth) )

            x = window.pageXOffset + window.innerWidth - popup.clip.width;

		if (x < 0) x=0;



        if ( (y + popup.clip.height) > (window.pageYOffset + window.innerHeight) )

	        y = window.pageYOffset + window.innerHeight - popup.clip.height;

		if (y < 0) y=0;

 */



//        if ( (y + popup.document.height) > (window.pageYOffset + window.innerHeight) )

//	        y = window.pageYOffset + window.innerHeight - popup.document.height;

//		if (y < 0) y=0;



		popup.clip.width = popup.document.width;



		if ( (y+popup.document.height) > (window.pageYOffset + window.innerHeight))

		{

			popup.clip.height = window.innerHeight - (y - window.pageYOffset);

		}

		else

		{

			popup.clip.height = popup.document.height;

		}

    }



	_spanMove(popup, x, y);

    _spanShow(popup);

	_popupScrollPostitionControls_y(popup);

}



function _popup_onLoad(span_name)

{

    if (is.ie)

    {

		var popup = document.all[span_name];

//		if (popup.style.visibility=='visible')

		{

			popup.innerHTML=window.document.frames['IE_urlLoader'].document.body.innerHTML;

			_popupMovePreferred(popup);

		}

	}

    else if (is.ns)

    {

		_popupMovePreferred(document.layers[span_name]);

    }

}